Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777575 | Switching power supply | Ikuo Yamato, Hisao Amano, Shoichi Noguchi, Teruaki Odaka | 1988-10-11 |
| 4737974 | Inverter type switching power supply with transformer and short circuit arrangement therefor | Hirofumi Hino, Masaji Ohtakeguchi, Kazuo Kaneko | 1988-04-12 |
| 4692643 | Semiconductor switching device having plural MOSFET's, GTO's or the like connected in series | Hiroshi Fukui, Kouzou Watanabe, Hisao Amano, Masayoshi Sato | 1987-09-08 |
| 4306138 | Power supply apparatus for resistance welder including means for preventing polarized transformer excitation | Hisao Amano, Yorito Jifuku | 1981-12-15 |
| 4292550 | Gate control circuit with capacitor for field controlled thyristor | Kenichi Onda | 1981-09-29 |