Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705616 | Piston ring device in internal combustion engine | Noriaki Fujii, Kazuyuki Seko | 2004-03-16 |
KF
Kinya Fujii
Overall (2004): #175,445 of 270,089Top 65%
1
Patents 2004