Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9238290 | Grindstone, grindstone manufacturing method, boring tool, abrasive grain positioning jig, and relief surface forming method | Masahiko Masuzaki, Koji Saito, Masato Ide, Satoshi Kanbayashi, Fumio Sato +1 more | 2016-01-19 |
| 9233454 | Grinding stone, manufacturing method of grinding stone, and manufacturing apparatus of grinding stone | Masahiko Masuzaki, Fumio Sato, Satoru Uchiumi, Nobuhiro Asai, Koji Saito +2 more | 2016-01-12 |
| 8821606 | Metal bonded grinding stone, and method of manufacturing the same | Masato Ujihashi, Kazuhiko Kitanaka, Naohide Unno, Hiroshi Sugiyama, Noriyuki Namba | 2014-09-02 |
| 8733554 | Abrasive grains classifying apparatus | Fumio Sato, Takashi Yoshida, Koji Saito | 2014-05-27 |