Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10543583 | Grinding tool and manufacturing method therefor | — | 2020-01-28 |
| 10213904 | Grinding wheel tool | — | 2019-02-26 |
| 10071465 | Grindstone tool | Haruhiko Niitani | 2018-09-11 |
| 9511432 | Gear machining apparatus | Hitoshi Yoshimura | 2016-12-06 |
| 9333627 | Grindstone tool and method for manufacturing same | Toshio Kimura | 2016-05-10 |