Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901138 | Semiconductor converter | Ryoichi Kushibiki | 1990-02-13 |
| 4866503 | Semiconductor stack | Ryouichi Kushibiki | 1989-09-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901138 | Semiconductor converter | Ryoichi Kushibiki | 1990-02-13 |
| 4866503 | Semiconductor stack | Ryouichi Kushibiki | 1989-09-12 |