Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849065 | Crystal growing method | Yasunori Ohkubo, Nobuyuki Izawa | 1989-07-18 |
| 4836788 | Production of solid-state image pick-up device with uniform distribution of dopants | Yasaburo Kato, Nobuyuki Isawa, Hideo Kanbe, Masaharu Hamasaki | 1989-06-06 |