Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163644 | CMP abrasive, liquid additive for CMP abrasive and method for polishing substrate | Toshihiko Akahori, Toranosuke Ashizawa, Keizo Hirai, Masato Yoshida, Yasushi Kurata | 2007-01-16 |
| 6783434 | CMP abrasive, liquid additive for CMP abrasive and method for polishing substrate | Toshihiko Akahori, Toranosuke Ashizawa, Keizo Hirai, Masato Yoshida, Yasushi Kurata | 2004-08-31 |