Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9533363 | Indexable thread forming tap | Jiro Osawa, Takayuki Matsushita, Kentaro Norimatsu | 2017-01-03 |
| 9364904 | Variable lead end mill | Jiro Osawa, Shigetoshi Ukei, Hiroshi Tomita | 2016-06-14 |
| 9339881 | Removable tip type rotary tool | Jiro Osawa, Takayuki Matsushita, Kentarou Norimatsu | 2016-05-17 |
| 8944732 | Machining head replaceable rotating tool, holder, and machining head | Jiro Osawa | 2015-02-03 |
| 8931982 | Throw-away rotating tool | Jiro Osawa, Takuma Aoyama, Ikuo Takikawa | 2015-01-13 |
| 8864425 | Bevel head replaceable rotary tool, bevel head and tool body | Jiro Osawa | 2014-10-21 |
| 8807881 | Throwaway rotary cutting tool | Yasuo Hamatake, Katsutoshi Watanabe | 2014-08-19 |
| 8714885 | Throwaway rotary cutting tool | Yasuo Hamatake, Katsutoshi Watanabe | 2014-05-06 |
| 8678723 | Throw-away rotating tool | Jiro Osawa, Takuma Aoyama | 2014-03-25 |
| 8511949 | Method of cutting tree-shaped groove and rotary cutting tool | — | 2013-08-20 |