Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321712 | Semiconductor light-emitting device having a cladding layer composed of an InGaAlp-based compound | Kazuhiko Itaya, Koichi Nitta, Genichi Hatakoshi, Yukie Nishikawa, Hideto Sugawara | 1994-06-14 |