Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12162083 | Cutter | Takayuki Hagiwara, Hidehiko Nagaya, Hiroshi Hoki | 2024-12-10 |
| 11045886 | Cutting insert and indexable cutting tool | Takayuki Hagiwara, Kiichi Yamazaki, Jun Kitajima | 2021-06-29 |
| 10799961 | Cutting insert and indexable cutting tool | Jun Kitajima, Masashi Kanbara, Chinami Sakamoto | 2020-10-13 |
| 10493540 | Cutting insert and indexable cutting tool | Jun Kitajima, Toshimitsu Furuki, Kiichi Yamazaki, Takayuki Hagiwara | 2019-12-03 |