Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358898 | Method of making a tunable laser diode having a distributed feedback structure | Yuji Kotaki, Manabu Matsuda | 1994-10-25 |
| 5347533 | Optical semiconductor device, method of producing the optical semiconductor device, and laser device using optical semiconductor devices | Toshio Higashi | 1994-09-13 |