Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973922 | Fuel supply control system for engine | Yoshikazu Yamada, Eiichi Utsugi, Shosaku Chiba, Tsutomu Sasaki | 2005-12-13 |
| 5720906 | Down-drafting constant vacuum type diaphragm carburettor | Susumu Yamanaka, Masaru Asada, Shigemitsu Nitta | 1998-02-24 |