Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11308930 | Electronic horn | Koichi Toyama, Junjiro Yoshimura, Toshihiko Kawamura, Yoshio Miyata | 2022-04-19 |
| 11145286 | Electronic horn | Koichi Toyama, Yoshio Miyata, Tetsuo Momo, Toshihiko Kawamura, Junjiro Yoshimura | 2021-10-12 |