Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966985 | Valve operating system and engine intake control system | Fumio Kawamata, Makoto Hirata, Takashi Fukuda | 2011-06-28 |
| 7631628 | Engine intake control system | Fumio Kawamata, Makoto Hirata | 2009-12-15 |