Assignee
NAT INST RES INORGANIC MAT
JP·43 granted patents·1 pending application·988 citations·filing 1984–2002
Top patents by PatentIndex Score
44 records- 0197US6737378B2Silicon nitride sintered products and processes for their productionNAT INST RES INORGANIC MAT·Filed 2002·Granted May 18, 2004·93 cites·7 claims
- 0297US6579819B2Silicon nitride sintered products and processes for their productionNAT INST RES INORGANIC MAT·Filed 2001·Granted Jun 17, 2003·93 cites·11 claims
- 0394US4767608AMethod for synthesizing diamond by using plasmaNAT INST RES INORGANIC MAT·Filed 1987·Granted Aug 30, 1988·157 cites·14 claims
- 0493US5591685ASuperplastic silicon carbide sintered bodyNAT INST RES INORGANIC MAT·Filed 1995·Granted Jan 7, 1997·105 cites·16 claims
- 0591US4957591AMethod for preparing needle-like, fibrous or porous diamond, or an aggregate thereofNAT INST RES INORGANIC MAT·Filed 1988·Granted Sep 18, 1990·83 cites·12 claims
- 0686US4989542AApparatus for synthesizing diamondNAT INST RES INORGANIC MAT·Filed 1988·Granted Feb 5, 1991·42 cites·8 claims
- 0784US6673330B1Single crystal of lithium niobate or tantalate and its optical element, and process and apparatus for producing an oxide single crystalNAT INST RES INORGANIC MAT·Filed 2000·Granted Jan 6, 2004·19 cites·18 claims
- 0884US6464777B2Single crystal of lithium niobate or tantalate and its optical element, and process and apparatus for producing an oxide single crystalNAT INST RES INORGANIC MAT·Filed 2001·Granted Oct 15, 2002·19 cites·10 claims
- 0982US5961717ASynthesis of phosphorus-doped diamondNAT INST RES INORGANIC MAT·Filed 1997·Granted Oct 5, 1999·42 cites·9 claims
- 1080US5863514AThin fragmental titanium oxide and porous body as an aggregate thereof, and methods for their productionNAT INST RES INORGANIC MAT·Filed 1996·Granted Jan 26, 1999·38 cites·5 claims
- 1180US5096642AProcess for producing a high density ceramic of perovskiteNAT INST RES INORGANIC MAT·Filed 1987·Granted Mar 17, 1992·24 cites·12 claims
- 1273US6838160B2Titania ultrathin film and method for producing itNAT INST RES INORGANIC MAT·Filed 2001·Granted Jan 4, 2005·16 cites·15 claims
- 1372US6383465B1Cubic boron nitride and its gas phase synthesis methodNAT INST RES INORGANIC MAT·Filed 2000·Granted May 7, 2002·24 cites·7 claims
- 1466US6747787B2Optically functional device, single crystal substrate for the device and method for its useNAT INST RES INORGANIC MAT·Filed 2001·Granted Jun 8, 2004·10 cites·5 claims
- 1563US6624923B2Optically functional device, single crystal substrate for the device and method for its useNAT INST RES INORGANIC MAT·Filed 2001·Granted Sep 23, 2003·8 cites·7 claims
- 1660US6589899B2Spinel type sialon, spinel type silicon oxynitride and methods for producing their powdersNAT INST RES INORGANIC MAT·Filed 2001·Granted Jul 8, 2003·6 cites·15 claims
- 1760US6338877B1Method for rapidly imparting hydrophobicity to a hydrophilicity-imparted oxide solid surfaceNAT INST RES INORGANIC MAT·Filed 2000·Granted Jan 15, 2002·8 cites·4 claims
- 1859US4875967AMethod for growing a single crystal of cubic boron nitride semiconductor and method for forming a p-n junction thereof, and light emitting elementNAT INST RES INORGANIC MAT·Filed 1988·Granted Oct 24, 1989·17 cites·11 claims
- 1958US6544426B2Method of quickly decomposing and removing an organic chlorine compound by a hollandite-type photocatalystNAT INST RES INORGANIC MAT·Filed 2001·Granted Apr 8, 2003·3 cites·21 claims
- 2058US5904912AIron-doped lithium niobate single crystal, method for heat treatment thereof and hologram-application element containing the single crystalNAT INST RES INORGANIC MAT·Filed 1997·Granted May 18, 1999·14 cites·4 claims
- 2158US5238527ALanthanum boride type single crystal and method for growing the sameNAT INST RES INORGANIC MAT·Filed 1991·Granted Aug 24, 1993·13 cites·6 claims
- 2256US5690732AMethod of automatically growing a single crystalNAT INST RES INORGANIC MAT·Filed 1992·Granted Nov 25, 1997·12 cites·4 claims
- 2355US5493984ATerbium aluminate and method for its productionNAT INST RES INORGANIC MAT·Filed 1994·Granted Feb 27, 1996·14 cites·19 claims
- 2452US5840268AMethod for preparing an ultrafine powderNAT INST RES INORGANIC MAT·Filed 1996·Granted Nov 24, 1998·20 cites·12 claims
- 2551US4981671AMethod for preparing diamond or diamond-like carbon by combustion flameNAT INST RES INORGANIC MAT·Filed 1989·Granted Jan 1, 1991·10 cites·4 claims
- 2644US5837165ARare earth hexaboride electron-emitting materialNAT INST RES INORGANIC MAT·Filed 1996·Granted Nov 17, 1998·6 cites·4 claims
- 2744US5286533AMethod of making hard boron nitride by a plasma CVD method employing beam irradiationNAT INST RES INORGANIC MAT·Filed 1993·Granted Feb 15, 1994·14 cites·2 claims
- 2844US4818735ATetragonal system tunnel-structured compound AX(GA8MYGA(8+X)-YTI16-X0 56), and cation conductor and heat insulating material composed thereofNAT INST RES INORGANIC MAT·Filed 1987·Granted Apr 4, 1989·8 cites·14 claims
- 2943US5602062AMethod for preparing a boron nitride compositeNAT INST RES INORGANIC MAT·Filed 1995·Granted Feb 11, 1997·10 cites·4 claims
- 3042US5514210AApatite-organic material complex and process for its productionNAT INST RES INORGANIC MAT·Filed 1994·Granted May 7, 1996·9 cites·9 claims
- 3140US6228501B1Porous body of polysaccharide or polysaccharide-clay composite, and process for its productionNAT INST RES INORGANIC MAT·Filed 1995·Granted May 8, 2001·10 cites·11 claims
- 3240US5066404AMethod for separating sodium and potassium by ion exchangeNAT INST RES INORGANIC MAT·Filed 1990·Granted Nov 19, 1991·5 cites·2 claims
- 3340US5043231AGadolinium-lutetium-gallium garnet crystal, process for its production and substrate for magneto-optical device made thereofNAT INST RES INORGANIC MAT·Filed 1989·Granted Aug 27, 1991·7 cites·6 claims
- 3439US4794094AProcess for producing and product of a machinable crystallized glass having needle-like crystals precipitated thereinNAT INST RES INORGANIC MAT·Filed 1987·Granted Dec 27, 1988·11 cites·4 claims
- 3537US6592841B2Adsorbent for nitrogen oxides and its treatment methodNAT INST RES INORGANIC MAT·Filed 2001·Granted Jul 15, 2003·0 cites·6 claims
- 3637US5336362AMethod for preparing yttrium 66 boride crystal for soft x-ray monochromatorNAT INST RES INORGANIC MAT·Filed 1992·Granted Aug 9, 1994·5 cites·1 claims
- 3734US7041262B2Method for separating metal ionsNAT INST RES INORGANIC MAT·Filed 2002·Granted May 9, 2006·0 cites·9 claims
- 3833US4579704AProcess for sintering cubic system silicon carbide powderNAT INST RES INORGANIC MAT·Filed 1984·Granted Apr 1, 1986·5 cites·6 claims
- 3932US5414279AcBN semiconductor device having an ohmic electrode and a method of making the sameNAT INST RES INORGANIC MAT·Filed 1993·Granted May 9, 1995·4 cites·6 claims
- 4031US5720883ABismuth lead compoundNAT INST RES INORGANIC MAT·Filed 1996·Granted Feb 24, 1998·0 cites·14 claims
- 4131US5672553ASuperplastic silicon nitride sintered bodyNAT INST RES INORGANIC MAT·Filed 1996·Granted Sep 30, 1997·3 cites·6 claims
- 4230US2002070171A1Method for separating metal ionsNAT INST RES INORGANIC MAT·Filed 2001·Application pending·0 cites
- 4329US6027670ARare earth hexaboride electron-emitting materialNAT INST RES INORGANIC MAT·Filed 1998·Granted Feb 22, 2000·1 cites·14 claims
- 4424US5444017AMethod of making cBN semiconductor device having an ohmic electrodeNAT INST RES INORGANIC MAT·Filed 1994·Granted Aug 22, 1995·0 cites·11 claims
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