A-share listed companies invention patent authorization quality statistics table
Time interval
1990-2021.12.31
Field display
| A-share listed companies’ invention patent authorization quality statistical table fields |
|---|
| Securities code |
| Patent grant year |
| Company name |
| Relationship with listed companies |
| Number of patent authorizations |
| Technical complexity of authorized patents - total number of types based on classification number_parts |
| Technical complexity of authorized patents - average number of types based on classification number_parts |
| Technical complexity of authorized patents - total number of types based on classification number_major categories |
| Technical complexity of authorized patents - average number of categories based on classification number_major categories |
| Technical complexity of authorized patents - total number of types calculated by classification number_subclass |
| Technical complexity of authorized patents - average number of types calculated by classification number_subclass |
| Number of independent patent authorizations |
| Technical complexity of independently authorized patents - total number of types based on classification number_parts |
| Technical complexity of independently authorized patents - average number of types based on classification number_parts |
| Technical complexity of independently authorized patents - total number of types based on classification number_major categories |
| Technical complexity of independently authorized patents - average number of categories based on classification number_major categories |
| Technical complexity of independently authorized patents - counting the total number of types by classification number_subclass |
| Technical complexity of independently authorized patents - average number of types calculated by classification number_subclass |
| Number of cooperation patents granted |
| Technical complexity of cooperatively authorized patents - total number of types calculated by classification number_part |
| Technical complexity of cooperatively authorized patents - average number of types based on classification number_parts |
| Technical complexity of cooperatively authorized patents - total number of types calculated by classification number_major category |
| Technical complexity of cooperatively authorized patents - average number of categories based on classification number_major categories |
| Technical complexity of cooperatively authorized patents - total number of types calculated by classification number_subclass |
| Technical complexity of cooperatively authorized patents - average number of types based on classification number_subcategory |
| Number of citations in patent disclosure year |
| The cumulative number of citations in the two years since patent disclosure |
| The cumulative number of citations in the three years since patent disclosure |
| The cumulative number of citations in the past 4 years of patent disclosure |
| The cumulative number of citations in the past five years after patent disclosure |
| Number of patent citations as of 2021.12 |
| Disclose the number of citations of independently authorized patents in the year |
| The cumulative number of citations in independently authorized patents published in 2 years |
| The cumulative number of citations of independent authorized patents in the past three years |
| The cumulative number of citations in independently authorized patents published over the past 4 years |
| The cumulative number of citations of independently authorized patents in the past five years |
| Number of citations for independently authorized patents as of 2021.12 |
| Disclosure of the number of citations of cooperatively authorized patents in the year |
| The cumulative number of citations in the two years of cooperatively authorized patent disclosure |
| The cumulative number of citations of cooperatively authorized patents in the past three years |
| The cumulative number of citations in the 4 years of cooperatively authorized patent disclosure |
| The cumulative number of citations in the five years of cooperatively authorized patent disclosure |
| Number of citations for cooperatively authorized patents as of 2021.12 |
Sample data
Statistical table of invention patent authorization quality of A-share listed companies
| Securities code | Patent grant year | Company name | Relationship with listed companies | Number of patents granted | Technical complexity of authorized patents - total number of types calculated by classification number_part | Technical complexity of authorized patents - average number of types based on classification number_part | Technical complexity of authorized patents - total number of types based on classification number_major categories | Technical complexity of authorized patents - average number of categories based on classification number_major categories | Technical complexity of authorized patents - total number of types calculated by classification number_subclass | Technical complexity of authorized patents - average number of types calculated by classification number_subclass | Number of independent patents granted | Technical complexity of independently authorized patents - total number of types calculated by classification number_part | Technical complexity of independently authorized patents - average number of types based on classification number_parts | Technical complexity of independently authorized patents - total number of types based on classification number_major categories | Technical complexity of independently authorized patents - average number of types based on classification number_major categories | Technical complexity of independently authorized patents - total number of types calculated by classification number_subclass | Technical complexity of independently authorized patents - average number of types calculated by classification number_subclass | Number of cooperative patents granted | Technical complexity of cooperatively authorized patents - total number of types calculated by classification number_part | Technical complexity of cooperatively authorized patents - average number of types based on classification number_part | Technical complexity of cooperatively authorized patents - total number of types calculated by classification number_major category | Technical complexity of cooperatively authorized patents - average number of categories based on classification number_major categories | Technical complexity of cooperatively authorized patents - counting the total number of types by classification number_subclass | Technical complexity of cooperatively authorized patents - average number of types calculated by classification number_subclass | Number of citations in the year the patent was published | The cumulative number of citations in the two years since patent disclosure | The cumulative number of citations in the three years since patent disclosure | Cumulative number of citations over the past 4 years of patent disclosure | Cumulative number of citations in the past 5 years after patent disclosure | Number of patent citations as of 2021.12 | Independently authorized patents disclose the number of citations in the year | The cumulative number of citations in independently authorized patents published in 2 years | The cumulative number of citations in independent authorized patents published in 3 years | The cumulative number of citations in the four years since independently authorized patents were published | The cumulative number of citations of independently authorized patents in the past five years | Number of citations of independently authorized patents as of 2021.12 | The number of citations of cooperatively authorized patents in the year | The cumulative number of citations in the two years of cooperatively authorized patent disclosure | The cumulative number of citations of cooperatively authorized patents in the past three years | The cumulative number of citations in the 4 years of cooperatively authorized patent disclosure | The cumulative number of citations of cooperatively authorized patents in the past five years | Number of citations for cooperatively authorized patents as of 2021.12 |
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| 000731 | 2005 | Sichuan Meifeng Chemical Co., Ltd. | All listed companies | 2 | 1 | 1 | 2 | 1 | 3 | 1.5 | 2 | 1 | 1 | 2 | 1 | 3 | 1.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2005 | Sichuan Meifeng Chemical Co., Ltd. | Subsidiaries of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2005 | Sichuan Meifeng Chemical Co., Ltd. | Parent company of listed company | 2 | 1 | 1 | 2 | 1 | 3 | 1.5 | 2 | 1 | 1 | 2 | 1 | 3 | 1.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2005 | Sichuan Meifeng Chemical Co., Ltd. | Associates/joint ventures of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2009 | Sichuan Meifeng Chemical Co., Ltd. | All listed companies | 2 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 2 | 1 | 2 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2009 | Sichuan Meifeng Chemical Co., Ltd. | Subsidiaries of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2009 | Sichuan Meifeng Chemical Co., Ltd. | Parent company of listed company | 2 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 2 | 1 | 2 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2009 | Sichuan Meifeng Chemical Co., Ltd. | Associates/joint ventures of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2010 | Sichuan Meifeng Chemical Co., Ltd. | All listed companies | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2010 | Sichuan Meifeng Chemical Co., Ltd. | Subsidiaries of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2010 | Sichuan Meifeng Chemical Co., Ltd. | Parent company of listed company | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2010 | Sichuan Meifeng Chemical Co., Ltd. | Associates/joint ventures of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2011 | Sichuan Meifeng Chemical Co., Ltd. | All listed companies | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2011 | Sichuan Meifeng Chemical Co., Ltd. | Subsidiaries of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2011 | Sichuan Meifeng Chemical Co., Ltd. | Parent company of listed company | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2011 | Sichuan Meifeng Chemical Co., Ltd. | Associates/joint ventures of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2013 | Sichuan Meifeng Chemical Co., Ltd. | All listed companies | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 4 | 4 | 0 | 1 | 1 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2013 | Sichuan Meifeng Chemical Co., Ltd. | Subsidiaries of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2013 | Sichuan Meifeng Chemical Co., Ltd. | Parent company of listed company | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 4 | 4 | 0 | 1 | 1 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2013 | Sichuan Meifeng Chemical Co., Ltd. | Associates/joint ventures of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2014 | Sichuan Meifeng Chemical Co., Ltd. | All listed companies | 5 | 2 | 1 | 4 | 1.2 | 5 | 1.4 | 5 | 2 | 1 | 4 | 1.2 | 5 | 1.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 8 | 8 | 12 | 14 | 16 | 6 | 8 | 8 | 12 | 14 | 16 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2014 | Sichuan Meifeng Chemical Co., Ltd. | Subsidiaries of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2014 | Sichuan Meifeng Chemical Co., Ltd. | Parent company of listed company | 5 | 2 | 1 | 4 | 1.2 | 5 | 1.4 | 5 | 2 | 1 | 4 | 1.2 | 5 | 1.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 8 | 8 | 12 | 14 | 16 | 6 | 8 | 8 | 12 | 14 | 16 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2014 | Sichuan Meifeng Chemical Co., Ltd. | Associates/joint ventures of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2016 | Sichuan Meifeng Chemical Co., Ltd. | All listed companies | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2016 | Sichuan Meifeng Chemical Co., Ltd. | Subsidiaries of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2016 | Sichuan Meifeng Chemical Co., Ltd. | Parent company of listed company | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2016 | Sichuan Meifeng Chemical Co., Ltd. | Associates/joint ventures of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2017 | Sichuan Meifeng Chemical Co., Ltd. | All listed companies | 3 | 2 | 1 | 3 | 1 | 3 | 1 | 3 | 2 | 1 | 3 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 5 | 6 | 6 | 3 | 3 | 3 | 5 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2017 | Sichuan Meifeng Chemical Co., Ltd. | Subsidiaries of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2017 | Sichuan Meifeng Chemical Co., Ltd. | Parent company of listed company | 3 | 2 | 1 | 3 | 1 | 3 | 1 | 3 | 2 | 1 | 3 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 5 | 6 | 6 | 3 | 3 | 3 | 5 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2017 | Sichuan Meifeng Chemical Co., Ltd. | Associates/joint ventures of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2018 | Sichuan Meifeng Chemical Co., Ltd. | All listed companies | 2 | 1 | 1 | 1 | 1 | 2 | 1.5 | 2 | 1 | 1 | 1 | 1 | 2 | 1.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2018 | Sichuan Meifeng Chemical Co., Ltd. | Subsidiaries of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2018 | Sichuan Meifeng Chemical Co., Ltd. | Parent company of listed company | 2 | 1 | 1 | 1 | 1 | 2 | 1.5 | 2 | 1 | 1 | 1 | 1 | 2 | 1.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2018 | Sichuan Meifeng Chemical Co., Ltd. | Associates/joint ventures of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2020 | Sichuan Meifeng Chemical Co., Ltd. | All listed companies | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 |
| 000731 | 2020 | Sichuan Meifeng Chemical Co., Ltd. | Subsidiaries of listed companies | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 000731 | 2020 | Sichuan Meifeng Chemical Co., Ltd. | Parent company of listed company | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 |
Data update frequency
Annual Update