Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33301 | Synchronism detector circuit | Tooru Nakamura | 1990-08-14 |
| 4796145 | Semiconductor module | — | 1989-01-03 |
| 4725916 | Short-circuit protective circuit for uninterruptible power supply equipment | — | 1988-02-16 |
| 4678949 | Synchronism detector circuit | Tooru Nakamura | 1987-07-07 |