Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123648 | Radio relay apparatus | — | 2006-10-17 |
| 6671502 | Control device for radio repeater in communication field | — | 2003-12-30 |
| 6493537 | Apparatus and method for preventing oscillations in a radio repeater device | — | 2002-12-10 |
| 6431610 | Tube assembly for communicating water to a fixture | Tetsuya Ohirano, Yusuke Kato | 2002-08-13 |
| 5298848 | Large capacity variable speed PWM spatial vector type sub-harmonic system for driving AC electric motor | Shigeta Ueda, Takashi Ikimi, Mitsuyuki Hombu, Yorito Jifuku, Kenzo Kamiyama | 1994-03-29 |
| 4818458 | Method of producing acrylic fibers | Akira Sugiura, Shigeru Sawanishi | 1989-04-04 |
| 4626976 | Switch mode power supply having magnetically controlled output | Kozin Abe, Kenichi Onda, Kohei Yabuno, Shin Nakajima | 1986-12-02 |