Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5508672 | Stationary induction apparatus | — | 1996-04-16 |
| 5448215 | Stationary induction apparatus | — | 1995-09-05 |
| 5444426 | Stationary induction apparatus | — | 1995-08-22 |
| 5003277 | Phase-shifting transformer with a six-phase core | Koichi Ishii | 1991-03-26 |
| 4980515 | Electrical apparatus with an in-tank electromagnetic shield | Takashi Sakuma | 1990-12-25 |
| 4831352 | Rectifier transformer | Hiromu Shinkai | 1989-05-16 |