Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372003 | Polishing abrasive of crystalline ceric oxide particles having surfaces modified with hydroxyl groups | Toshio Kasai, Isao Ota, Tohru Nishimura, Kenji Tanimoto | 2002-04-16 |
| 6007592 | Polishing composition for aluminum disk and polishing process therewith | Toshio Kasai, Isao Ota, Tohru Nishimura | 1999-12-28 |
| 5962343 | Process for producing crystalline ceric oxide particles and abrasive | Toshio Kasai, Isao Ota, Tohru Nishimura, Kenji Tanimoto | 1999-10-05 |
| 5643497 | Aqueous zirconia sol and method of preparing same | Yutaka Kimura, Fumio Saito, Hiroaki Tanaka | 1997-07-01 |
| 5620637 | Preparation of sintered zirconia body | Yuzi Hoshi, Yutaka Kimura | 1997-04-15 |
| 5292693 | Slurry composition and sintered part prepared therefrom | Yuzi Hoshi, Yutaka Kimura | 1994-03-08 |
| 5223176 | Zirconia sol and method for making the same | Masamichi Obitsu, Yasuhiro Fujii | 1993-06-29 |
| 4985229 | Process for manufacturing fine zirconium oxide powder | Masamichi Obitsu, Isao Tomi | 1991-01-15 |