YT

Yasumasa Tomori

PE Pentax: 15 patents #129 of 761Top 20%
📍 Sakado, JP: #15 of 173 inventorsTop 9%
Overall (All Time): #329,116 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
4822153 One-hand zoom lens barrel Tetsuo Sekiguchi 1989-04-18
4627691 Cam grooves for displacing lenses 1986-12-09
4589750 Adapter for connecting single-lens reflex camera lens to video camera Sadao Okudaira, Harumi Aoki, Fumio Urano, Tahei Morisawa 1986-05-20
4523815 Zoom lens barrel for macrofocusing 1985-06-18
4518239 Intermediate adapter for camera 1985-05-21
4443085 Camera with an interchangeable lens Mituhiko Shimoda, Keisuke Haraguchi 1984-04-17
4429973 Compensation for diaphragm control for SLR camera Masahiro Kawasaki, Fumio Urano 1984-02-07
4416526 Interchangeable lens barrel Mituhiko Shimoda 1983-11-22
4413893 Interchangeable lens barrel 1983-11-08
4400075 Automatic focus camera with interchangeable lens Mituhiko Shimoda 1983-08-23
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
4304463 Lens barrel automatic focalization device 1981-12-08