Assignee
MITSUBISHI METAL CORP
JP·244 granted patents·6,103 citations·filing 1974–1992
Top patents by PatentIndex Score
244 records- 0196US4981532ARare earth-iron-boron magnet powder and process of producing sameMITSUBISHI METAL CORP·Filed 1988·Granted Jan 1, 1991·73 cites·8 claims
- 0296US4668501AProcess for preparing a titanium oxide powderMITSUBISHI METAL CORP·Filed 1984·Granted May 26, 1987·54 cites·4 claims
- 0396US4642003ARotary cutting tool of cemented carbideMITSUBISHI METAL CORP·Filed 1984·Granted Feb 10, 1987·88 cites·6 claims
- 0495US4889170AHigh strength Ti alloy material having improved workability and process for producing the sameMITSUBISHI METAL CORP·Filed 1986·Granted Dec 26, 1989·77 cites·4 claims
- 0595US4431764AAntistatic transparent coating compositionMITSUBISHI METAL CORP·Filed 1982·Granted Feb 14, 1984·126 cites·12 claims
- 0695US4373013AElectroconductive powder and process for production thereofMITSUBISHI METAL CORP·Filed 1980·Granted Feb 8, 1983·76 cites·6 claims
- 0794US4930945AInsert rotary cutterMITSUBISHI METAL CORP·Filed 1989·Granted Jun 5, 1990·88 cites·18 claims
- 0894US4699549AInsert rotary cutterMITSUBISHI METAL CORP·Filed 1986·Granted Oct 13, 1987·90 cites·20 claims
- 0994US4452830AElectroconductive powder and process for production thereofMITSUBISHI METAL CORP·Filed 1982·Granted Jun 5, 1984·66 cites·6 claims
- 1094US4329195ALateral pulling growth of crystal ribbonsMITSUBISHI METAL CORP·Filed 1977·Granted May 11, 1982·79 cites·31 claims
- 1193US4981549AMethod and apparatus for growing silicon crystalsMITSUBISHI METAL CORP·Filed 1989·Granted Jan 1, 1991·98 cites·1 claims
- 1293US4727740AThermal and wear resistant tough nickel based alloy guide rollsMITSUBISHI METAL CORP·Filed 1982·Granted Mar 1, 1988·54 cites·16 claims
- 1393US3950180AColoring compositesMITSUBISHI METAL CORP·Filed 1974·Granted Apr 13, 1976·45 cites·5 claims
- 1492US5230593ATwist drillMITSUBISHI METAL CORP·Filed 1992·Granted Jul 27, 1993·93 cites·41 claims
- 1592US4983079ATwist drillMITSUBISHI METAL CORP·Filed 1988·Granted Jan 8, 1991·61 cites·27 claims
- 1691US5068148ADiamond-coated tool member, substrate thereof and method for producing sameMITSUBISHI METAL CORP·Filed 1989·Granted Nov 26, 1991·82 cites·3 claims
- 1791US4966500AFace milling cutter with cutter insertsMITSUBISHI METAL CORP·Filed 1988·Granted Oct 30, 1990·62 cites·24 claims
- 1891US4944650AApparatus for detecting and centering waferMITSUBISHI METAL CORP·Filed 1988·Granted Jul 31, 1990·123 cites·5 claims
- 1991US4731296ADiamond-coated tungsten carbide-base sintered hard alloy material for insert of a cutting toolMITSUBISHI METAL CORP·Filed 1987·Granted Mar 15, 1988·105 cites·6 claims
- 2091US4587174ATungsten cermetMITSUBISHI METAL CORP·Filed 1983·Granted May 6, 1986·54 cites·12 claims
- 2191US4169728ACorrosion resistant bright aluminum alloy for die-castingMITSUBISHI METAL CORP·Filed 1978·Granted Oct 2, 1979·38 cites·2 claims
- 2290US5056705AMethod of manufacturing golf club headMITSUBISHI METAL CORP·Filed 1990·Granted Oct 15, 1991·145 cites·9 claims
- 2390US4693641AEnd mill with throw-away tipMITSUBISHI METAL CORP·Filed 1985·Granted Sep 15, 1987·50 cites·27 claims
- 2490US4632806ACopper alloy having high resistance to oxidation for use in leads on semiconductor devicesMITSUBISHI METAL CORP·Filed 1984·Granted Dec 30, 1986·34 cites·2 claims
- 2590US4547470ASialon-base ceramic materials excellent in wear resistanceMITSUBISHI METAL CORP·Filed 1984·Granted Oct 15, 1985·72 cites·10 claims
- 2689US5018379AApparatus and method for crimping end of can bodyMITSUBISHI METAL CORP·Filed 1990·Granted May 28, 1991·56 cites·16 claims
- 2789US4636252AMethod of manufacturing a high toughness cermet for use in cutting toolsMITSUBISHI METAL CORP·Filed 1984·Granted Jan 13, 1987·51 cites·15 claims
- 2888US4971021AApparatus for cutting semiconductor crystalMITSUBISHI METAL CORP·Filed 1988·Granted Nov 20, 1990·73 cites·7 claims
- 2987US4264407ALateral pulling growth of crystal ribbons and apparatus thereforMITSUBISHI METAL CORP·Filed 1977·Granted Apr 28, 1981·44 cites·6 claims
- 3087US3950166AProcess for producing a sintered article of a titanium alloyMITSUBISHI METAL CORP·Filed 1974·Granted Apr 13, 1976·34 cites·16 claims
- 3186US4565471ADrill bitMITSUBISHI METAL CORP·Filed 1982·Granted Jan 21, 1986·43 cites·14 claims
- 3286US4539251ASurface coated Sialon-base ceramic materials for toolsMITSUBISHI METAL CORP·Filed 1984·Granted Sep 3, 1985·56 cites·19 claims
- 3386US4525434ACopper alloy having high resistance to oxidation for use in leads on semiconductor devices and clad material containing said alloyMITSUBISHI METAL CORP·Filed 1983·Granted Jun 25, 1985·28 cites·2 claims
- 3485US5017055AIndexable cutter insertMITSUBISHI METAL CORP·Filed 1989·Granted May 21, 1991·45 cites·2 claims
- 3585US5002647AProcess for preparation of thick films by electrophoresisMITSUBISHI METAL CORP·Filed 1989·Granted Mar 26, 1991·36 cites·5 claims
- 3685US4943321ASynchronizer ring in speed variator made of iron-base sintered alloyMITSUBISHI METAL CORP·Filed 1988·Granted Jul 24, 1990·34 cites·26 claims
- 3785US4898499ABall end millMITSUBISHI METAL CORP·Filed 1988·Granted Feb 6, 1990·46 cites·13 claims
- 3884US5069741AMethod of manufacturing quartz double crucible assemblyMITSUBISHI METAL CORP·Filed 1989·Granted Dec 3, 1991·32 cites·7 claims
- 3984US4949034AMethod for contactless evaluation of characteristics of semiconductor wafers and devicesMITSUBISHI METAL CORP·Filed 1989·Granted Aug 14, 1990·45 cites·28 claims
- 4084US4934881ABall end millMITSUBISHI METAL CORP·Filed 1989·Granted Jun 19, 1990·49 cites·4 claims
- 4184US4874439ASynchronizer ring in speed variator made of wear-resistant copper alloy having high strength and toughnessMITSUBISHI METAL CORP·Filed 1988·Granted Oct 17, 1989·33 cites·10 claims
- 4283US4919573ABall end millMITSUBISHI METAL CORP·Filed 1988·Granted Apr 24, 1990·41 cites·7 claims
- 4383US4851098AApparatus for hanging and handling plate membersMITSUBISHI METAL CORP·Filed 1988·Granted Jul 25, 1989·41 cites·10 claims
- 4483US4341834ACoated super-hard alloy articlesMITSUBISHI METAL CORP·Filed 1979·Granted Jul 27, 1982·34 cites·4 claims
- 4582US5066553ASurface-coated tool member of tungsten carbide based cemented carbideMITSUBISHI METAL CORP·Filed 1990·Granted Nov 19, 1991·46 cites·6 claims
- 4682US4832912AThermal and wear resistant tough alloyMITSUBISHI METAL CORP·Filed 1987·Granted May 23, 1989·30 cites·58 claims
- 4782US4748361APermanent magnet electric motorMITSUBISHI METAL CORP·Filed 1986·Granted May 31, 1988·53 cites·6 claims
- 4882US4616962ACutter insertMITSUBISHI METAL CORP·Filed 1985·Granted Oct 14, 1986·45 cites·4 claims
- 4982US4450205ASurface-coated blade member of super hard alloy for cutting tools and process for producing sameMITSUBISHI METAL CORP·Filed 1982·Granted May 22, 1984·40 cites·6 claims
- 5082US4226834ALateral pulling growth of crystal ribbons and apparatus thereforMITSUBISHI METAL CORP·Filed 1977·Granted Oct 7, 1980·35 cites·3 claims
Showing the top 50 of 244 patent records by PatentIndex Score.
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