Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5431704 | Ceramic abrasive grains, method of producing the same and abrasive products made of the same | Souichi Fujii, Naruo Suzuki | 1995-07-11 |
| 5248318 | Lapping abrasive of alumina-zirconia system and method for producing the same | Yoshihiro Onoda, Takanobu Takahashi, Koji Tsuda | 1993-09-28 |
| 5190567 | Sintered aluminous abrasive grains and method of producing the same | Yoshihiro Onoda, Masaru Nozaki, Naruo Suzuki | 1993-03-02 |
| 5177040 | Fused zirconia refractory materials having high-temperature heat resistance and corrosion resistance and a method for producing the same | Yoshihiro Onoda, Koji Tsuda, Hiroyuki Yamashita | 1993-01-05 |
| 4671917 | Method and apparatus for cooling molten oxides | Akira Iwata, Genji Tanaka, Masaaki Taniguchi, Kouji Tsuda | 1987-06-09 |