Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494928 | Polishing compound for sheet metal coating | Kazuo Hokkirigawa, Noriyuki Yoshimura | 2002-12-17 |
| 6423126 | Less outgas generating anticorrosive composition for HDD | — | 2002-07-23 |
| 6420321 | Fluorine-based oil composition for actuator rolling bearings | Tatsuya Hashimoto | 2002-07-16 |
| 6395677 | Material for bearing retainer | Kazuo Hokkirigawa, Rikuro Obara | 2002-05-28 |