Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9339881 | Removable tip type rotary tool | Jiro Osawa, Tasuku Itoh, Takayuki Matsushita | 2016-05-17 |
| 7815512 | Thread forming tap and method for manufacturing the same | Takayuki Nakajima | 2010-10-19 |