Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755647 | Control unit for power-supply circuit in electronic range | Kenzo Okamoto, Fumihiko Kitada | 1988-07-05 |
| 4722893 | Reagents for enzyme immunoassay for apolipoprotein B | Yukio Shigeta, Yutaka Harano, Takamitsu Nakano | 1988-02-02 |
| D293543 | Broiler | — | 1988-01-05 |
| D293539 | Broiler | — | 1988-01-05 |
| D290647 | Stove | — | 1987-06-30 |
| D289326 | Humidifier | — | 1987-04-14 |
| D289325 | Humidifier | — | 1987-04-14 |
| D288358 | Stove | Kenzo Okamoto, Koichi Sakai | 1987-02-17 |
| D288232 | Stove | Kenzo Okamoto, Koichi Sakai, Fumihiko Kitada | 1987-02-10 |
| D286069 | Stove | Kenzo Okamoto, Koichi Sakai, Fumihiko Kitada | 1986-10-07 |
| D282395 | Stove | Kenzo Okamoto, Koichi Sakai, Fumihiko Kitada | 1986-01-28 |
| 4562825 | Flame-rise stopping means for a kerosene stove | Kenzo Okamoto, Hiroichi Sakai, Fumihiko Kitada | 1986-01-07 |
| 4556045 | Reflection type kerosene stove | Kenzo Okamoto, Koichi Sakai, Fumihiko Kitada | 1985-12-03 |
| 4515557 | Kerosene combustion apparatus | Kenzo Okamoto, Koichi Sakai, Fumihiko Kitada | 1985-05-07 |
| D276547 | Stove | — | 1984-11-27 |
| 4350874 | Hot air supply type electric oven | — | 1982-09-21 |
| 4323565 | Antibacterial and antifungal composition | Masayasu Hasegawa, Kayoko Yoshida | 1982-04-06 |
| 4303668 | Antibacterial and antifungal composition | Masayasu Hasegawa, Yasuo Kotani | 1981-12-01 |
| 4302467 | Antibacterial and antifungal composition | Masayasu Hasegawa, Yasuo Kotani | 1981-11-24 |
| 4301162 | Antibacterial and antifungal composition | Masayasu Hasegawa, Kayoko Yoshida | 1981-11-17 |
| D260958 | Double well slow cooker | — | 1981-09-29 |
| 4242336 | Antibacterial and antifungal composition | Masayasu Hasegawa, Kayoko Yoshida | 1980-12-30 |
| 4242356 | Antibacterial and antifungal composition | Masayasu Hasegawa, Yasuo Kotani | 1980-12-30 |
| 4241083 | Germicidal composition for agriculture and horticulture | Yukiteru Morikawa | 1980-12-23 |