TO

Tetsuro Oya

MI Minolta: 4 patents #411 of 1,109Top 40%
MK Minolta Camera Kk: 1 patents #8 of 27Top 30%
Overall (All Time): #1,062,180 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4933697 Camera Kunio Kawamura, Toshihiko Taniguchi, Masatake Niwa, Masaaki Nakai, Akihiko Fujino 1990-06-12
4853726 Camera Kunio Kawamura, Toshihiko Taniguchi, Masatake Niwa, Masaaki Nakai, Akihiko Fujino 1989-08-01
4692010 Depth-of-field preview apparatus for a single lens reflex camera Akira Kataoka, Yasuo Hawai, Hidehiko Fujii, Akihiko Fujino 1987-09-08
4375323 Waterproof housing for camera Tetsuhiko Inagaki, Takashi Iwata, Toshinori Imura 1983-03-01
4349266 Lens cap for a camera Keisuke Maeda, Keiji Takechi 1982-09-14