Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342743 | Spindle motor structure using ceramic ball bearing for hard disk drive | Akihiro Ohyama, Koichi Takeuchi, Kiyoshi Satoh | 2002-01-29 |
SM
Shinichi Matsuzaki
Overall (2002): #117,980 of 266,432Top 45%
1
Patents 2002