Loading...

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
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