Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585787 | Cerium based abrasive material | Hidehiko Yamasaki, Kazuaki Takahashi | 2003-07-01 |
| 6562092 | Cerium based abrasive material, raw material thereof and method for their preparation | Terunori Ito, Hidehiko Yamasaki | 2003-05-13 |