Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11981259 | Sound generation device for vehicle | Yukifusa Hattori, Seisuke Mitsunaga, Hidekazu Shiraishi, Katsuya Shimizu, Chieko Nakagami | 2024-05-14 |
| 11763795 | Vehicle sound generation device | Yukifusa Hattori, Shuhei Otsuki, Takatoshi Nomura | 2023-09-19 |
| 6751168 | Changer device capable of playing back tracks without a disk | — | 2004-06-15 |
| 6283717 | Control circuit of a solenoid actuated pump to be powered by any variable voltage between 90 and 264 volts | — | 2001-09-04 |
| 5752716 | Inflator with an actuation indicator | Osamu Fukawatase, Makoto Hamada | 1998-05-19 |
| 4592389 | Rotary valve | Toshio Hirokawa, Toshihiro Goto | 1986-06-03 |