Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4551849 | Vehicle panel speaker for automotive audio system utilizing part of a vehicle panel as a sound-producing medium | Junichi Kasai, Takayuki Yanagishima, Yoshiaki Murakami, Akimitsu Shino, Tatsuya Watanabe | 1985-11-05 |
| 4550428 | Driver unit for automotive audio speaker | Takayuki Yanagishima, Junichi Kasai, Tatsuya Watanabe, Akimitsu Shino, Yoshiaki Murakami | 1985-10-29 |
| 4499340 | Speaker for automotive audio system with vehicle panel utilized as sound amplifying medium | Junichi Kasai, Takayuki Yanagishima, Yoshiaki Murakami, Akimitsu Shino, Tatsuya Watanabe | 1985-02-12 |
| 4274358 | Illuminated indicator gauge | Kenji Nakamura, Masao Ishikawa | 1981-06-23 |
| 4258643 | Illuminated indicator gauge with illuminated pointer | Masao Ishikawa, Kenji Nakamura | 1981-03-31 |