Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449178 | Magnetron drive step-up transformer and transformer of magnetron drive power supply | Shinichi Sakai, Makoto Mihara, Kazuho Sakamoto, Toyotsugu Matsukura | 2002-09-10 |
| 4794218 | Door assembly for microwave heating apparatus | Okihiko Nakano | 1988-12-27 |
| 4742201 | Door assembly for microwave heating apparatus | Okihiko Nakano | 1988-05-03 |
| 4663508 | Combination thermal and mechanical safety switch for microwave heating oven | Okihiko Nakano, Toyotsugu Matsukura, Toshiaki Kanaoka | 1987-05-05 |
| 4461940 | Fail-safe device for use in a heating apparatus | — | 1984-07-24 |