Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D556128 | Optical transmission conversion device | Takeshi Miyakawa, Shigeyuki Sakura | 2007-11-27 |
| D552538 | Optical transmission conversion device | Shigeyuki Sakura | 2007-10-09 |
| 6404042 | Subcarrier and semiconductor device | Minoru Sone, Akira Tanioka, Hideo Furuyama | 2002-06-11 |
| 5970081 | Grating coupled surface emitting device | Yuzo Hirayama, Masahisa Funemizu, Masaki Tohyama, Keiji Takaoka, Kazuhiro Inoue +1 more | 1999-10-19 |
| 5898909 | Ultra high frequency radio communication apparatus | Kunio Yoshihara, Kouhei Morizuka, Mitsuo Konno, Yasuo Ashizawa, Junko Akagi +6 more | 1999-04-27 |
| 5604762 | Semiconductor optical device | Nobuo Suzuki, Masaki Tohyama | 1997-02-18 |
| 5021361 | Method for making a field effect transistor integrated with an opto-electronic device | Jun'ichi Kinoshita, Nobuo Suzuki, Yuzo Hirayama, Masaru Nakamura | 1991-06-04 |
| 5001335 | Semiconductor photodetector device and method of manufacturing the same | Keiji Takaoka, Tetsuo Sadamasa, Nobuo Suzuki, Kenji Matsumoto | 1991-03-19 |
| 4974232 | Semiconductor laser device | Hideto Furuyama, Masaru Nakamura, Nobuo Suzuki, Yuzo Hirayama, Hajime OKUDA | 1990-11-27 |
| 4974233 | Semiconductor laser device | Nobuo Suzuki, Hideto Furuyama, Yuzo Hirayama, Hajime OKUDA, Masaru Nakamura +1 more | 1990-11-27 |
| 4958202 | Semiconductor light-emitting device and method of manufacturing the same | Jun'ichi Kinoshita, Hideto Furuyama, Yuzo Hirayama | 1990-09-18 |
| 4870468 | Semiconductor light-emitting device and method of manufacturing the same | Jun'ichi Kinoshita, Hideto Furuyama, Yuzo Hirayama | 1989-09-26 |
| 4862474 | Semicondutor laser device | Hideto Furuyama, Masaru Nakamura, Nobuo Suzuki, Yuzo Hirayama, Hajime OKUDA | 1989-08-29 |
| 4858241 | Semiconductor laser device | Nobuo Suzuki, Hideto Furuyama, Yuzo Hirayama, Hajime OKUDA, Masaru Nakamura +1 more | 1989-08-15 |