Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7710661 | Optical apparatus | — | 2010-05-04 |
| 7611296 | Optical apparatus including diaphragm device | Shigeru Ogino | 2009-11-03 |
| 7551369 | Lens barrel and optical apparatus | Chifuyu Tomita, Hiroyoshi Inaba, Tomoki Hasegawa | 2009-06-23 |
| 6467975 | Quantity-of-light adjusting device and optical apparatus having the same | Masahiko Tsuzuki, Toshiaki Kawanishi, Hidetomo Tanaka | 2002-10-22 |
| 6350068 | Quantity-of-light adjusting device and optical apparatus having the same | Masahiko Tsuzuki, Toshiaki Kawanishi, Hidetomo Tanaka | 2002-02-26 |
| 6086267 | Quantity-of-light adjusting device using base and blade apertures for light quality control | Masahiko Tsuzuki, Toshiaki Kawanishi, Hidetomo Tanaka | 2000-07-11 |
| 5951250 | Turbine cooling apparatus | Kiyoshi Suenaga, Sunao Aoki, Yoshiaki Tsukuda | 1999-09-14 |
| 5825545 | Image stabilizing device | Yoshiki Kino, Naoya Kaneda, Kazuya Matsuda, Hiroyuki Wada, Tsuneo Takashima +1 more | 1998-10-20 |
| 5446494 | Focus detecting system | Kouichi Ueda, Masamichi Toyama, Hirofumi Suda, Naoya Kaneda | 1995-08-29 |
| 5204749 | Automatic follow-up focus detecting device and automatic follow-up device | Masamichi Toyama, Akihiro Fujiwara, Takashi Amikura, Naoya Kaneda, Masahiro Takei | 1993-04-20 |
| 5173807 | Optical instrument | Naoya Kaneda, Yasuhiro Tamekuni | 1992-12-22 |
| 5109161 | Light emitter and optical system for a distance measuring device | Akihisa Horiuchi | 1992-04-28 |
| 5087935 | Active external distance measuring system having an optical device in the light projection and light receiving paths to reduce parallax | Naoya Kaneda, Sadahiko Tsuji | 1992-02-11 |
| 5041152 | Apparatus for bending tubular glass | Noriaki Nishigaki, Hisao Hosoya, Kazuyuki Tanaka, Morio Tominaga | 1991-08-20 |
| 5031049 | Automatic object image follow-up device | Masamichi Toyama, Akihiro Fujiwara, Takashi Amikura, Naoya Kaneda, Masahiro Takei | 1991-07-09 |
| 4758082 | Distance detection apparatus | Susumu Kozuki, Masamichi Toyama, Akihiro Fujiwara, Naoya Kaneda, Koji Takahashi +2 more | 1988-07-19 |
| 4623237 | Automatic focusing device | Naoya Kaneda, Masamichi Tohyama | 1986-11-18 |