Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4794218 | Door assembly for microwave heating apparatus | Yohzoh Ishimura | 1988-12-27 |
| 4742201 | Door assembly for microwave heating apparatus | Yohzoh Ishimura | 1988-05-03 |
| 4663508 | Combination thermal and mechanical safety switch for microwave heating oven | Yohzoh Ishimura, Toyotsugu Matsukura, Toshiaki Kanaoka | 1987-05-05 |