Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352120 | Semiconductor device using SiC as supporter of a semiconductor element | Yasutoshi Kurihara, Hiroaki Hachino | 1982-09-28 |
| 4345179 | Resistor glass seal spark plug | Tadamichi Asai | 1982-08-17 |