Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659647 | Ceramic dynamic pressure bearing, motor with bearing, hard disk device, and polygon scanner | Hironobu Ishikawa, Tetsuji Yogo | 2003-12-09 |
AS
Atsutoshi Sugiyama
Overall (2003): #259,717 of 273,478Top 95%
1
Patents 2003