Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474872 | Ball bearing | Toru Takamizawa, Mamoru Aoki, Takayuki Miyagawa, Hirotoshi Aramaki | 2002-11-05 |
HI
Hiroshi Ishiwada
Overall (2002): #206,723 of 266,432Top 80%
1
Patents 2002