Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386163 | Valve system for an engine | Takaaki Tsukui, Takashi Ichimura | 2002-05-14 |
| 6378495 | Engine with valve resting function | Takaaki Tsukui, Tomoyuki Okamoto | 2002-04-30 |
YK
Yoshihiko Kumagai
Overall (2002): #34,328 of 266,432Top 15%
2
Patents 2002