Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D748169 | Throw-away tip for metal cutting tool | Yuji Tomoda, Kunishige Tanaka | 2016-01-26 |
| D633535 | Cutting insert | Kunishige Tanaka, Hirofumi Tamanishi | 2011-03-01 |
| D631493 | Cutting insert | Kunishige Tanaka, Hirofumi Tamanishi | 2011-01-25 |
| D595751 | Throwaway insert for metal cutting tool | Naoki Sakata, Shinya Uesaka, Takuichiro Tayama, Keiji Kinoshita, Hiroki Yonekura | 2009-07-07 |
| D595322 | Throwaway insert for metal cutting tool | Naoki Sakata, Shinya Uesaka, Takuichiro Tayama, Keiji Kinoshita, Hiroki Yonekura | 2009-06-30 |
| D595323 | Throwaway insert for metal cutting tool | Naoki Sakata, Shinya Uesaka, Takuichiro Tayama, Keiji Kinoshita, Hiroki Yonekura | 2009-06-30 |
| 7524148 | Indexable insert | Yasuhiko Okita, Tomohiro Fukaya | 2009-04-28 |
| 6652201 | Ball end mill | Nagatoshi Kunimori | 2003-11-25 |
| 6612786 | Cutting tool of polycrystalline hard sintered material | Kazufumi Yamanaka | 2003-09-02 |
| 6528159 | Sintered diamond tool and method for manufacturing the same | Yoshihiro Kuroda, Noboru Yamazaki, Yasunobu Ogata, Kunihiro Tomita, Tetsuo Nakai +1 more | 2003-03-04 |
| 6261329 | Diamond sintered body having high strength and high wear resistance, and tool including the same | Yasunobu Ogata, Satoru Kukino, Junichi Shiraishi, Tetsuo Nakai | 2001-07-17 |
| 6155755 | Hard sintered body tool | Kunihiro Tomita, Tetsuo Nakai | 2000-12-05 |
| 5912217 | Diamond sintered body and a process for the production of the same, tools and abrasive grains using the same | Hitoshi Sumiya, Shuichi Satoh, Takeru Nakashima | 1999-06-15 |
| 5759216 | Diamond sintered body having high strength and high wear-resistance and manufacturing method thereof | Hirohumi Mizusuna, Tsutomu Nakamura, Tetsuo Nakai | 1998-06-02 |
| 5366522 | Polycrystalline diamond cutting tool and method of manufacturing the same | Tsutomu Nakamura, Tetsuo Nakai | 1994-11-22 |