Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7722692 | Cerium oxide-based abrasive, and production method and use thereof | Tomoyuki Masuda, Naoki Bessho | 2010-05-25 |
| 5633084 | Coated fused alumina particles and production process thereof | Fumiyoshi Ono | 1997-05-27 |
| 5387268 | Sintered alumina abrasive grain and abrasive products | Fumiyoshi Ono | 1995-02-07 |
| 5304226 | Abrasive grain and manufacture for the same | Mitsuru Hasegawa, Tetsuo Hatanaka | 1994-04-19 |
| 5215551 | Alumina-based ceramics materials, abrasive materials and method for the manufacture of the same | Tetsuo Hatanaka, Minoru MATSUKURA, Norimichi Aoki, Shoichi Imai | 1993-06-01 |
| 5192339 | Abrasive grain and method for manufacturing the same | Mitsuru Hasegawa, Tetsuo Hatanaka | 1993-03-09 |
| 4902649 | Hard tissue substitute composition | Yoshitaka Kimura, Yuji Furuta, Kunihiro Miyazaki | 1990-02-20 |
| 4774068 | Method for production of mullite of high purity | Eizi Ando, Kunihiro Miyazaki | 1988-09-27 |
| 4686774 | Method for dehydration of a composition of a fine powder and water | Eizi Ando | 1987-08-18 |