Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830018 | Engine valve train | Mitsuru Sugimoto, Atsushi Umemoto | 2004-12-14 |
NW
Norihiko Watanabe
Overall (All Time): #3,497,712 of 4,157,543Top 85%
1
Patents All Time