Issued Patents All Time
Showing 26–50 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433345 | Fluorescence observing apparatus | Katsumi Hayashi, Yoji Okazaki | 2002-08-13 |
| 6362515 | GaN substrate including wide low-defect region for use in semiconductor element | — | 2002-03-26 |
| 6167071 | Semiconductor laser | — | 2000-12-26 |
| 5917577 | Image exposing device | Yoshiharu Okino, Takuya Yokokawa | 1999-06-29 |
| 5856994 | Laser-diode-pumped solid-state laser using index-guided type multi-transverse mode broad area laser | — | 1999-01-05 |
| 5684824 | Semiconductor light emitting device | — | 1997-11-04 |
| 5608743 | Semiconductor light emitting device | — | 1997-03-04 |
| 5299219 | Stripe-type laser diode used as a light source | — | 1994-03-29 |
| 5289484 | Laser diode | — | 1994-02-22 |
| 5263040 | Strained quantum well laser diode | — | 1993-11-16 |
| 5260959 | Narrow beam divergence laser diode | — | 1993-11-09 |
| RE34356 | Semiconductor laser array | Takahiro Suyama, Saburo Yamamoto | 1993-08-24 |
| 5196369 | Method of producing a light emitting diode array device | — | 1993-03-23 |
| 5105236 | Heterojunction light-emitting diode array | — | 1992-04-14 |
| 5084892 | Wide gain region laser diode | — | 1992-01-28 |
| 5033043 | Optical head apparatus for optical disks | — | 1991-07-16 |
| 5022036 | Semiconductor laser device | Takahiro Suyama, Masafumi Kondo, Kazuaki Sasaki, Masahiro Hosoda, Kosei Takahashi | 1991-06-04 |
| 5006907 | Crosstalk preventing laser diode array | — | 1991-04-09 |
| 5001522 | Optical semiconductor device | Kosei Takahashi, Takahiro Suyama, Masafumi Kondo | 1991-03-19 |
| 4941024 | Semiconductor apparatus | Takahiro Suyama, Saburo Yamamoto | 1990-07-10 |
| 4916708 | Semiconductor light-emitting devices | — | 1990-04-10 |
| 4907239 | Semiconductor laser device | Takahiro Suyama, Kosei Takahashi, Masafumi Kondo | 1990-03-06 |
| 4905246 | Semiconductor laser device | Takahiro Suyama, Kosei Takahashi, Masafumi Kondo | 1990-02-27 |
| 4901326 | Semiconductor laser device | Takahiro Suyama, Masafumi Kondo, Kosei Takahashi | 1990-02-13 |
| 4899349 | Semiconductor laser device | Takahiro Suyama, Kohsei Takahashi, Masafumi Kondo, Saburo Yamamoto | 1990-02-06 |