Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |