Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967050 | High frequency cooking device with ceiling mounted semi-spherical reflector | Kenzo Okamoto | 1990-10-30 |
| D308463 | Microwave oven | Hideo Nishikawa, Kenzo Okamoto | 1990-06-12 |
| 4918275 | Turntable for electronic range | Kenzo Okamoto | 1990-04-17 |
| 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 |
| D301429 | Microwave oven | Hideo Nishikawa, Kenzo Okamoto | 1989-06-06 |
| D301430 | 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 |
| D297698 | Microwave oven | Hideo Nishikawa, Kenzo Okamoto, Jun Yoshikado | 1988-09-20 |
| D297699 | Microwave oven | Hideo Nishikawa, Kenzo Okamoto, Jun Yoshikado | 1988-09-20 |
| D297700 | Microwave oven | Hideo Nishikawa, Kenzo Okamoto, Jun Yoshikado | 1988-09-20 |
| 4755647 | Control unit for power-supply circuit in electronic range | Hideo Nishikawa, Kenzo Okamoto | 1988-07-05 |
| D289847 | Hot plate | Kenzo Okamoto, Jun Yoshikado | 1987-05-19 |
| D288232 | Stove | Kenzo Okamoto, Hideo Nishikawa, Koichi Sakai | 1987-02-10 |
| D286069 | Stove | Hideo Nishikawa, Kenzo Okamoto, Koichi Sakai | 1986-10-07 |
| D282395 | Stove | Hideo Nishikawa, Kenzo Okamoto, Koichi Sakai | 1986-01-28 |
| 4562825 | Flame-rise stopping means for a kerosene stove | Hideo Nishikawa, Kenzo Okamoto, Hiroichi Sakai | 1986-01-07 |
| 4556045 | Reflection type kerosene stove | Hideo Nishikawa, Kenzo Okamoto, Koichi Sakai | 1985-12-03 |
| 4515557 | Kerosene combustion apparatus | Hideo Nishikawa, Kenzo Okamoto, Koichi Sakai | 1985-05-07 |
| D276546 | Stove | Kenzo Okamoto, Hiroichi Sakai, Hideharu Kimura | 1984-11-27 |
| D276548 | Stove | Kenzo Okamoto, Hiroichi Sakai, Hideharu Kimura | 1984-11-27 |