Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7139491 | Laser oscillator, optical communication method and system | Etsu Hashimoto, Kenichi Suzuki | 2006-11-21 |
| 7050723 | Laser oscillator, optical communication method and system | Etsu Hashimoto, Kenichi Suzuki | 2006-05-23 |
| 7023887 | Method and system for controlling optical wavelength based on optical frequency pulling | Wataru Imajuku | 2006-04-04 |
| 6909732 | Method and apparatus for controlling optical wavelength based on optical frequency pulling | Wataru Imajuku | 2005-06-21 |
| 6695471 | Method and apparatus for measuring temperature of movable object | Etsu Hashimoto, Tetsuo Abe, Yoshio Suzuki | 2004-02-24 |
| 6475557 | Method for manufacturing optical filter | Kunihiko Mori | 2002-11-05 |
| 6370169 | Method and apparatus for controlling optical wavelength based on optical frequency pulling | Wataru Imajuku | 2002-04-09 |
| 6359724 | Light generation method and light source | Shinji Nagaoka, Fumikazu Ohira, Ken Suzuki, Masamichi Fujiwara, Noboru Takachio | 2002-03-19 |
| 6157025 | Disk shaped tunable optical filter | Yoshiaki Tachikawa, Shinji Nagaoka, Fumikazu Ohira, Kazuo Aida, Ken Suzuki +3 more | 2000-12-05 |
| 5504722 | Magneto-optic information storage system utilizing a TE/TM mode controlling laser diode | Hidenao Tanaka, Akinori Watabe, Junichi Shimada, Yoshio Suzuki | 1996-04-02 |
| 5497390 | Polarization mode switching semiconductor laser apparatus | Hidenao Tanaka, Akinori Watabe, Junichi Shimada, Yoshio Suzuki | 1996-03-05 |
| 4860276 | Micro optical head with an optically switched laser diode | Hiroo Ukita, Renshi Sawada, Yuuji Uenishi, Yoshihiro Isomura, Tomoyuki Toshima +1 more | 1989-08-22 |