Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886951 | Power supply for a magnetron having a rectifying circuit, switching circuit, and transformer | Haruo Suenaga, Naoyoshi Maehara, Kazuho Sakamoto, Takashi Niwa, Daisuke Bessyo +2 more | 1989-12-12 |
| 4851629 | High-frequency heating device | Daisuke Bessyo, Naoyoshi Maehara, Kazuho Sakamoto, Shigeru Kusunoki | 1989-07-25 |
| 4839637 | Method of driving gas-discharge panel | Shigeo Mikoshiba, Shinichi Shinada | 1989-06-13 |
| 4812960 | Power feeding apparatus | Kazuho Sakamoto, Takao Shitaya, Shigeru Kusunoki, Naoyoshi Maehara, Takashi Niwa +1 more | 1989-03-14 |