Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6135595 | Eyeglass lenses for correcting color vision | Katsuyoshi Takeshita, Kunihiko Yano, Toshiya Otsuki | 2000-10-24 |
| 5428824 | Radio transceiver capable of avoiding intermodulation distortion | — | 1995-06-27 |
| 5130634 | Battery charger for a portable wireless telephone set having means for tricklingly charging the battery with an increased current during a stand-by period of the telephone set | — | 1992-07-14 |
| 5015086 | Electronic sunglasses | Etsuo Okaue, Masaru Egawa, Norio Horaguchi | 1991-05-14 |
| 4949057 | Distributed constant type delay line device and a manufacturing method thereof | Taeko Ishizaka, Hajime Okamura | 1990-08-14 |
| 4903319 | Portable radio telephone having power saver | Sotoaki Babano | 1990-02-20 |
| 4680553 | Intermediate frequency amplifier with signal strength detection circuit | Katsuji Kimura, Yukio Yokoyama, Koji Yamasaki, Toshifumi Sato | 1987-07-14 |
| 4555682 | Mechanical filter | Takashi Gounji, Teruo Kawatsu, Chikao Takeuchi | 1985-11-26 |
| 4511202 | Ceramic resonator and a ceramic filter using the same | — | 1985-04-16 |
| 4395849 | Automatic frequency adjusting method for mechanical resonators | Tsunenori Hayashi | 1983-08-02 |
| 4314216 | Mechanical filter | Takashi Gounji, Kenji Shirai | 1982-02-02 |
| 4281298 | Flexural transducer | Takashi Gounji | 1981-07-28 |
| 4241321 | Electromechanical filter | Takashi Gounji, Yoshio Katsube | 1980-12-23 |