Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7239598 | Objective lens for optical pick-up | Koichi Maruyama | 2007-07-03 |
| 7224662 | Objective lens for optical pickup | Shuichi Takeuchi, Koichi Maruyama | 2007-05-29 |
| 7075691 | Complex lens for a tandem scanning optical system and a manufacturing method thereof | Junji Kamikubo | 2006-07-11 |
| 7042608 | Scanning optical system | Shuichi Takeuchi | 2006-05-09 |
| 7038862 | Objective lens for optical pick-up | Koichi Maruyama | 2006-05-02 |
| 7035193 | Objective lens for optical disc | Shuichi Takeuchi, Koichi Maruyama | 2006-04-25 |
| 7023596 | Scanning optical system | — | 2006-04-04 |
| 7019768 | Scanning optical system | Shuichi Takeuchi | 2006-03-28 |
| 6982838 | Objective lens for optical pick-up | Koichi Maruyama | 2006-01-03 |
| 6977781 | Scanning optical system | Shuichi Takeuchi | 2005-12-20 |
| 6958839 | Scanning optical system | — | 2005-10-25 |
| 6956686 | Scanning optical system | — | 2005-10-18 |
| 6937374 | Scanning optical system | Takashi Iizuka | 2005-08-30 |
| 6906824 | Tandem type printer scanning optical system having diffraction lens structure | Junji Kamikubo | 2005-06-14 |
| 6900949 | Optical system of optical pick-up | Shuichi Takeuchi, Koichi Maruyama | 2005-05-31 |
| 6822800 | Objective lens for optical pickup | Koichi Maruyama | 2004-11-23 |
| 6790389 | Complex lens for a tandem scanning optical system and a manufacturing method thereof | Junji Kamikubo | 2004-09-14 |
| 6777667 | Scanning optical system | — | 2004-08-17 |
| 6771406 | Scanning optical system | Takashi Iizuka | 2004-08-03 |
| 6734890 | Scanning optical system | Shuichi Takeuchi | 2004-05-11 |
| 6731419 | Scanning optical system | — | 2004-05-04 |
| 6667821 | Two-wavelength compatible scanning lens | — | 2003-12-23 |
| 6522476 | Three-group zoom lens | — | 2003-02-18 |
| 6396627 | Stereoscopic microscope including zoom and relay optical systems | Satoru Tachihara, Chinari Tanaka, Tetsuya Nakamura, Nobutaka Minefuji, Takaomi Sekiya +1 more | 2002-05-28 |
| 6384968 | Microscope with illuminating optical system | Eiichi Ito, Satoru Tachihara | 2002-05-07 |