Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6137121 | Integrated semiconductor light generating and detecting device | Yousuke Yamamoto, Yoshikazu Tanaka, Seiichi Nagai, Mitsuo Ishii, Isao Oshima | 2000-10-24 |
| 5105237 | Semiconductor light-emitting device with partial encapsulation | Masayuki Kubota, Mitsuo Ishii, Seiichi Nagai | 1992-04-14 |
| 5022035 | Semiconductor laser device | — | 1991-06-04 |
| 4995687 | Semiconductor laser device and a method of producing same | Seiichi Nagai, Mitsuo Ishii | 1991-02-26 |
| 4947238 | Submount for semiconductor laser element | Mitsuo Ishii, Seiichi Nagai, Toshio Tanaka | 1990-08-07 |