Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8730386 | Imaging apparatus including metal main frame as assembly basis | Koji Yasuda, Masanao Wakikawa | 2014-05-20 |
| 8294816 | Imaging apparatus containing lens mount without mirror box | Koji Yasuda, Masanao Wakikawa | 2012-10-23 |
| 6339510 | Camera having a varifocal lens | Nobuyuki Taniguchi, Masaaki Nakai, Takanobu Omaki, Tokuji Ishida, Hisayuki Masumoto +1 more | 2002-01-15 |
| 6018631 | Camera having a varifocal lens | Nobuyuki Taniguchi, Masaaki Nakai, Takanobu Omaki, Tokuji Ishida, Hisayuki Masumoto +1 more | 2000-01-25 |
| 5640223 | Camera having a varifocal lens | Nobuyuki Taniguchi, Masaaki Nakai, Takanobu Omaki, Tokuji Ishida, Hisayuki Masumoto +1 more | 1997-06-17 |
| 5369460 | Camera having a varifocal lens | Nobuyuki Taniguchi, Masaaki Nakai, Takanobu Omaki, Tokuji Ishida, Hisayuki Masumoto +1 more | 1994-11-29 |
| 5274414 | Camera having a varifocal lens | Nobuyuki Taniguchi, Masaaki Nakai, Takanobu Omaki, Tokuji Ishida, Hisayuki Masumoto +1 more | 1993-12-28 |
| 4864341 | Mount arrangement and interchangeable lens unit for photographic camera | Yukio Maekawa, Masatake Niwa | 1989-09-05 |
| 4748467 | Mount arrangement and interchangeable lens unit for photographic camera | Yukio Maekawa, Masatake Niwa | 1988-05-31 |
| 4717933 | Exchangeable lens for use in a focus detecting device | Makoto Ando, Toshihiko Ishimura | 1988-01-05 |
| 4682871 | Aperture value information switchable lens barrel | — | 1987-07-28 |
| 4620780 | Mount arrangement and interchangeable lens unit for photographic camera | Yukio Maekawa, Masatake Niwa | 1986-11-04 |
| 4589751 | Attachment device for interchangeable optical device | — | 1986-05-20 |
| 4553817 | Automatic and manual focusing exchangeable lens assembly | Makoto Ando, Yukio Miki, Takeshi Egawa | 1985-11-19 |
| 4536071 | Mount arrangement and interchangeable lens unit for photographic camera | Yukio Maekawa, Masatake Niwa | 1985-08-20 |
| 4525037 | Objective lens assembly of variable focal length having a diaphragm mechanism with adjustable aperture | — | 1985-06-25 |
| 4483603 | Automatic focusing arrangement for changing the focus driving direction in accordance with the type of interchangeable optical unit | Yukio Maekawa, Makoto Ando | 1984-11-20 |
| 4344688 | Interchangeable lens assembly | — | 1982-08-17 |