Yasumasa Tomori

PE Pentax: 4 patents #3 of 50Top 6%

📍 Sakado, JP: #2 of 16 inventorsTop 15%

Overall (1982): #1,403 of 81,411Top 2%

Patents 1982

Issued Patents 1982

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4359276	Interchangeable lens barrel	—	1982-11-16
4333712	Change-over device for zoom lens	—	1982-06-08
4324457	Macro photographic change-over device for zoom lens barrel	—	1982-04-13
4309077	Lens barrel capable of automatic and manual focalizing operations	—	1982-01-05