Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478835 | Abrasive composition for polishing magnetic recording disk substrates | Norihiko Miyata, Kenji Tomita | 2002-11-12 |
| 6435884 | Two-wire type wiring case | — | 2002-08-20 |
| 6426155 | Magnetic hard disc substrate and process for manufacturing the same | Kenji Tomita, Kurata Awaya, Tomoya Utashiro | 2002-07-30 |
| 6378338 | Method for producing magnetic disk substrates | Kurata Awaya, Kazuyoshi Nishizawa | 2002-04-30 |