Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949153 | Semiconductor IC device with polysilicon resistor | Tadashi Hirao, Kiyoshi Sakaue, Saburo Ohsaki | 1990-08-14 |
| 4487161 | Semiconductor device manufacturing unit | Yoshihiro Hirata, Kuniaki Miyake | 1984-12-11 |
| 4321284 | Manufacturing method for semiconductor device | — | 1982-03-23 |