Inventor · disambiguated record
Tetsuo Nakai
Also filed as: NAKAI TETSUO
47 granted patents·2,728 citations·filing 1981–2013
99Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES44ISHII TOMONORI1MORINAGA MILK INDUSTRY CO LTD1SUMITMO ELECTRIC IND LTD1
Top patents by PatentIndex Score
47 records- 0199US4636253ADiamond sintered body for tools and method of manufacturing sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1985·Granted Jan 13, 1987·308 cites·33 claims
- 0298US5037704AHard sintered compact for a toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1986·Granted Aug 6, 1991·142 cites·11 claims
- 0398US4505746ADiamond for a tool and a process for the production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1982·Granted Mar 19, 1985·143 cites·35 claims
- 0498US4403015ACompound sintered compact for use in a tool and the method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1981·Granted Sep 6, 1983·185 cites·13 claims
- 0597US5934542AHigh strength bonding tool and a process for production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Aug 10, 1999·151 cites·15 claims
- 0696US5700551ALayered film made of ultrafine particles and a hard composite material for tools possessing the filmSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Dec 23, 1997·162 cites·31 claims
- 0795US6737178B2Coated PCBN cutting toolsSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted May 18, 2004·92 cites·13 claims
- 0895US5712030ASintered body insert for cutting and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jan 27, 1998·156 cites·20 claims
- 0994US6302225B1Polycrystal diamond toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Oct 16, 2001·101 cites·6 claims
- 1094US6155755AHard sintered body toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Dec 5, 2000·89 cites·16 claims
- 1194US5882777ASuper hard composite material for toolsSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Mar 16, 1999·104 cites·19 claims
- 1293US5020394APolycrystal diamond fluted tool and a process for the production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1989·Granted Jun 4, 1991·48 cites·18 claims
- 1391US6261329B1Diamond sintered body having high strength and high wear resistance, and tool including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Jul 17, 2001·54 cites·9 claims
- 1491US5853873AHard composite material for toolsSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Dec 29, 1998·75 cites·22 claims
- 1590US6337152B1Cutting tool made of A12O3-coated cBN-based sintered materialSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jan 8, 2002·42 cites·8 claims
- 1689US5178645ACutting tool of polycrystalline diamond and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Jan 12, 1993·66 cites·45 claims
- 1788US5759216ADiamond sintered body having high strength and high wear-resistance and manufacturing method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Jun 2, 1998·100 cites·17 claims
- 1887US5366522APolycrystalline diamond cutting tool and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Nov 22, 1994·64 cites·39 claims
- 1987US4911756AHard sintered compact for toolsSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Mar 27, 1990·51 cites·16 claims
- 2082US6342301B1Diamond sintered compact and a process for the production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Jan 29, 2002·64 cites·6 claims
- 2179US6528159B1Sintered diamond tool and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Mar 4, 2003·35 cites·36 claims
- 2279US5294381AMethod of manufacturing a diamond heat sinkSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Mar 15, 1994·54 cites·10 claims
- 2378US6001758AHard and tough sintered bodySUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Dec 14, 1999·36 cites·18 claims
- 2478US4693746ACubic boron nitride sintered compact for end millSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Sep 15, 1987·24 cites·9 claims
- 2578US4389465ASintered compact for use in a tool and the method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1982·Granted Jun 21, 1983·31 cites·5 claims
- 2675US5092920ASintered body for high-accuracy working toolsSUMITOMO ELECTRIC INDUSTRIES·Filed 1989·Granted Mar 3, 1992·22 cites·12 claims
- 2773US6358624B1Polycrystal diamond toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Mar 19, 2002·12 cites·9 claims
- 2872US6008153AHigh-pressure phase boron nitride base sinterSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Dec 28, 1999·27 cites·22 claims
- 2972US5041399AHard sintered body for toolsSUMITOMO ELECTRIC INDUSTRIES·Filed 1989·Granted Aug 20, 1991·20 cites·6 claims
- 3070US4890782AProcess for the production of a composite toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Jan 2, 1990·21 cites·5 claims
- 3169US4950557AComposite tool and a process for the production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Aug 21, 1990·20 cites·5 claims
- 3268US5299214AHeat radiating component and semiconductor device provided with the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Mar 29, 1994·41 cites·17 claims
- 3366US8556105B2Packaging material and packed product in which viscous product is packed by packaging materialISHII TOMONORI·Filed 2009·Granted Oct 15, 2013·6 cites·4 claims
- 3466US6635593B1High strength sintered impact having excellent resistance to crateringSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Oct 21, 2003·11 cites·4 claims
- 3564US6265337B1High strength sintered bodySUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Jul 24, 2001·19 cites·4 claims
- 3661US5653376AHigh strength bonding tool and a process for the production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Aug 5, 1997·18 cites·28 claims
- 3760US7528413B2Sintered diamond having high thermal conductivity and method for producing the same and heat sink employing itSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted May 5, 2009·12 cites·19 claims
- 3860US5495126APolycrystalline diamond heat sink having major surfaces electrically insulated from each otherSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Feb 27, 1996·24 cites·20 claims
- 3959US6001757AHard sintered body for toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Dec 14, 1999·16 cites·21 claims
- 4058US5034053AHard sintered compact for toolsSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Jul 23, 1991·18 cites·12 claims
- 4156US5395700AHard sintered compact for toolsSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Mar 7, 1995·16 cites·7 claims
- 4252US9193502B2Packaging material and packed product in which viscous product is packed by packaging materialMORINAGA MILK INDUSTRY CO LTD·Filed 2013·Granted Nov 24, 2015·0 cites·9 claims
- 4351US6065377AMethod of cutting hardened steel with high accuracySUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted May 23, 2000·15 cites·4 claims
- 4450US5348808AHard sintered body cutting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Sep 20, 1994·10 cites·4 claims
- 4548US4828611AHigh hardness sintered compact and process for producing the sameSUMITMO ELECTRIC IND LTD·Filed 1987·Granted May 9, 1989·14 cites·2 claims
- 4641US5890847ACutting tool for millingSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Apr 6, 1999·8 cites·7 claims
- 4732US5596156ASintered body for high-hardness toolsSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jan 21, 1997·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →