Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585850 | Retaining ring with a three-layer structure | Suzuki Kenji, Gen Yasuhara | 2003-07-01 |
YS
Yoshihiro Sunada
Overall (All Time): #3,515,863 of 4,157,543Top 85%
1
Patents All Time