Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9238290 | Grindstone, grindstone manufacturing method, boring tool, abrasive grain positioning jig, and relief surface forming method | Koji Saito, Masato Ide, Satoshi Kanbayashi, Fumio Sato, Toshiya Hirata +1 more | 2016-01-19 |
| 9233454 | Grinding stone, manufacturing method of grinding stone, and manufacturing apparatus of grinding stone | Fumio Sato, Satoru Uchiumi, Nobuhiro Asai, Koji Saito, Satoshi Kanbayashi +2 more | 2016-01-12 |
| 8690644 | Bore working tool | Satoru Uchiumi, Naoya Matsunaga, Koji Saito | 2014-04-08 |