Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10471522 | Drill | Tadashi Yamamoto, Yuya Tsurumaki | 2019-11-12 |
| 9352399 | Drill | Koichiro Naruke | 2016-05-31 |
| 9216460 | Coolant-hole equipped drill | Nobuyuki Matsuda, Hiroyuki Higashi, Koichiro Naruke, Tadashi Yamamoto | 2015-12-22 |
| 8876445 | Drill | Koichiro Naruke | 2014-11-04 |
| 7762748 | Drill | Masayuki Mabuchi, Hiroyuki Higashi | 2010-07-27 |
| D602054 | Drill with unique shaped coolant holes | Hiroyuki Higashi, Nobuyuki Matsuda | 2009-10-13 |
| D602055 | Drill with unique shaped coolant holes | Hiroyuki Higashi, Nobuyuki Matsuda | 2009-10-13 |
| 7306411 | Drill with groove width variation along the drill and double margin with a thinning section at the tip | Masayuki Mabuchi, Katsuyuki Suzuki, Syoji Takiguchi | 2007-12-11 |
| 6916139 | Drill | Shoji Takiguchi, Katsuyuki Suzuki, Takeshi Inoue | 2005-07-12 |
| 6071601 | Coated cutting tool member | Takatoshi Oshika, Kouichi Yuri, Tetsuhiko Honma, Eiji Nakamura, Atsushi Nagamine | 2000-06-06 |