Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8737660 | Electric horn | Toshio Takahashi, Yoshihiro Murakoshi | 2014-05-27 |
| 5345852 | Drainage structure of a volute horn | Akio Wakai | 1994-09-13 |
| 5263435 | Volute horn and method of manufacturing | — | 1993-11-23 |