Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532631 | Semiconductor lasers and method for producing the same | Katsuhito Shima | 1985-07-30 |
| 4360919 | Semiconductor light emitting device | Takao Fujiwara, Sigeo Ohsaka, Hiroshi Ishikawa, Nobuyuki Takagi, Katsuharu Segi | 1982-11-23 |