Inventor · disambiguated record
Mikio Koyama
Also filed as: IWAMA HIDEAKI · KOYAMA MIKIO
54 granted patents·2 pending applications·1,154 citations·filing 1976–2012
99Inventor score
Files withKONISHIROKU PHOTO IND27KONICA MINOLTA BUSINESS TECH10TOSHIBA KK10HITACHI GE NUCLEAR ENERGY LTD3LUCENT TECHNOLOGIES INC2
Top patents by PatentIndex Score
56 records- 0196US4563594ASchmitt trigger circuit using MOS transistors and having constant threshold voltagesTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Jan 7, 1986·69 cites·17 claims
- 0295US6395442B1Toner and production method of the sameKONISHIROKU PHOTO IND·Filed 2000·Granted May 28, 2002·55 cites·20 claims
- 0395US5384501AIntegration circuit including a differential amplifier having a variable transconductanceTOSHIBA KK·Filed 1993·Granted Jan 24, 1995·95 cites·13 claims
- 0494US5415964APigment-containing polymer particles, method of production thereofKONISHIROKU PHOTO IND·Filed 1994·Granted May 16, 1995·55 cites·27 claims
- 0594US4430436AAnalytical element and method of useKONISHIROKU PHOTO IND·Filed 1981·Granted Feb 7, 1984·98 cites·29 claims
- 0691US4089888AMethod for producing a polycarbonate oligomerIDEMITSU PETROCHEMICAL CO·Filed 1976·Granted May 16, 1978·67 cites·3 claims
- 0789US5006818ALinear differential amplifierTOSHIBA KK·Filed 1990·Granted Apr 9, 1991·45 cites·11 claims
- 0887US4613567AImmunoassay method for measuring immunological antigen in fluid sampleKONISHIROKU PHOTO IND·Filed 1983·Granted Sep 23, 1986·61 cites·18 claims
- 0984US7807327B2Method for producing electrophotographic tonerKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Oct 5, 2010·7 cites·12 claims
- 1084US4193800APhotographic dye mordantKONISHIROKU PHOTO IND·Filed 1978·Granted Mar 18, 1980·34 cites·25 claims
- 1183US5863696AToner particle for electrophotography and production method thereofKONISHIROKU PHOTO IND·Filed 1995·Granted Jan 26, 1999·36 cites·5 claims
- 1279US5610547ALogarithmic transformation circuitry for use in semiconductor integrated circuit devicesTOSHIBA KK·Filed 1995·Granted Mar 11, 1997·53 cites·12 claims
- 1378US4427632AAnalytical elementKONISHIROKU PHOTO IND·Filed 1982·Granted Jan 24, 1984·32 cites·17 claims
- 1476US4557901AAnalytical elementKONISHIROKU PHOTO IND·Filed 1982·Granted Dec 10, 1985·36 cites·13 claims
- 1575US5465070ALogarithmic transformation circuitry for use in semiconductor integrated circuit devicesTOSHIBA KK·Filed 1992·Granted Nov 7, 1995·33 cites·5 claims
- 1673US4732736AAnalytical element for the detection hydrogen peroxideKONISHIROKU PHOTO IND·Filed 1985·Granted Mar 22, 1988·36 cites·11 claims
- 1772US4615983AImmunological measuring elementKONISHIROKU PHOTO IND·Filed 1981·Granted Oct 7, 1986·27 cites·35 claims
- 1870US5227681AIntegration circuitTOSHIBA KK·Filed 1991·Granted Jul 13, 1993·30 cites·14 claims
- 1970US4567024AAnalytical elementKONISHIROKU PHOTO IND·Filed 1983·Granted Jan 28, 1986·23 cites·12 claims
- 2069US5774019ALow distortion differential amplifier circuitLUCENT TECHNOLOGIES INC·Filed 1996·Granted Jun 30, 1998·26 cites·4 claims
- 2169US5081423AIntegrator and active filter including integrator with simple phase compensationTOSHIBA KK·Filed 1989·Granted Jan 14, 1992·17 cites·29 claims
- 2267US4594224AAnalytical elementKONISHIROKU PHOTO IND·Filed 1984·Granted Jun 10, 1986·21 cites·15 claims
- 2366US4551307AAnalytical elementKONISHIROKU PHOTO IND·Filed 1982·Granted Nov 5, 1985·22 cites·23 claims
- 2465US4576793AAnalytical elementKONISHIROKU PHOTO IND·Filed 1983·Granted Mar 18, 1986·21 cites·17 claims
- 2564US7491481B2Method of manufacturing toner, toner, and image forming methodKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Feb 17, 2009·2 cites·5 claims
- 2664US7470496B2Electrostatic image developing tonerKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Dec 30, 2008·2 cites·12 claims
- 2758US4486537AAnalytical element and method of useKONISHIROKU PHOTO IND·Filed 1982·Granted Dec 4, 1984·16 cites·16 claims
- 2857US5702860AMethod for producing non-spherical particleKONISHIROKU PHOTO IND·Filed 1996·Granted Dec 30, 1997·12 cites·18 claims
- 2957US4407938APhotographic element with lactone polymerKONISHIROKU PHOTO IND·Filed 1982·Granted Oct 4, 1983·7 cites·8 claims
- 3056US9212943B2Ultrasonic reactor water level measuring device and evaluation methodHITACHI GE NUCLEAR ENERGY LTD·Filed 2012·Granted Dec 15, 2015·1 cites·7 claims
- 3156US7642030B2Toner, manufacturing method thereof and image forming methodKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Jan 5, 2010·1 cites·16 claims
- 3256US5851713AToner for developing an electrostatic latent imageKONISHIROKU PHOTO IND·Filed 1996·Granted Dec 22, 1998·11 cites·15 claims
- 3356US4914020AMulti-layer analytical element with preserved enzyme containing spreading layerKONISHIROKU PHOTO IND·Filed 1986·Granted Apr 3, 1990·20 cites·23 claims
- 3454US4884036ABand-pass filterTOSHIBA KK·Filed 1988·Granted Nov 28, 1989·10 cites·20 claims
- 3549US5830617AToner for developing an electrostatic latent image, Developer and a method of producing an image using the tonerKONISHIROKU PHOTO IND·Filed 1996·Granted Nov 3, 1998·8 cites·16 claims
- 3649US4594225AElements for analysis of calciumKONISHIROKU PHOTO IND·Filed 1985·Granted Jun 10, 1986·13 cites·15 claims
- 3748US7563554B2Electrophotographic tonerKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Jul 21, 2009·0 cites·20 claims
- 3847US7524601B2Toner and method of manufacturing the tonerKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Apr 28, 2009·0 cites·18 claims
- 3946US2013182811A1Method of Monitoring Reactor Bottom Area, Reactor Bottom Area Monitoring Apparatus and Nuclear ReactorHITACHI GE NUCLEAR ENERGY LTD·Filed 2012·Application pending·0 cites
- 4045US7682769B2Method of manufacturing toner, toner, and image forming methodKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Mar 23, 2010·0 cites·8 claims
- 4145US7682767B2Method of manufacturing toner, toner, and image forming methodKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Mar 23, 2010·0 cites·13 claims
- 4245US4304850APhotographic element for color diffusion transfer processKONISHIROKU PHOTO IND·Filed 1980·Granted Dec 8, 1981·4 cites·11 claims
- 4343US7445878B2Electrostatic charge image developing tonerKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Nov 4, 2008·0 cites·14 claims
- 4442US7932011B2Electrophotographic toner and manufacturing method thereofKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Apr 26, 2011·0 cites·11 claims
- 4542US2013177122A1Reactor Water-Level/Temperature Measurement ApparatusHITACHI GE NUCLEAR ENERGY LTD·Filed 2012·Application pending·0 cites
- 4641US4709408APhased lock loop synchronous detecting system with an automatic frequency tuning circuitTOSHIBA KK·Filed 1985·Granted Nov 24, 1987·7 cites·10 claims
- 4741US4567136AAnalytical elementKONISHIROKU PHOTO IND·Filed 1984·Granted Jan 28, 1986·7 cites·26 claims
- 4840US5706311AModulator circuitLUCENT TECHNOLOGIES INC·Filed 1996·Granted Jan 6, 1998·13 cites·4 claims
- 4940US4234671AColor diffusion transfer dye mordantKONISHIROKU PHOTO IND·Filed 1979·Granted Nov 18, 1980·6 cites·3 claims
- 5039US7541129B2Electrostatic image developing tonerKONICA MINOLTA BUSINESS MACHIN·Filed 2006·Granted Jun 2, 2009·0 cites·17 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →