Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999485 | Semiconductor optical device | — | 2006-02-14 |
| 6993213 | Semiconductor optical waveguide device including s-shaped waveguides | — | 2006-01-31 |
| 6845205 | Semiconductor optical device | — | 2005-01-18 |
| 6778751 | Optical modulator and photonic semiconductor device | Hitoshi Tada | 2004-08-17 |
| 6777718 | Semiconductor optical device | — | 2004-08-17 |
| 6760141 | Semiconductor optical modulator and semiconductor optical device | — | 2004-07-06 |
| 6667529 | Semiconductor device | — | 2003-12-23 |
| 6623670 | Method of molding a transparent coating member for light-emitting diodes | Masutsugu Tasaki, Akira Ichikawa, Tsutomu Odaki | 2003-09-23 |
| 6542525 | Light modulator and integrated semiconductor laser-light modulator | Keisuke Matsumoto | 2003-04-01 |
| 6521915 | Light-emitting diode device | Tsutomu Odaki, Masutsugu Tasaki, Akira Ichikawa, Kazuaki Hashimoto | 2003-02-18 |
| 6455338 | Method of manufacturing an integrated semiconductor laser-modulator device | Hitoshi Tada, Tohru Takiguchi | 2002-09-24 |
| 6396854 | Encased semiconductor laser device in contact with a fluid and method of producing the laser device | — | 2002-05-28 |
| 6391233 | Method of producing a porous product | Kunihiko Otani, Mizuho Maeda, Hideo Takamatsu, Masashi Nemoto | 2002-05-21 |
| 6319425 | Transparent coating member for light-emitting diodes and a fluorescent color light source | Masutsugu Tasaki, Akira Ichikawa, Tsutomu Odaki | 2001-11-20 |
| 6277663 | Method of producing semiconductor laser diode | Keisuke Matsumoto, Tohru Takiguchi | 2001-08-21 |
| 6226310 | Semiconductor optical device | Hitoshi Tada | 2001-05-01 |
| 6198854 | Mach-Zehnder modulator | — | 2001-03-06 |
| 6115169 | Semiconductor optical modulator and integrated optical circuit device | Syoichi Kakimoto | 2000-09-05 |
| 6021148 | Semiconductor laser device | Keisuke Matsumoto, Eitaro Ishimura | 2000-02-01 |
| 5781578 | Optical semiconductor device | — | 1998-07-14 |
| 5751754 | Semiconductor laser including tunnel diode for reducing contact resistance | — | 1998-05-12 |
| 5721752 | Semiconductor laser device | — | 1998-02-24 |
| 5715266 | Semiconductor laser | — | 1998-02-03 |
| 5684816 | Light Interactive semiconductor device including wire connection at internal light distribution maximum | — | 1997-11-04 |
| 5636234 | Semiconductor laser device including heat sink with pn junction | — | 1997-06-03 |