Issued Patents All Time
Showing 101–125 of 128 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8822361 | Cubic boron nitride sintered body tool | Katsumi Okamura, Machiko Abe | 2014-09-02 |
| D664168 | Cutting insert | Katsumi Okamura, Shinya Uesaka | 2012-07-24 |
| 8178220 | Surface-covered cubic boron nitride sintered body tool and method of manufacturing the same | Katsumi Okamura, Tomohiro Fukaya | 2012-05-15 |
| 8124553 | Composite sintered body | Katsumi Okamura, Minori TERAMOTO, Tomohiro Fukaya, Katsuko Yamamoto | 2012-02-28 |
| 7985470 | Diamond sintered compact | Yoshihiro Kuroda, Tomohiro Fukaya | 2011-07-26 |
| 7794860 | Surface-coated high hardness material for tool | Katsumi Okamura, Michiko Matsukawa, Mitsuhiro Goto | 2010-09-14 |
| 7771847 | cBN sintered body for high surface integrity machining, cBN sintered body cutting tool, and cutting method using the same | Yoshihiro Kuroda, Tomohiro Fukaya, Katsumi Okamura | 2010-08-10 |
| 7765902 | Cutting tool for high-quality high-efficiency machining and cutting method using the same | Yoshihiro Kuroda, Katsumi Okamura, Tomohiro Fukaya | 2010-08-03 |
| 7758976 | cBN sintered body for high surface integrity machining and cBN sintered body cutting tool | Yoshihiro Kuroda, Tomohiro Fukaya, Katsumi Okamura | 2010-07-20 |
| 7553350 | High-strength and highly-wear-resistant sintered diamond object and manufacturing method of the same | Yoshihiro Kuroda, Tomohiro Fukaya | 2009-06-30 |
| 7524785 | Cubic boron nitride sintered body | Michiko Matsukawa, Tomohiro Fukaya | 2009-04-28 |
| 7524569 | Surface-coated high hardness material for tool | Katsumi Okamura, Michiko Matsukawa, Mitsuhiro Goto | 2009-04-28 |
| 7520701 | Cbn cutting tool for high-quality, high-efficiency cutting | — | 2009-04-21 |
| 7081424 | High-strength, highly thermally conductive sintered compact of cubic boron nitride | Katsumi Okamura, Shinya Uesaka, Tomohiro Fukaya | 2006-07-25 |
| 6962751 | Amorphous carbon coated tools and method of producing the same | Haruyo Fukui, Yoshiharu Utsumi, Miki Irie, Hisanori Ohara, Hideki Moriguchi +4 more | 2005-11-08 |
| 6635593 | High strength sintered impact having excellent resistance to cratering | Tomohiro Fukaya, Junichi Shiraishi, Tetsuo Nakai | 2003-10-21 |
| 6623850 | Tool of a surface-coated boron nitride sintered compact | Michiko Ota, Hisanori Ohara, Haruyo Fukui | 2003-09-23 |
| 6620491 | Tool of a surface-coated boron nitride sintered compact | Michiko Ota, Hisanori Ohara, Haruyo Fukui | 2003-09-16 |
| 6337152 | Cutting tool made of A12O3-coated cBN-based sintered material | Junichi Shiraishi, Tetsuo Nakai | 2002-01-08 |
| 6316094 | Cubic boron nitride sintered body | Tomohiro Fukaya, Junichi Shiraishi | 2001-11-13 |
| 6265337 | High strength sintered body | Tomohiro Fukaya, Junichi Shiraishi, Tetsuo Nakai | 2001-07-24 |
| 6261329 | Diamond sintered body having high strength and high wear resistance, and tool including the same | Yasunobu Ogata, Yasuyuki Kanada, Junichi Shiraishi, Tetsuo Nakai | 2001-07-17 |
| 6008153 | High-pressure phase boron nitride base sinter | Tetsuo Nakai, Junichi Shiraishi, Tomohiro Fukaya, Shinya Uesaka | 1999-12-28 |
| 6001758 | Hard and tough sintered body | Tomohiro Fukaya, Tetsuo Nakai, Junichi Shiraishi, Shinya Uesaka | 1999-12-14 |
| 5882777 | Super hard composite material for tools | Mitsuhiro Goto, Tetsuo Nakai, Makoto Setoyama, Takashi Yoshioka | 1999-03-16 |