Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9529187 | Reflective display device | Atsushi Omote, Takayuki Ishikawa | 2016-12-27 |
| 6933159 | Fabrication method of a semiconductor laser device | Masahiro Kito, Tomoaki Toda, Yoshiaki Nakano | 2005-08-23 |
| 6697392 | Single wavelength laser module | — | 2004-02-24 |
| 6650672 | Semiconductor laser element having excellent light confinement effect and method for producing the semiconductor laser element | Masahiro Kito | 2003-11-18 |
| 6636541 | Semiconductor laser device | Hisashi Nakayama, Masahiro Kito, Yasushi Matsui | 2003-10-21 |
| 6625189 | Semiconductor laser device and fabrication method thereof | Masahiro Kito, Tomoaki Toda, Yoshiaki Nakano | 2003-09-23 |
| 6256331 | Semiconductor laser device, optical communication system using the same, and method for producing compound semiconductor | Masahiro Kitoh, Yasushi Matsui | 2001-07-03 |
| 6151351 | Distributed feedback semiconductor laser and method for producing the same | Masahiro Kito, Nobuyuki Otsuka, Yasushi Matsui, Shinji Nakamura | 2000-11-21 |
| 6110756 | Method for producing semiconductor laser | Nobuyuki Otsuka, Masahiro Kitoh, Yasushi Matsui | 2000-08-29 |
| 6107112 | Distributed feedback semiconductor laser and method for producing the same | Masahiro Kito, Nobuyuki Otsuka, Yasushi Matsui, Shinji Nakamura | 2000-08-22 |
| 6104738 | Semiconductor laser and process for producing the same | Masahiro Kitoh, Nobuyuki Otsuka, Yasushi Matsui, Yuichi Inaba | 2000-08-15 |
| 5960257 | Method distributed feedback semiconductor laser for fabricating | Masahiro Kitoh, Nobuyuki Otsuka, Yasushi Matsui | 1999-09-28 |
| 5856207 | Method for producing a semiconductor laser | Nobuyuki Otsuka, Masahiro Kitoh, Yasushi Matsui | 1999-01-05 |
| 5793788 | Semiconductor light emitting element with p-type non-alloy electrode including a platinum layer and method for fabricating the same | Yuichi Inaba, Kiyoshi Fujihara, Takeshi Shimazaki, Isao Kidoguchi | 1998-08-11 |
| 5764682 | Distributed feedback semiconductor laser and method for fabricating the same | Masahiro Kitoh, Nobuyuki Otsuka, Yasushi Matsui | 1998-06-09 |
| 5652762 | Semiconductor laser device and method for fabricating the same and strained quantum well crystal and method for fabricating the same | Nobuyuki Otsuka, Masahiro Kito, Yasushi Matsui | 1997-07-29 |
| 5621747 | Multi quantum well semiconductor laser and optical communication system using the same | Masahiro Kitoh, Nobuyuki Otsuka, Yasushi Matsui | 1997-04-15 |
| 5568501 | Semiconductor laser and method for producing the same | Nobuyuki Otsuka, Masahiro Kitoh, Yasushi Matsui | 1996-10-22 |
| 5539766 | Distributed feedback semiconductor laser | Masahiro Kitoh, Nobuyuki Otsuka, Yasushi Matsui | 1996-07-23 |
| 5319657 | Semiconductor laser of modulation doping quantum well structure with stopper against dopant dispersion and manufacturing method thereof | Nobuyuki Otsuka, Masahiro Kito, Yasushi Matsui | 1994-06-07 |
| 5227015 | Method of fabricating semiconductor laser | Kiyoshi Fujihara, Naoki Takenaka | 1993-07-13 |
| 4961198 | Semiconductor device | Yoichi Sasai | 1990-10-02 |