Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087935 | Active external distance measuring system having an optical device in the light projection and light receiving paths to reduce parallax | Youichi Iwasaki, Sadahiko Tsuji | 1992-02-11 |
| 5060001 | Optical apparatus | — | 1991-10-22 |
| 5031049 | Automatic object image follow-up device | Masamichi Toyama, Youichi Iwasaki, Akihiro Fujiwara, Takashi Amikura, Masahiro Takei | 1991-07-09 |
| 5027147 | Optical equipment with lens position control utilizing zoom and focusing motors for focusing | — | 1991-06-25 |
| 5005956 | Lens position control device | Hiroyuki Wada, Masahide Hirasawa, Hirofumi Suda | 1991-04-09 |
| 4975724 | Lens position control device | Masahide Hirasawa, Hiroyuki Wada, Hirofumi Suda | 1990-12-04 |
| 4950054 | Lens position control device | Hiroyuki Wada, Masahide Hirasawa, Hirofumi Suda | 1990-08-21 |
| 4920369 | Lens position control device | Hiroyuki Wada, Masahide Hirasawa, Hirofumi Suda | 1990-04-24 |
| 4762986 | Automatic focussing system including in-focus position prediction means | Hirofumi Suda, Susumu Kozuki | 1988-08-09 |
| 4758082 | Distance detection apparatus | Susumu Kozuki, Masamichi Toyama, Akihiro Fujiwara, Youichi Iwasaki, Koji Takahashi +2 more | 1988-07-19 |
| 4752711 | Vibration wave motor | Takayuki Tsukimoto, Ichiro Okumura, Kazuhiro Izukawa, Takuo Okuno, Hiroyuki Seki +2 more | 1988-06-21 |
| 4692650 | Vibration wave motor | Ichiro Okumura, Takayuki Tsukimoto, Takuo Okuno, Kazuhiro Izukawa, Hiroyuki Seki +2 more | 1987-09-08 |
| 4692651 | Vibration wave motor | Akira Hiramatsu, Hitoshi Mukohjima, Takuo Okuno, Hiroyuki Seki, Takayuki Tsukimoto +2 more | 1987-09-08 |
| 4682886 | Distance measuring device | Masamichi Toyama, Kazuo Fujibayashi | 1987-07-28 |
| 4623237 | Automatic focusing device | Youichi Iwasaki, Masamichi Tohyama | 1986-11-18 |
| 4621917 | Automatic focusing adjustment device | — | 1986-11-11 |
| 4592638 | Automatic focus adjusting device | Kazuya Matsuda | 1986-06-03 |
| 4591919 | Automatic focus control system and camera using same | Masamichi Toyama, Susumu Kozuki, Yutaka Kohtani, Akihiro Fujiwara | 1986-05-27 |
| 4581653 | Image pick-up device | — | 1986-04-08 |
| 4566773 | Focus detecting device | — | 1986-01-28 |
| 4484099 | Piezoelectric vibration wave motor with multiple traveling wave generating members | Tohru Kawai, Makoto Katsuma, Hiroyasu Murakami, Akira Hiramatsu | 1984-11-20 |