Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596156 | Sintered body for high-hardness tools | Tomohiro Fukaya | 1997-01-21 |
| 5495126 | Polycrystalline diamond heat sink having major surfaces electrically insulated from each other | Takahisa Iguchi, Tsutomu Nakamura | 1996-02-27 |
| 5395700 | Hard sintered compact for tools | Mitsuhiro Goto | 1995-03-07 |
| 5366522 | Polycrystalline diamond cutting tool and method of manufacturing the same | Tsutomu Nakamura, Yasuyuki Kanada | 1994-11-22 |
| 5348808 | Hard sintered body cutting tool | Mitsuhiro Goto | 1994-09-20 |
| 5299214 | Heat radiating component and semiconductor device provided with the same | Tsutomu Nakamura, Takahisa Iguchi | 1994-03-29 |
| 5294381 | Method of manufacturing a diamond heat sink | Takahisa Iguchi, Tsutomu Nakamura | 1994-03-15 |
| 5178645 | Cutting tool of polycrystalline diamond and method of manufacturing the same | Tsutomu Nakamura | 1993-01-12 |
| 5092920 | Sintered body for high-accuracy working tools | Mitsuhiro Goto, Tomohiro Fukaya | 1992-03-03 |
| 5041399 | Hard sintered body for tools | Tomohiro Fukaya, Mitsuhiro Goto | 1991-08-20 |
| 5037704 | Hard sintered compact for a tool | Akio Hara, Mitsuhiro Goto | 1991-08-06 |
| 5034053 | Hard sintered compact for tools | Mitsuhiro Goto | 1991-07-23 |
| 5020394 | Polycrystal diamond fluted tool and a process for the production of the same | Tsutomu Nakamura | 1991-06-04 |
| 4950557 | Composite tool and a process for the production of the same | Akio Hara, Shuji Yazu | 1990-08-21 |
| 4911756 | Hard sintered compact for tools | Mitsuhiro Goto | 1990-03-27 |
| 4890782 | Process for the production of a composite tool | Akio Hara, Shuji Yazu | 1990-01-02 |
| 4828611 | High hardness sintered compact and process for producing the same | Syuzi Yazu, Keizo Asai, Yoshiaki Kumazawa | 1989-05-09 |
| 4693746 | Cubic boron nitride sintered compact for end mill | Mitsuhiro Goto | 1987-09-15 |
| 4636253 | Diamond sintered body for tools and method of manufacturing same | Shuji Yazu | 1987-01-13 |
| 4505746 | Diamond for a tool and a process for the production of the same | Shuji Yazu | 1985-03-19 |
| 4403015 | Compound sintered compact for use in a tool and the method for producing the same | Shuji Yazu, Akio Hara | 1983-09-06 |
| 4389465 | Sintered compact for use in a tool and the method for producing the same | Yuichiro Kono, Shuji Yazu, Akio Hara | 1983-06-21 |