Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454820 | Polishing composition | Koichi Naito, Shigeo Fujii | 2002-09-24 |
| 6383991 | Cutting oil composition | Jiro Hashimoto, Kazuhiko Nishimoto | 2002-05-07 |
| 6336945 | Abrasive composition for the base of magnetic recording medium and process for producing the base by using the same | Yuzo Yamamoto, Manabu Shibata, Koji Taira | 2002-01-08 |