Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7557418 | Semiconductor photoreceptor device | Masaharu Nakaji | 2009-07-07 |
| 7538367 | Avalanche photodiode | Eiji Yagyu, Masaharu Nakaji | 2009-05-26 |
| 7462889 | Avalanche photodiode | Eiji Yagyu, Nobuyuki Tomita, Masaharu Nakaji | 2008-12-09 |
| 7415185 | Buried-waveguide-type light receiving element and manufacturing method thereof | Masaharu Nakaji | 2008-08-19 |
| 7345325 | Avalanche photodiode | Masaharu Nakaji, Eiji Yagyu, Nobuyuki Tomita | 2008-03-18 |
| 7259408 | Avalanche photodiode | Eiji Yagyu, Nobuyuki Tomita, Masaharu Nakaji | 2007-08-21 |
| 7187013 | Avalanche photodiode | Masaharu Nakaji, Eiji Yagyu, Nobuyuki Tomita | 2007-03-06 |
| 7109523 | Package for optical semiconductor device | — | 2006-09-19 |
| 7038251 | Semiconductor device | Masaharu Nakaji, Eiji Yagyu, Nobuyuki Tomita | 2006-05-02 |
| 7030477 | Optical semiconductor device | — | 2006-04-18 |
| 7031587 | Waveguide type photoreceptor device with particular thickness ratio | Masaharu Nakaji | 2006-04-18 |
| 7020375 | Waveguide light detecting element | Masaharu Nakaji | 2006-03-28 |
| 6914706 | Optical modulator | — | 2005-07-05 |
| 6734519 | Waveguide photodiode | Masaharu Nakaji | 2004-05-11 |
| 6617667 | Optical device carrier | Mui Seng Yeo, Yong Kee Yeo, Mahadevan Iyer, Gou Sakaino | 2003-09-09 |
| 6021148 | Semiconductor laser device | Keisuke Matsumoto, Kazuhisa Takagi | 2000-02-01 |
| 5942771 | Semiconductor photodetector | — | 1999-08-24 |
| 5880489 | Semiconductor photodetector | Shinji Funaba | 1999-03-09 |
| 5771257 | Light absorption modulator and integrated semiconductor laser and modulator | Tohru Takiguchi | 1998-06-23 |
| 5717710 | Optical semiconductor device | Yasunori Miyazaki, Tatsuya Kimura | 1998-02-10 |
| 5684307 | Semiconductor photodiode having the electrodes formed on the same surface | — | 1997-11-04 |
| 5602672 | Light modulator module and method for fabricating light modulator module | Yasunori Miyazaki, Minoru Kawano | 1997-02-11 |
| 5528413 | Semiconductor light intensity modulator | — | 1996-06-18 |
| 5521742 | Semiconductor optical modulator | — | 1996-05-28 |
| 5341391 | Variable wavelength semiconductor laser | — | 1994-08-23 |