Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691651 | Engine valve operating system for internal combustion engine | Koichiro Yonekura, Hidefumi Adachi | 2004-02-17 |
YH
Yoshikazu Hoshi
Hitachi: 1 patents #1,316 of 3,771Top 35%
Overall (2004): #83,204 of 270,089Top 35%
1
Patents 2004