Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447167 | Hydrodynamic bearing, hydrodynamic bearing apparatus | Tsuyoshi Kashiwada, Katsushige Konno, Tadashi Kiyokawa, Hajime Kiyokawa | 2002-09-10 |
| 6400485 | Air-dynamic bearing apparatus and polygon scanner motor | Tsuyoshi Kashiwada, Hirotada Shimaguchi | 2002-06-04 |