Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119420 | Device for correcting a sound field in a narrow space | Shinjiro Kato, Hisashi Kihara, Shuichi Mori | 1992-06-02 |
| 5107539 | Automatic sound volume controller | Shinjiro Kato, Hisashi Kihara, Shuichi Mori | 1992-04-21 |
| 5081682 | On-vehicle automatic loudness control apparatus | Shinjiro Kato, Masayaki Kato | 1992-01-14 |
| 4864246 | Mobile automatic volume control apparatus | Masayuki Kato, Shinjiro Kato | 1989-09-05 |
| 4489685 | Multi-cylinder internal combustion engine | Mitsutaka Kinoshita, Tatsuro Nakagami, Nobuaki Murakami, Norio Endo, Yoshiaki Danno | 1984-12-25 |
| 4226633 | Raw composition for carbon articles | Kiro Asano, Yoshio Kawai, Kiyoshi Yamaki | 1980-10-07 |