Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621234 | Vertical semiconductor device with breakdown voltage improvement region | — | 1997-04-15 |
| 5609145 | Internal combustion engine ignition system | Masami Kojima | 1997-03-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621234 | Vertical semiconductor device with breakdown voltage improvement region | — | 1997-04-15 |
| 5609145 | Internal combustion engine ignition system | Masami Kojima | 1997-03-11 |