Issued Patents All Time
Showing 26–50 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956808 | Optical device and optical sensor | Shintaro Miyanishi, Kunio Kojima, Hiroshi Fuji | 2005-10-18 |
| 6891201 | Nitride semiconductor laser element and optical device containing it | Yuhzoh Tsuda, Takayuki Yuasa, Shigetoshi Ito, Yukio Yamasaki | 2005-05-10 |
| 6812496 | Group III nitride semiconductor laser device | Kunihiro Takatani, Shigetoshi Ito, Takayuki Yuasa, Kensaku Motoki | 2004-11-02 |
| 6628249 | Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus | Takeshi Kamikawa, Shigetoshi Ito | 2003-09-30 |
| 6618416 | Semiconductor laser | Kunihiro Takatani, Susumu Ohmi | 2003-09-09 |
| 6586777 | Nitride semiconductor light emitting device | Takayuki Yuasa, Atsushi Ogawa, Masahiro Araki, Yoshihiro Ueta, Yuhzoh Tsuda | 2003-07-01 |
| 6518602 | Nitride compound semiconductor light emitting device and method for producing the same | Takayuki Yuasa, Masaya Ishida, Yuhzoh Tsuda | 2003-02-11 |
| 6493367 | Semiconductor laser device and optical information reproduction apparatus | Shigetoshi Ito, Yukio Yamasaki | 2002-12-10 |
| 6455877 | III-N compound semiconductor device | Atsushi Ogawa, Takayuki Yuasa, Yoshihiro Ueta, Yuhzoh Tsuda, Masahiro Araki | 2002-09-24 |
| 6452216 | Nitride semiconductor light emitting device and apparatus including the same | Yuhzoh Tsuda, Takayuki Yuasa, Shigetoshi Ito | 2002-09-17 |
| 5909425 | Optical information reproduction apparatus having a semiconductor laser device light source | Takahiro Suyama, Mitsuhiro Matsumoto | 1999-06-01 |
| 5880028 | Ridge waveguide type distributed feedback semiconductor laser device and method for manufacturing the same | Kei Yamamoto, Takuma Hiramatsu, Koji Takahashi | 1999-03-09 |
| 5838854 | Integrated optical control element and a method for fabricating the same and optical integrated circuit element and optical integrated circuit device using the same | Fumihiro Konushi, Hidenori Kawanishi, Tatsuya Morioka, Atsushi Shimonaka | 1998-11-17 |
| 5815615 | Integrated optical control element and a method for fabricating the same and optical integrated circuit element and optical integrated circuit device using the same | Fumihiro Konushi, Hidenori Kawanishi, Tatsuya Morioka, Atsushi Shimonaka | 1998-09-29 |
| 5727015 | Distributed feedback semiconductor laser | Koji Takahashi, Fumihiro Kounushi | 1998-03-10 |
| 5657307 | Optical data reading apparatus and method | Tatsuya Morioka, Hidenori Kawanishi, Atsushi Shimonaka | 1997-08-12 |
| 5654557 | Quantum wire structure and a method for producing the same | Hiroaki Kudo, Satoshi Sugahara, Haruhisa Takiguchi | 1997-08-05 |
| 5548434 | Spatial light transmission apparatus | Atsushi Shimonaka, Hidenori Kawanishi, Tatsuya Morioka | 1996-08-20 |
| 5539562 | Spatial optical transmission apparatus and method | Tatsuya Morioka, Hidenori Kawanishi, Atsushi Shimonaka | 1996-07-23 |
| 5488678 | Assembly structure for an optical integrated circuit device | Hidenori Kawanishi, Tatsuya Morioka, Atsushi Shimonaka | 1996-01-30 |
| 5477319 | Optical heterodyne detection method and apparatus utilizing a scattered reference beam | Atsushi Shimonaka, Tatsuya Morioka, Hidenori Kawanishi, Haruhisa Takiguchi | 1995-12-19 |
| 5457561 | System for transmitting a beam in the air | Seiki Yano, Haruhisa Takiguchi, Atsushi Shimonaka, Tatsuya Morioka, Hidenori Kawanishi | 1995-10-10 |
| 5448548 | Optical information reading method for reducing laser noise using a semiconductor laser and a driving device for the semiconductor laser | Tatsuya Morioka, Atsushi Shimonaka | 1995-09-05 |
| 5436884 | Optical data reading apparatus and an optical data reading method | — | 1995-07-25 |
| 5361271 | Semiconductor laser | Haruhisa Takiguchi, Kazuhiko Inoguchi, Hiroaki Kudo, Satoshi Sugahara | 1994-11-01 |