Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D284504 | Stove | Kenzo Okamoto | 1986-07-01 |
| 4575643 | Full-wave rectifier circuit | — | 1986-03-11 |
| D282395 | Stove | Hideo Nishikawa, Kenzo Okamoto, Fumihiko Kitada | 1986-01-28 |
| 4556045 | Reflection type kerosene stove | Hideo Nishikawa, Kenzo Okamoto, Fumihiko Kitada | 1985-12-03 |
| 4546274 | Non-linear integration circuit | — | 1985-10-08 |
| 4517508 | Variable impedance circuit | — | 1985-05-14 |
| 4515557 | Kerosene combustion apparatus | Hideo Nishikawa, Kenzo Okamoto, Fumihiko Kitada | 1985-05-07 |
| 4394625 | Semiconductor integrated circuit device | — | 1983-07-19 |
| 4375598 | Transistor circuit having two comparator levels | — | 1983-03-01 |
| 4320534 | Loudness control circuit | Satoru Horie | 1982-03-16 |
| 4262255 | Level indicating device | Akira Kokei, Mineo Ohshima | 1981-04-14 |
| 4211157 | Coffee maker | Kazunori Ikeyama | 1980-07-08 |
| 4195203 | Noise cancelling system for FM receiver | Satoru Horie, Shinji Kitahara, Kozo Suzuki | 1980-03-25 |