Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979434 | Method for producing potassium fluorotantalate crystal being low in oxygen content and method for producing potassium fluoroniobate crystal being low in oxygen content, potassium fluorotantalate crystal being low in oxygen content and potassium fluoroniobate crystal | Masanori Kinoshita | 2005-12-27 |
| 6905527 | Method of manufacturing cerium-based polishing agent | Terunori Ito, Hiroyuki Watanabe, Kazuya Ushiyama, Shigeru Kuwabara | 2005-06-14 |
| 6901684 | Method for producing cerium-based abrasive and cerium-based abrasive produced thereby | Terunori Ito, Kazuya Ushiyama, Yuki Nakashima | 2005-06-07 |
| 6893477 | Cerium-based abrasive material slurry and method for producing cerium-based abrasive material slurry | Kazuya Ushiyama | 2005-05-17 |
| 6843816 | Cerium-based abrasive material and method for preparation thereof | Terunori Ito, Naoyoshi Mochizuki, Hiroyuki Watanabe, Akira Shimogawara | 2005-01-18 |
| 6824578 | Abrasive material | Hidehiko Yamasaki, Shigeru Kuwabara | 2004-11-30 |
| 6800268 | Method for producing potassium fluoroniobate crystals and potassium fluoroniobate crystals | Masanori Kinoshita | 2004-10-05 |
| 6776811 | Cerium based abrasive material, method of quality examination thereof, and method of production thereof | Hidehiko Yamasaki, Kazuaki Takahashi | 2004-08-17 |
| 6764669 | Method for producing fluorinated potassium tantalate crystal | Hiromichi Isaka, Kenji Higashi, Shigeru Kuwabara | 2004-07-20 |
| 6689178 | Cerium based abrasive material and method for producing cerium based abrasive material | Terunori Ito, Hidehiko Yamasaki, Naoyoshi Mochizuki | 2004-02-10 |
| 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 |