Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9528695 | Mirror unit and light source for illumination | Kazufumi Adachi, Taku Ito, Harumi Nakamura, Meiji Kitamura, Takeshi Nakamura +2 more | 2016-12-27 |
| 9338859 | Illuminated makeup mirror set and method of controlling light source | Kazufumi Adachi, Taku Ito, Harumi Nakamura, Meiji Kitamura, Takeshi Nakamura +2 more | 2016-05-10 |
| 5307417 | Sound system with howling-prevention function | Yoshinobu Takamura, Fumio Matsushita | 1994-04-26 |
| 5255323 | Digital signal processing device and audio apparatus using the same | Hiroyuki Ishihara, Kazuo Watanabe, Soichi Toyama, Makio Yamaki | 1993-10-19 |
| 5091951 | Audio signal data processing system | Makio Yamaki, Yukio Matsumoto, Hiroyuki Ishihara, Toshiyuki Naoe, Hideyuki Terauchi | 1992-02-25 |
| 5065433 | Audio signal data processing system | Tatsushi Iizuka, Makio Yamaki, Hiroyuki Ishihara, Yukio Matsumoto, Kazuhiro Hayashi | 1991-11-12 |
| 4881041 | Pulse width distortion correction circuit | Yoshihiro Kawanabe | 1989-11-14 |