Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304149 | Microwave oven | Hideo Nishikawa, Kenzo Okamoto | 1989-10-24 |
| 4875721 | Latch assembly for door or window of microwave range | Kenzo Okamoto | 1989-10-24 |
| D303338 | Microwave oven | Hideo Nishikawa, Kenzo Okamoto | 1989-09-12 |
| D301430 | Microwave oven | Hideo Nishikawa, Kenzo Okamoto | 1989-06-06 |
| D301429 | Microwave oven | Hideo Nishikawa, Kenzo Okamoto | 1989-06-06 |
| 4833285 | High-frequency heating device having reflecting plates for distribution of high frequency microwaves | Kenzo Okamoto | 1989-05-23 |
| D300499 | Microwave oven | Hideo Nishikawa, Kenzo Okamoto, Jun Yoshikado | 1989-04-04 |
| 4798970 | Defrosting circuit switch unit for electronic range | Kenzo Okamoto | 1989-01-17 |