Issued Patents All Time
Showing 26–35 of 35 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, Miho Kurihara, Masato Yoshida | 2007-01-16 |
| 7115021 | Abrasive, method of polishing target member and process for producing semiconductor device | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yuuto Ootuki, Jun Matsuzawa +1 more | 2006-10-03 |
| 6863700 | Cerium oxide abrasive and method of polishing substrates | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Jun Matsuzawa, Kiyohito Tanno +1 more | 2005-03-08 |
| 6783434 | CMP abrasive, liquid additive for CMP abrasive and method for polishing substrate | Toshihiko Akahori, Toranosuke Ashizawa, Keizo Hirai, Miho Kurihara, Masato Yoshida | 2004-08-31 |
| 6420269 | Cerium oxide abrasive for polishing insulating films formed on substrate and methods for using the same | Jun Matsuzawa, Kiyohito Tanno, Yoshio Honma | 2002-07-16 |
| 6343976 | Abrasive, method of polishing wafer, and method of producing semiconductor device | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yuuto Ootuki, Jun Matsuzawa +1 more | 2002-02-05 |
| 6221118 | Cerium oxide abrasive and method of polishing substrates | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Jun Matsuzawa, Kiyohito Tanno +1 more | 2001-04-24 |
| 5728213 | Method of growing a rare earth silicate single crystal | Hiroyuki Ishibashi, Kazuhisa Kurashige | 1998-03-17 |
| 5690731 | Method of growing single crystal | Kazuhisa Kurashige, Hiroyuki Ishibashi | 1997-11-25 |
| 5667583 | Method of producing a single crystal of a rare-earth silicate | Kazuhisa Kurashige, Hiroyuki Ishibashi | 1997-09-16 |