Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474652 | Shaft seal device | Masachi Hosoya, Toshikazu Yabe | 2002-11-05 |
KK
Kazuaki Konishi
Overall (All Time): #3,562,477 of 4,157,543Top 90%
1
Patents All Time