Assignee
TOSHIBA TUNGALOY CO LTD
JP·34 granted patents·2 pending applications·902 citations·filing 1983–2004
Top patents by PatentIndex Score
36 records- 0190US4985070AHigh strength nitrogen-containing cermet and process for preparation thereofTOSHIBA TUNGALOY CO LTD·Filed 1989·Granted Jan 15, 1991·46 cites·18 claims
- 0290US4830930ASurface-refined sintered alloy body and method for making the sameTOSHIBA TUNGALOY CO LTD·Filed 1988·Granted May 16, 1989·97 cites·12 claims
- 0389US5993506APlate-crystalline tungsten carbide-containing hard alloy, composition for forming plate-crystalline tungsten carbide and process for preparing said hard alloyTOSHIBA TUNGALOY CO LTD·Filed 1997·Granted Nov 30, 1999·43 cites·13 claims
- 0488US4949511ASuper abrasive grinding tool element and grinding toolTOSHIBA TUNGALOY CO LTD·Filed 1989·Granted Aug 21, 1990·75 cites·3 claims
- 0585US6723389B2Process for producing coated cemented carbide excellent in peel strengthTOSHIBA TUNGALOY CO LTD·Filed 2001·Granted Apr 20, 2004·28 cites·16 claims
- 0684US5238335AReamerTOSHIBA TUNGALOY CO LTD·Filed 1992·Granted Aug 24, 1993·48 cites·10 claims
- 0782US5918103APlate-crystalline tungsten carbide-containing hard alloy, composition for forming plate-crystalline tungsten carbide and process for preparing said hard alloyTOSHIBA TUNGALOY CO LTD·Filed 1996·Granted Jun 29, 1999·31 cites·6 claims
- 0882US4609633ASilicon nitride sintered body and method for preparing the sameTOSHIBA TUNGALOY CO LTD·Filed 1984·Granted Sep 2, 1986·47 cites·6 claims
- 0981US6627335B2Coated cutting tool and method for producing the sameTOSHIBA TUNGALOY CO LTD·Filed 2001·Granted Sep 30, 2003·25 cites·8 claims
- 1081US4545968AMethods for preparing cubic boron nitride sintered body and cubic boron nitride, and method for preparing boron nitride for use in the sameTOSHIBA TUNGALOY CO LTD·Filed 1984·Granted Oct 8, 1985·36 cites·23 claims
- 1180US5223350AMold material for molding of an optical part and process for producing the sameTOSHIBA TUNGALOY CO LTD·Filed 1989·Granted Jun 29, 1993·30 cites·24 claims
- 1278US6284356B1Aluminum oxide-coated tool memberTOSHIBA TUNGALOY CO LTD·Filed 1999·Granted Sep 4, 2001·63 cites·11 claims
- 1377US4731303ACubic boron nitride coated material and producing method of the sameTOSHIBA TUNGALOY CO LTD·Filed 1986·Granted Mar 15, 1988·26 cites·8 claims
- 1476US6589602B2Highly adhesive surface-coated cemented carbide and method for producing the sameTOSHIBA TUNGALOY CO LTD·Filed 2001·Granted Jul 8, 2003·17 cites·18 claims
- 1573US4590034AMethod for preparing sintered body containing cubic boron nitride and method for preparing cubic boron nitrideTOSHIBA TUNGALOY CO LTD·Filed 1985·Granted May 20, 1986·27 cites·10 claims
- 1670US4712334AAnti-clogging device for grinding wheelTOSHIBA TUNGALOY CO LTD·Filed 1986·Granted Dec 15, 1987·22 cites·10 claims
- 1768US5204167ADiamond-coated sintered body excellent in adhesion and process for preparing the sameTOSHIBA TUNGALOY CO LTD·Filed 1991·Granted Apr 20, 1993·34 cites·8 claims
- 1868US4762729AMethod of producing cubic boron nitride coated materialTOSHIBA TUNGALOY CO LTD·Filed 1987·Granted Aug 9, 1988·18 cites·6 claims
- 1965US6379798B1Laminated coated-material for cutting toolTOSHIBA TUNGALOY CO LTD·Filed 1999·Granted Apr 30, 2002·31 cites·20 claims
- 2060US5100703ADiamond-coated sintered body excellent in adhesion and process for preparing the sameTOSHIBA TUNGALOY CO LTD·Filed 1990·Granted Mar 31, 1992·26 cites·8 claims
- 2158US5411571AHard sintered alloy having fine pores and process for preparing the sameTOSHIBA TUNGALOY CO LTD·Filed 1993·Granted May 2, 1995·16 cites·20 claims
- 2256US6824823B2Coated cutting tool and method for producing the sameTOSHIBA TUNGALOY CO LTD·Filed 2003·Granted Nov 30, 2004·3 cites·7 claims
- 2356US5127949AWet friction materialTOSHIBA TUNGALOY CO LTD·Filed 1990·Granted Jul 7, 1992·16 cites·11 claims
- 2455US7070643B2Compositionally graded sintered alloy and method of producing the sameTOSHIBA TUNGALOY CO LTD·Filed 2004·Granted Jul 4, 2006·3 cites·9 claims
- 2553US4786448APlastic processing method of pressure or pressureless sintered ceramic bodyTOSHIBA TUNGALOY CO LTD·Filed 1986·Granted Nov 22, 1988·16 cites·6 claims
- 2650US5145505AHigh toughness cermet and process for preparing the sameTOSHIBA TUNGALOY CO LTD·Filed 1992·Granted Sep 8, 1992·10 cites·6 claims
- 2749US4963321ASurface refined sintered alloy and process for producing the same and coated surface refined sintered alloy comprising rigid film coated on the alloyTOSHIBA TUNGALOY CO LTD·Filed 1989·Granted Oct 16, 1990·10 cites·3 claims
- 2848US4990410ACoated surface refined sintered alloyTOSHIBA TUNGALOY CO LTD·Filed 1989·Granted Feb 5, 1991·11 cites·9 claims
- 2946US5890853ADrill and drill tipTOSHIBA TUNGALOY CO LTD·Filed 1997·Granted Apr 6, 1999·22 cites·9 claims
- 3045US4687388ADrill bitTOSHIBA TUNGALOY CO LTD·Filed 1986·Granted Aug 18, 1987·11 cites·6 claims
- 3145US2004079191A1Hard alloy and W-based composite carbide powder used as starting materialTOSHIBA TUNGALOY CO LTD·Filed 2003·Application pending·0 cites
- 3233US2003022029A1Surface coated sintered alloy memberTOSHIBA TUNGALOY CO LTD·Filed 2001·Application pending·0 cites
- 3331US5306320AStoichiometric B1-type tantalum nitride and a sintered body thereof and method of synthesizing the B1-type tantalum nitrideTOSHIBA TUNGALOY CO LTD·Filed 1992·Granted Apr 26, 1994·2 cites·24 claims
- 3430US4484498AQuick-change toolTOSHIBA TUNGALOY CO LTD·Filed 1983·Granted Nov 27, 1984·7 cites·17 claims
- 3529US4702769ASintered alloy for decorationTOSHIBA TUNGALOY CO LTD·Filed 1983·Granted Oct 27, 1987·5 cites·8 claims
- 3628US5201923AStoichiometric b1-type tantalum nitride and a sintered body thereof and method of synthesizing the b1-type tantalum nitrideTOSHIBA TUNGALOY CO LTD·Filed 1991·Granted Apr 13, 1993·0 cites·19 claims
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