Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660691 | Reamer | Masashi YAMADA, Jun Okamoto, Futoshi Takeshita, Kyosuke Kai, Katsutoshi Fukuda | 2023-05-30 |
| 10766077 | Cutting tool | Yoshikatsu Mori, Kouki Matsubara, Ryusei Hamada, Kazuhiko Kashima, Yasuhiro Kajiwara | 2020-09-08 |
| 10646934 | Drill | Yuki Tsutsumi, Hirofumi Tamanishi | 2020-05-12 |
| 10300534 | Drill | Yuma Kawakami, Daisuke Murakami, Keiji Kinoshita | 2019-05-28 |
| 10155269 | Drill | — | 2018-12-18 |
| 9522428 | Small-diameter drill | — | 2016-12-20 |
| 8197163 | Indexable insert and drill using the same | Kazuchika Nasu, Makoto Abe | 2012-06-12 |
| 5954459 | Throwaway inserts and throwaway drill | Kazuo Noguchi, Kazuyoshi Kimura, Kazuchika Nasu | 1999-09-21 |
| 5800101 | Drill | Jun Okamoto | 1998-09-01 |
| 4728231 | Drill bit structure | Nagatoshi Kunimori, Yoshikatsu Mori | 1988-03-01 |