Issued Patents 2016
Showing 1–2 of 2 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 |