Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091617 | High frequency heating apparatus using inverter-type power supply | Naoyoshi Maehara, Takahiro Matsumoto, Kazuho Sakamoto, Daisuke Bessyo, Takashi Niwa +1 more | 1992-02-25 |
| 4954694 | Cooking oven having function to automatically clean soils attached to inner walls thereof | Takeshi Nagai, Hiroshi Fukuda, Masahiko Itoh | 1990-09-04 |
| 4886951 | Power supply for a magnetron having a rectifying circuit, switching circuit, and transformer | Takahiro Matsumoto, Haruo Suenaga, Naoyoshi Maehara, Kazuho Sakamoto, Takashi Niwa +2 more | 1989-12-12 |
| 4812960 | Power feeding apparatus | Kazuho Sakamoto, Shigeru Kusunoki, Naoyoshi Maehara, Takashi Niwa, Takahiro Matsumoto +1 more | 1989-03-14 |
| 4757181 | Weighing apparatus | Kazuho Sakamoto, Makoto Mihara | 1988-07-12 |