Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7742610 | Automobile audiovisual system | Toyoaki Kitano, Ikuo Saga | 2010-06-22 |
| 6724317 | Audiovisual player system | Toyoaki Kitano, Ikuo Saga | 2004-04-20 |
| 4973935 | Infrared detector | — | 1990-11-27 |
| 4833714 | Speech recognition apparatus | Mitsuo Shimotani, Kenji Shima | 1989-05-23 |
| 4815133 | Sound field producing apparatus | — | 1989-03-21 |
| 4633500 | Speech synthesizer | Norimasa Yamada | 1986-12-30 |
| 4484497 | Fuel cut-off system for an engine coupled to an automatic power transmission with a lockup device | — | 1984-11-27 |
| 4394536 | Sound reproduction device | Kenji Shima | 1983-07-19 |
| 4394537 | Sound reproduction device | Kenji Shima | 1983-07-19 |
| 4311129 | Auxiliary air regulator for internal combustion engine | Tadao Kakizaki, Akira Utsugi, Kizuku Otsubo | 1982-01-19 |
| 4182209 | Waveform generator | Kenji Shima | 1980-01-08 |