Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9713846 | 3-blade drill | Kazutoyo Itoh | 2017-07-25 |
| 9623490 | Three-bladed drill with cutting fluid supply hole | — | 2017-04-18 |
| 9604286 | Drill | — | 2017-03-28 |
| 9511424 | Drill | — | 2016-12-06 |
| 9492877 | Drill | Kazutoyo Itoh, Hiroyuki Amano | 2016-11-15 |