Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6702466 | Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic dynamic-pressure bearing | Hironobu Ishikawa, Tetsuji Yogo | 2004-03-09 |