Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156888 | Cerium-based abrasive material and method for preparation thereof | — | 2007-01-02 |
| 6946009 | Cerium-based abrasive material and abrasive material slurry, and method for producing cerium based abrasive material | Terunori Ito, Kazuya Ushiyama, Hiroyuki Watanabe | 2005-09-20 |
| 6843816 | Cerium-based abrasive material and method for preparation thereof | Terunori Ito, Hiroyuki Watanabe, Yoshitsugu Uchino, Akira Shimogawara | 2005-01-18 |
| 6689178 | Cerium based abrasive material and method for producing cerium based abrasive material | Terunori Ito, Hidehiko Yamasaki, Yoshitsugu Uchino | 2004-02-10 |
| 6083476 | Black ultrafine magnetite particles and process for preparing the same | Kenzo Hanawa | 2000-07-04 |
| 5951724 | Fine particulate polishing agent, method for producing the same and method for producing semiconductor devices | Kenzo Hanawa, Naruo Ueda, Kazuhiko Kato | 1999-09-14 |
| 5938837 | Cerium oxide ultrafine particles and method for preparing the same | Kenzo Hanawa, Naruo Ueda | 1999-08-17 |