Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691651 | Engine valve operating system for internal combustion engine | Hidefumi Adachi, Yoshikazu Hoshi | 2004-02-17 |
KY
Koichiro Yonekura
Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,470,032 of 4,157,543Top 85%
1
Patents All Time