Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244202 | Sheet feeding apparatus | Kenichi Kataoka | 1993-09-14 |
| 5192890 | Vibration driven actuator | Atsushi Kimura, Hiroyuki Seki | 1993-03-09 |
| 5176376 | Vibration sheet feeder | Masahiko Igaki, Kenichi Kataoka, Koji Kitani, Hiroyuki Seki, Eiichi Yanagi | 1993-01-05 |
| 5170217 | Object measuring apparatus using lightwave interference | Masaru Ohtsuka, Satoshi Haya | 1992-12-08 |
| 5140214 | Vibration wave driven apparatus | Atsushi Kimura, Hiroyuki Seki | 1992-08-18 |
| 5085423 | Sheet feeding device | Masahiko Igaki, Kenichi Kataoka, Naruto Sugimoto, Hiroyuki Seki, Atsushi Kimura | 1992-02-04 |
| 5065999 | Sheet feeding device utilizing vibration waves | Kenichi Kataoka, Masahiko Igaki, Eiichi Yanagi | 1991-11-19 |
| 5062622 | Vibratory sheet feeder which uses phase adjustment to control the sheet feeding speed | Kenichi Kataoka, Masahiko Igaki | 1991-11-05 |
| 4830498 | Position detecting device | Masahiko Okunuki, Takao Kariya, Yasuo Kawai, Akio Atsuta | 1989-05-16 |
| 4783152 | Variable focal length lens | — | 1988-11-08 |
| 4758070 | Variable focal length lens | — | 1988-07-19 |
| 4569039 | Optical information output device | Ichiro Okumura | 1986-02-04 |
| 4564267 | Variable-focal-length lens | — | 1986-01-14 |
| 4466703 | Variable-focal-length lens using an electrooptic effect | — | 1984-08-21 |