Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885260 | Method of laser enhanced vapor phase growth for compound semiconductor | Yuzaburo Ban, Masaya Manno, Minoru Kubo, Mototsugu Morisaki | 1989-12-05 |
| 4866489 | Semiconductor device | Toshiya Yokogawa | 1989-09-12 |
| 4843031 | Method of fabricating compound semiconductor laser using selective irradiation | Yuzaburo Ban, Hiraaki Tsujii, Youichi Sasai, Hiroyuki Serizawa | 1989-06-27 |