Chairman Yamazaki renews his own GUINNESS WORLD RECORDS™ title
September 2025
Semiconductor Energy Laboratory Co., Ltd.
Semiconductor Energy Laboratory Co., Ltd.
Chairman Yamazaki has renewed his own GUINNESS WORLD RECORDS™ title of "Most patents credited as inventor" with a total of 20,120 patents (as of March 31, 2025).
He began applying for and acquiring patents in 1969 while still a student based on the teachings from his mentor, Dr. Yogoro Kato.
Since achieving the record for the first time in 2004, this marks the third update to the record, following previous updates in 2011 and 2016, finally exceeding twenty thousand.
[GUINNESS WORLD RECORDS™ title achieved by Chairman Yamazaki]
Record title:Most patents credited as inventor
Number of patents:20,120 patents (as of March 31, 2025)
Date of challenge:July 9, 2025
>>Press Release “Dr. Shunpei Yamazaki of Semiconductor Energy Laboratory Co., Ltd. Renews GUINNESS WORLD RECORDS™ Title of ‘Most Patents Credited as Inventor’ with 20,120 Patents”
*GUINNESS WORLD RECORDS™ is a registered trademark of Guinness World Records Ltd.
He began applying for and acquiring patents in 1969 while still a student based on the teachings from his mentor, Dr. Yogoro Kato.
Since achieving the record for the first time in 2004, this marks the third update to the record, following previous updates in 2011 and 2016, finally exceeding twenty thousand.

[GUINNESS WORLD RECORDS™ title achieved by Chairman Yamazaki]
Record title:Most patents credited as inventor
Number of patents:20,120 patents (as of March 31, 2025)
Date of challenge:July 9, 2025
>>Press Release “Dr. Shunpei Yamazaki of Semiconductor Energy Laboratory Co., Ltd. Renews GUINNESS WORLD RECORDS™ Title of ‘Most Patents Credited as Inventor’ with 20,120 Patents”
*GUINNESS WORLD RECORDS™ is a registered trademark of Guinness World Records Ltd.
