Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771203 | Vibration wave motor | Hitoshi Mukohjima, Ichiro Okumura, Takayuki Hirano | 1988-09-13 |
| 4747775 | Skid beam for heating furnaces of walking beam type | Kiyoshi Takagi, Tadashi Naito, Osamu Nakatani, Toshio Inoue, Masamitsu Obashi +2 more | 1988-05-31 |
| 4743791 | Vibration wave motor | — | 1988-05-10 |
| 4720169 | Lens for macro-photography | — | 1988-01-19 |
| 4697891 | Focal length variable lens apparatus | — | 1987-10-06 |
| 4609260 | Automatic focusing apparatus for zoom lens | — | 1986-09-02 |
| 4596454 | Photographic lens barrel assembly | Akiyasu Sumi, Hidefumi Notagashira, Hiroshi Yamamoto | 1986-06-24 |
| 4589753 | Lens mounting having a reversible motor for controlling focusing and aperture setting of a camera | — | 1986-05-20 |
| 4537536 | Process and apparatus of constructing a water tight underground pile wall | Yoshio Tsubonuma | 1985-08-27 |
| 4536057 | Filter mounting mechanism for an optical assembly | Akiyasu Sumi | 1985-08-20 |
| 4514039 | Lens mounting | — | 1985-04-30 |
| 4484099 | Piezoelectric vibration wave motor with multiple traveling wave generating members | Makoto Katsuma, Hiroyasu Murakami, Akira Hiramatsu, Naoya Kaneda | 1984-11-20 |
| 4478491 | Focus presetting mechanism for a camera lens assembly | — | 1984-10-23 |
| 4460253 | Electromagnetically driven diaphragm device | Makoto Masunaga | 1984-07-17 |
| 4458990 | Adjusting mechanism for lens mounting assembly | — | 1984-07-10 |
| 4459001 | Automatic focusing system with interrupt function | Akiyasu Sumi | 1984-07-10 |
| 4422740 | Lens assembly provided with an automatic focusing device | Akiyasu Sumi | 1983-12-27 |
| 4384767 | Clamping device for camera accessory or hood | — | 1983-05-24 |
| 4367931 | Electromagnetically driven diaphragm device | Makoto Masunaga | 1983-01-11 |
| 4320951 | Extension tube for camera | — | 1982-03-23 |