Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357405 | Valve drive mechanism of four-stroke cycle engine | Kouichi Tsuji, Uichiyama Shigenobu | 2002-03-19 |
TY
Toshihiko Yoneta
Overall (All Time): #3,538,040 of 4,157,543Top 90%
1
Patents All Time