Assignee
RIKAGAKU KENKYUSHO
JP·192 granted patents·3 pending applications·3,486 citations·filing 1970–2007
Top patents by PatentIndex Score
195 records- 0196US5819008AMobile robot sensor systemRIKAGAKU KENKYUSHO·Filed 1996·Granted Oct 6, 1998·352 cites·20 claims
- 0292US7531076B2Capillary cassette and method of manufacturing the sameRIKAGAKU KENKYUSHO·Filed 2006·Granted May 12, 2009·16 cites·4 claims
- 0391US5640112AClock signal distributing systemRIKAGAKU KENKYUSHO·Filed 1994·Granted Jun 17, 1997·70 cites·18 claims
- 0490US6372437B2Method for improving heat stability of RNARIKAGAKU KENKYUSHO·Filed 2001·Granted Apr 16, 2002·18 cites·6 claims
- 0590US6180050B1Optical formation device and methodRIKAGAKU KENKYUSHO·Filed 1998·Granted Jan 30, 2001·79 cites·28 claims
- 0689US4353033AMagnetic pole structure of an isochronous-cyclotronRIKAGAKU KENKYUSHO·Filed 1980·Granted Oct 5, 1982·59 cites·11 claims
- 0787US5856100AMethod for purification and transfer to separation/detection systems of DNA sequencing samples and plates used thereforRIKAGAKU KENKYUSHO·Filed 1996·Granted Jan 5, 1999·75 cites·14 claims
- 0886US4749912AIon-producing apparatusRIKAGAKU KENKYUSHO·Filed 1987·Granted Jun 7, 1988·40 cites·13 claims
- 0986US4599233AAgricultural and horticultural fungicide and fruit storage disease preventing agent and process for production thereofRIKAGAKU KENKYUSHO·Filed 1984·Granted Jul 8, 1986·63 cites·12 claims
- 1085US4624922APlasmid, method for construction of the same, microorganism carrying the plasmid and method for cultivation of the microorganismRIKAGAKU KENKYUSHO·Filed 1984·Granted Nov 25, 1986·50 cites·15 claims
- 1185US4308370APiezoelectric and pyroelectric polymer film and process for preparing sameRIKAGAKU KENKYUSHO·Filed 1980·Granted Dec 29, 1981·43 cites·9 claims
- 1284US5929778AData carrier systemRIKAGAKU KENKYUSHO·Filed 1995·Granted Jul 27, 1999·125 cites·18 claims
- 1384US5780070AApparatus for solidifying and shaping optically cured fluid by carrying out scanning simultaneously with recoatingRIKAGAKU KENKYUSHO·Filed 1997·Granted Jul 14, 1998·56 cites·20 claims
- 1484US3949188AMethod and apparatus for operating an arc-transfer type torchRIKAGAKU KENKYUSHO·Filed 1974·Granted Apr 6, 1976·36 cites·5 claims
- 1583US4443323AProcess for the oil extraction from oil sand by using cyclodextrin and hydrocarbon solventsRIKAGAKU KENKYUSHO·Filed 1983·Granted Apr 17, 1984·30 cites·24 claims
- 1682US6013488AMethod for reverse transcriptionRIKAGAKU KENKYUSHO·Filed 1997·Granted Jan 11, 2000·40 cites·8 claims
- 1782US5917002APoly(3-hydroxybutanoic acid) filmRIKAGAKU KENKYUSHO·Filed 1997·Granted Jun 29, 1999·32 cites·6 claims
- 1882US4052262APreparation of an alkaline proteaseRIKAGAKU KENKYUSHO·Filed 1970·Granted Oct 4, 1977·30 cites·4 claims
- 1981US6461492B1Capillary electrophoretic apparatusRIKAGAKU KENKYUSHO·Filed 1999·Granted Oct 8, 2002·53 cites·6 claims
- 2081US5946090ASpectrometric method and apparatus for spectrometryRIKAGAKU KENKYUSHO·Filed 1997·Granted Aug 31, 1999·65 cites·19 claims
- 2181US4303787AProcess for recovering cyclodextrinsRIKAGAKU KENKYUSHO·Filed 1980·Granted Dec 1, 1981·25 cites·8 claims
- 2280US4259209ACatalyst for concentrating hydrogen isotopes and process for producing a support thereforRIKAGAKU KENKYUSHO·Filed 1979·Granted Mar 31, 1981·31 cites·16 claims
- 2380US4212664ANicotinamide-ammonium hydroxide plant growth regulator compositionsRIKAGAKU KENKYUSHO·Filed 1979·Granted Jul 15, 1980·12 cites·6 claims
- 2479US5123950ACoated agricultural chemicalsRIKAGAKU KENKYUSHO·Filed 1990·Granted Jun 23, 1992·30 cites·9 claims
- 2579US5102800AMethod for preparing novel cyclomaltodextrin gluccanotransferaseRIKAGAKU KENKYUSHO·Filed 1991·Granted Apr 7, 1992·60 cites·3 claims
- 2679US4117340AElectron beam exposure systemRIKAGAKU KENKYUSHO·Filed 1977·Granted Sep 26, 1978·16 cites·9 claims
- 2778US6017743ASiaα 2,3, Galβ 1, 4Glc NAcα 2,8-sialyltransferaseRIKAGAKU KENKYUSHO·Filed 1997·Granted Jan 25, 2000·53 cites·11 claims
- 2878US5943134AMethod of measuring thickness and refractive indices of component layers of laminated structure and measuring apparatus for carrying out the sameRIKAGAKU KENKYUSHO·Filed 1997·Granted Aug 24, 1999·58 cites·6 claims
- 2978US4182958AMethod and apparatus for projecting a beam of electrically charged particlesRIKAGAKU KENKYUSHO·Filed 1978·Granted Jan 8, 1980·19 cites·5 claims
- 3076US5919012AMethod of high speed cutting mold and ultra-high speed milling machineRIKAGAKU KENKYUSHO·Filed 1996·Granted Jul 6, 1999·40 cites·11 claims
- 3176US5547414AMethod and apparatus for grinding with electrolytic dressingRIKAGAKU KENKYUSHO·Filed 1994·Granted Aug 20, 1996·30 cites·15 claims
- 3276US3947589AFungicidal methods employing amino acid derivativesRIKAGAKU KENKYUSHO·Filed 1974·Granted Mar 30, 1976·44 cites·7 claims
- 3375US4135977AProcess for production of cyclodextrinRIKAGAKU KENKYUSHO·Filed 1977·Granted Jan 23, 1979·19 cites·3 claims
- 3474US6224469B1Combined cutting and grinding toolRIKAGAKU KENKYUSHO·Filed 1998·Granted May 1, 2001·46 cites·4 claims
- 3574US6224861B1Amino acid compositionRIKAGAKU KENKYUSHO·Filed 1998·Granted May 1, 2001·38 cites·8 claims
- 3674US6190910B1Mouse embryonic stem cell linesRIKAGAKU KENKYUSHO·Filed 1999·Granted Feb 20, 2001·42 cites·2 claims
- 3774US4561779AInstrument for measuring concentration of substance in suspensionRIKAGAKU KENKYUSHO·Filed 1983·Granted Dec 31, 1985·34 cites·5 claims
- 3873US6458556B1Method for enhancing enzyme activity at elevated temperatureRIKAGAKU KENKYUSHO·Filed 1997·Granted Oct 1, 2002·24 cites·14 claims
- 3973US5981257APolyester synthase gene and process for producing polyesterRIKAGAKU KENKYUSHO·Filed 1997·Granted Nov 9, 1999·30 cites·13 claims
- 4072US6432278B2Method for controlling refractive index of silica glassRIKAGAKU KENKYUSHO·Filed 2001·Granted Aug 13, 2002·11 cites·14 claims
- 4172US5043283AFluidized bed cell culture apparatus with a drain valve for the removal of support materialRIKAGAKU KENKYUSHO·Filed 1987·Granted Aug 27, 1991·19 cites·10 claims
- 4271US5991703AMethod of synthesizing measurement data of free-form surfaceRIKAGAKU KENKYUSHO·Filed 1998·Granted Nov 23, 1999·49 cites·4 claims
- 4370US5835512AWavelength selecting method in wavelength tunable laser and wavelength selectable laser oscillator in wavelength tunable laserRIKAGAKU KENKYUSHO·Filed 1996·Granted Nov 10, 1998·34 cites·12 claims
- 4470US4501161AAutosamplerRIKAGAKU KENKYUSHO·Filed 1983·Granted Feb 26, 1985·25 cites·3 claims
- 4569US6456636B1Ultraviolet electroluminescent element and laser luminescent elementRIKAGAKU KENKYUSHO·Filed 2000·Granted Sep 24, 2002·10 cites·16 claims
- 4669US4983636AComposition and method of treating selected malignant conditionsRIKAGAKU KENKYUSHO·Filed 1988·Granted Jan 8, 1991·18 cites·14 claims
- 4769US4670290AMultiple torch type plasma spray coating method and apparatus thereforRIKAGAKU KENKYUSHO·Filed 1986·Granted Jun 2, 1987·27 cites·16 claims
- 4868US6174669B1Method for making full-length cDNA librariesRIKAGAKU KENKYUSHO·Filed 1996·Granted Jan 16, 2001·28 cites·25 claims
- 4968US4341941AMethod of operating a plasma generating apparatusRIKAGAKU KENKYUSHO·Filed 1980·Granted Jul 27, 1982·18 cites·1 claims
- 5068US4047042AMethod of determining the water equivalent depth of snowfall using neutrons of cosmic raysRIKAGAKU KENKYUSHO·Filed 1975·Granted Sep 6, 1977·19 cites·1 claims
Showing the top 50 of 195 patent records by PatentIndex Score.
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