Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440186 | Polishing composition and polishing method employing it | Kenji Sakai, Hiroshi Asano, Katsuyoshi Ina | 2002-08-27 |
| 6428721 | Polishing composition and polishing method employing it | Katsuyoshi Ina, Satoshi Suzumura | 2002-08-06 |