Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8807881 | Throwaway rotary cutting tool | Tasuku Itoh, Katsutoshi Watanabe | 2014-08-19 | |
| 8714885 | Throwaway rotary cutting tool | Tasuku Itoh, Katsutoshi Watanabe | 2014-05-06 | |
| 8257144 | Neck portion grinding apparatus and grinding device employed in the neck portion grinding apparatus | Wataru Aoki, Hirotsugu Takahama, Masakazu Nakamura, Jiro Osawa, Tamotsu Nagai | 2012-09-04 | |
| 7618219 | Ball endmill | Jiro Osawa, Wataru Aoki | 2009-11-17 | $2,498,000 |
| 7478977 | Ball endmill | Jiro Osawa, Wataru Aoki | 2009-01-20 | $1,648,000 |