Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443623 | Lubrication system for rolling bearing | Sumio Sugita, Tamotsu Misawa | 2002-09-03 |
YK
Yu Koiwa
Overall (2002): #83,817 of 266,432Top 35%
1
Patents 2002