Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343486 | Semiconductor laser device | Genichi Hatakoshi, Koichi Nitta | 1994-08-30 |
| 5321712 | Semiconductor light-emitting device having a cladding layer composed of an InGaAlp-based compound | Koichi Nitta, Genichi Hatakoshi, Yukie Nishikawa, Hideto Sugawara, Mariko Suzuki | 1994-06-14 |
| 5305341 | Semiconductor laser whose active layer has an ordered structure | Yukie Nishikawa, Koichi Nitta, Genichi Hatakoshi, Masaki Okajima, Minoru Watanabe | 1994-04-19 |
| 5282218 | Semiconductor laser device | Masaki Okajima, Koichi Nitta, Genichi Hatakoshi, Yukie Nishikawa | 1994-01-25 |