Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10399153 | Rotary cutting tool including polycrystalline diamond material | Toshihiko Matsuo, Wardoyo AKHMADI EKO, Chihiro SAKURAZAWA | 2019-09-03 |
| 10252379 | Brazing material for bonding; and composite part and cutting tool using same | Makoto Igarashi, Kenji Yumoto, Hiroyasu Shimizu | 2019-04-09 |
| 9662711 | Cutting tool made of cubic boron nitride-based sintered material | Yosuke Miyashita, Masahiro Yano | 2017-05-30 |
| 9499441 | Cutting tool made of cubic boron nitride-based sintered material | Masahiro Yano, Yosuke Miyashita | 2016-11-22 |
| 8728184 | Bonding structure and bonding method for cemented carbide element and diamond element, cutting tip and cutting element for drilling tool, and drilling tool | Kazuo Yamamoto, Akhmadi Eko Wardoyo | 2014-05-20 |
| 8147573 | Bonding structure and bonding method for cemented carbide element and diamond element, cutting tip and cutting element for drilling tool, and drilling tool | Kazuo Yamamoto, Akhmadi Eko Wardoyo | 2012-04-03 |
| 7621974 | Bonding structure and bonding method for cemented carbide element and diamond element, cutting tip and cutting element for drilling tool, and drilling tool | Kazuo Yamamoto, Akhmadi Eko Wardoyo | 2009-11-24 |
| 7261753 | Bonding structure and bonding method for cemented carbide element and diamond element, cutting tip and cutting element for drilling tool, and drilling tool | Kazuo Yamamoto, Akhmadi Eko Wardoyo | 2007-08-28 |