Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890009 | Monolithic integrated circuit device | Hideki Miyazaki, Kenichi Onda | 1989-12-26 |
| 4878163 | Pulse width modulated inverter with high-to-low frequency output converter | Ikuo Yamato, Norikazu Tokunaga, Hisao Amano | 1989-10-31 |
| 4866589 | Voltage resonance type switching power source apparatus | Masayoshi Satoo, Norikazu Tokunaga, Hisao Amano, Teruaki Odaka | 1989-09-12 |
| 4858096 | Resonant converter for stabilized operation of switching devices | Kenichi Onda, Kojin Abe, Yasunori Iwafuji, Hiroyuki Aoyama, Hideo Yoshinaka | 1989-08-15 |
| 4855887 | Current and frequency converter having means to reduce switching losses | Ikuo Yamato, Norikazu Tokunaga, Hisao Amano | 1989-08-08 |
| 4841427 | Capacitive voltage lowering circuit with dual outputs | Hideki Miyazaki, Kenichi Onda | 1989-06-20 |