Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8616936 | Abrasive, method of polishing target member and process for producing semiconductor device | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2013-12-31 |
| 8162725 | Abrasive, method of polishing target member and process for producing semiconductor device | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2012-04-24 |
| 8137159 | Abrasive, method of polishing target member and process for producing semiconductor device | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2012-03-20 |
| 7963825 | Abrasive, method of polishing target member and process for producing semiconductor device | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2011-06-21 |
| 7871308 | Abrasive, method of polishing target member and process for producing semiconductor device | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2011-01-18 |
| 7867303 | Cerium oxide abrasive and method of polishing substrates | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2011-01-11 |
| 7708788 | Cerium oxide abrasive and method of polishing substrates | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2010-05-04 |
| 7115021 | Abrasive, method of polishing target member and process for producing semiconductor device | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2006-10-03 |
| 6863700 | Cerium oxide abrasive and method of polishing substrates | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2005-03-08 |
| 6343976 | Abrasive, method of polishing wafer, and method of producing semiconductor device | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2002-02-05 |
| 6221118 | Cerium oxide abrasive and method of polishing substrates | Masato Yoshida, Toranosuke Ashizawa, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa +1 more | 2001-04-24 |