Issued Patents All Time
Showing 25 most recent of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41336 | Fabrication method for algainnpassb based devices | Masahiko Kondow, Hitoshi Nakamura | 2010-05-18 |
| 7409113 | Semiconductor electro-absorption optical modulator, semiconductor electro-absorption optical modulator integrated laser, optical transmitter module and optical module | Seiji Sumi, Hiroyuki Kamiyama, Kazuhiko Naoe | 2008-08-05 |
| 6678479 | Semiconductor electro-absorption optical modulator integrated light emission element light emission element module and optical transmission system | Kazuhiko Naoe, Masahiro Aoki, Minoru Fujita | 2004-01-13 |
| 6606443 | Optical transmission device | Hiroshi Sato, Masahiro Aoki, Tsurugi Sudoh, Akira Taike, Tomonobu Tsuchiya +1 more | 2003-08-12 |
| RE38072 | Fabrication method for AlGaInNPAsSb based devices | Masahiko Kondo, Hitoshi Nakamura | 2003-04-08 |
| 6546034 | Semiconductor laser device, semiconductor laser array device and optical fiber transmission system | Masaaki Komori, Masahiro Aoki, Kazuhiko Hosomi | 2003-04-08 |
| 6459840 | Optical transmission device | Hiroshi Sato, Masahiro Aoki, Tsurugi Sudoh, Akira Taike, Tomonobu Tsuchiya +1 more | 2002-10-01 |
| 6236771 | Optical transmission apparatus | Masahiro Aoki, Satoshi Aoki | 2001-05-22 |
| 5937274 | Fabrication method for AlGaIn NPAsSb based devices | Masahiko Kondow, Hitoshi Nakamura | 1999-08-10 |
| 5912913 | Vertical cavity surface emitting laser, optical transmitter-receiver module using the laser, and parallel processing system using the laser | Masahiko Kondow, Kazunori Shinoda, Shinji Nishimura | 1999-06-15 |
| 5666455 | Waveguide device | Masahiro Aoki, Tatemi Ido, Takayuki Tsutsui, Tomonobu Tsuchiya, Makoto Okai +1 more | 1997-09-09 |
| 5654583 | Semiconductor device having first and second semiconductor structures directly bonded to each other | Yae Okuno, Masahiro Aoki, Misuzu Sagawa | 1997-08-05 |
| 5574289 | Semiconductor optical integrated device and light receiver using said device | Masahiro Aoki, Hirohisa Sano, Shinji Sakano, Makoto Suzuki, Makoto Takahashi +2 more | 1996-11-12 |
| 5572616 | Waveguide device | Masahiro Aoki, Tatemi Ido, Takayuki Tsutsui, Tomonobu Tsuchiya, Makoto Okai +1 more | 1996-11-05 |
| 5394491 | Semiconductor optical switch and array of the same | Hiroaki Inoue, Koji Ishida | 1995-02-28 |
| 5363393 | Surface emitting semiconductor laser | Misuzu Sagawa, Atsushi Takai | 1994-11-08 |
| 5247592 | Semiconductor optical device and array of the same | Hiroaki Inoue, Koji Ishida | 1993-09-21 |
| 5179567 | Semiconductor laser device, method of fabricating the same and optical system of utilizing the same | Naoki Chinone, Masahiro Aoki | 1993-01-12 |
| 5177758 | Semiconductor laser device with plural active layers and changing optical properties | Akihiko Oka, Shinji Sakano, Naoki Chinone, Tsukuru Ohtoshi, Tomonobu Tsuchiya +1 more | 1993-01-05 |
| 5170404 | Semiconductor laser device suitable for optical communications systems drive | Tsukuru Ohtoshi, Shinji Sasaki, Naoki Chinone, Shinji Sakano | 1992-12-08 |
| 5146513 | Semiconductor optical device and array of the same | Hiroaki Inoue, Koji Ishida | 1992-09-08 |
| 5136601 | Semiconductor laser | Takashi Kajimura, Naoki Chinone, Yuichi Ono, Shinichi Nakatsuka, Toshihiro Kawano +2 more | 1992-08-04 |
| 5132981 | Semiconductor optical device | Shinji Sasaki, Tomonobu Tsuchiya, Naoki Chinone, Tsukuru Ohtoshi | 1992-07-21 |
| 5119393 | Semiconductor laser device capable of controlling wavelength shift | Akihiko Oka, Shinji Sakano, Naoki Chinone, Tsukuru Ohtoshi, Tomonobu Tsuchiya +1 more | 1992-06-02 |
| 5073892 | Semiconductor laser device | Tsukuru Ohtoshi, Tomonobu Tsuchiya, Shinji Sasaki, Naoki Chinone | 1991-12-17 |