Issued Patents All Time
Showing 26–50 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6701164 | Mobile communication system with zone-shift control apparatus | Akira Yamaguchi, Yoshio Takeuchi | 2004-03-02 |
| 6643026 | Optical system for oblique incidence interferometer and apparatus using the same | Hideo Kanda, Fumio Kobayashi | 2003-11-04 |
| 6612591 | Multi-function truck | — | 2003-09-02 |
| 6570661 | Optical system for oblique incidence interferometer and apparatus using the same | Hideo Kanda | 2003-05-27 |
| 6507432 | Bright wide-angle infrared lens | — | 2003-01-14 |
| 6464511 | IC socket and IC tester | Satoshi Takeshita | 2002-10-15 |
| 6373134 | Semiconductor device and fabrication method introducing horizontal side-steps into vertical steps | — | 2002-04-16 |
| 6351649 | Mobile communication system | Yoshio Takeuchi, Toshinori Suzuki, Hisato Iwai, Akira Yamaguchi | 2002-02-26 |
| 6216581 | Fluid cylinder assembly | Yoshio Murao, Takanobu Tokushige | 2001-04-17 |
| 6219112 | Illumination optical system and liquid crystal projector apparatus using the same | Kazuya Yoneyama | 2001-04-17 |
| 6091551 | Infrared zoom lens system | — | 2000-07-18 |
| 6002931 | Interworking apparatus for roaming among different mobile networks | Akira Yamaguchi, Masayoshi Ohashi, Yoshihiko Nodera, Toshinori Suzuki | 1999-12-14 |
| 5978456 | Charging unit price determination/information apparatus and communication system having charging unit price information function | Yoshio Takeuchi | 1999-11-02 |
| 5911489 | Optical lighting system | — | 1999-06-15 |
| 5905596 | Telecentric projection lens system | — | 1999-05-18 |
| 5786939 | Illumination optical system | — | 1998-07-28 |
| 5701203 | Astigmatism correcting element | — | 1997-12-23 |
| 5665457 | Printed decorative paper having a three dimensional pattern and a process for the production thereof | Tohru Sato, Yoshimi Yoshida | 1997-09-09 |
| 5512722 | Key switch | Kumio Ozeki, Haruo Yoshida, Osam Kamishima, Yosuke Sakai | 1996-04-30 |
| 5487629 | Cooling and dust collecting apparatus for machine tool | — | 1996-01-30 |
| 5482839 | Automatic immunological measuring system | Yoshihiro Ashihara, Isao Nishizono, Hidetaka Minakawa, Masahisa Okada, Yasusuke Sakurabayashi +1 more | 1996-01-09 |
| 5448026 | Double-axis key switch | Kumio Ozeki, Haruo Yoshida, Yosuke Sakai | 1995-09-05 |
| 5430267 | Keyboard switch | Kumio Ozeki, Haruo Yoshida, Yosuke Sakai | 1995-07-04 |
| 5387261 | Keyboard switch assembly | Kazunori Yamada, Hidemasa Sakurada | 1995-02-07 |
| 5356245 | Cooling and dust collecting apparatus for a machine tool | Masanori Hosoi | 1994-10-18 |