Inventor · disambiguated record
Takashi Kitamura
Also filed as: HIRAYAMA KAZUHIRO · KASAI MASANAO · KITAMURA TAKASHI · MASAKI KATSUMI
114 granted patents·19 pending applications·2,681 citations·filing 1975–2025
99Inventor score
Files withCANON KK40BRIDGESTONE CORP15MITSUI TOATSU CHEMICALS13KITAMURA TAKASHI7OMRON HEALTHCARE CO LTD5
Top patents by PatentIndex Score
133 records- 0198US4579446ABoth-side recording systemCANON KK·Filed 1983·Granted Apr 1, 1986·299 cites·8 claims
- 0298US4338577ASemiconductor laser apparatusCANON KK·Filed 1979·Granted Jul 6, 1982·105 cites·19 claims
- 0397US4214249ARecording member for laser beam and process for recordingCANON KK·Filed 1976·Granted Jul 22, 1980·100 cites·10 claims
- 0495US6818591B2Reversible thermosensitive recording medium, label, and image forming and erasing method using the sameRICOH KK·Filed 2002·Granted Nov 16, 2004·48 cites·19 claims
- 0595US5393721AAnionic polymerization initiators and reduced hysteresis products therefomBRIDGESTONE CORP·Filed 1992·Granted Feb 28, 1995·105 cites·18 claims
- 0695US4474422AOptical scanning apparatus having an array of light sourcesCANON KK·Filed 1980·Granted Oct 2, 1984·100 cites·9 claims
- 0795US4443695AApparatus for controlling the quantity of lightCANON KK·Filed 1981·Granted Apr 17, 1984·53 cites·18 claims
- 0894US7933062B2Electrophoretic fluid, electrophoretic display medium, electrophoretic display element, and electrophoretic display deviceRICOH CO LTD·Filed 2008·Granted Apr 26, 2011·22 cites·18 claims
- 0994US6226617B1Product disposal systemHITACHI LTD·Filed 1996·Granted May 1, 2001·74 cites·8 claims
- 1094US4957833ANon-aqueous liquid electrolyte cellBRIDGESTONE CORP·Filed 1989·Granted Sep 18, 1990·90 cites·9 claims
- 1192US8570639B2Electrophoretic liquid, image display medium, and image display deviceMASUZAWA MASAHIRO·Filed 2009·Granted Oct 29, 2013·42 cites·4 claims
- 1292US5978639AIntermediate transfer member and intermediate transfer deviceBRIDGESTONE CORP·Filed 1998·Granted Nov 2, 1999·71 cites·35 claims
- 1392US4404571AMultibeam recording apparatusCANON KK·Filed 1981·Granted Sep 13, 1983·49 cites·18 claims
- 1489US6084025AReduced hysteresis products prepared with anionic polymerization initiatorsBRIDGESTONE CORP·Filed 1999·Granted Jul 4, 2000·47 cites·35 claims
- 1589US4393387ABeam recording apparatus effecting the recording by a plurality of beamsCANON KK·Filed 1980·Granted Jul 12, 1983·72 cites·6 claims
- 1688US5698646AProcess for producing elastomeric compound having reduced hysteresisBRIDGESTONE CORP·Filed 1995·Granted Dec 16, 1997·61 cites·6 claims
- 1788US4954661AProcess for preparing high-purity bisphenol AMITSUI TOATSU CHEMICALS·Filed 1989·Granted Sep 4, 1990·25 cites·10 claims
- 1886US4942265AProcess for preparing 2,2-bis(4-hydroxyphenyl)propane of high purityMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jul 17, 1990·21 cites·5 claims
- 1985US5292790AConjugated diene series rubber compositionsBRIDGESTONE CORP·Filed 1992·Granted Mar 8, 1994·45 cites·8 claims
- 2085US4423426ABeam recording apparatusCANON KK·Filed 1982·Granted Dec 27, 1983·57 cites·6 claims
- 2184US4864326ADual beam recorderCANON KK·Filed 1988·Granted Sep 5, 1989·45 cites·15 claims
- 2283US6117927AMethod for producing a rubber compositionBRIDGESTONE CORP·Filed 1996·Granted Sep 12, 2000·55 cites·24 claims
- 2383US4375067ASemiconductor laser device having a stabilized output beamCANON KK·Filed 1980·Granted Feb 22, 1983·26 cites·32 claims
- 2483US4198154AImage recording apparatus capable of representing half-tones on an imageCANON KK·Filed 1978·Granted Apr 15, 1980·30 cites·29 claims
- 2582US5362213AMicro-pump and method for production thereofTERUMO CORP·Filed 1993·Granted Nov 8, 1994·52 cites·6 claims
- 2682US4253724ARecording optical systemCANON KK·Filed 1979·Granted Mar 3, 1981·37 cites·10 claims
- 2781US10135282B2Storage battery control apparatus, power storage system, and method for charging storage batteryOMRON TATEISI ELECTRONICS CO·Filed 2015·Granted Nov 20, 2018·4 cites·5 claims
- 2881US6172001B1Reversible thermosensitive recording medium and image forming and erasing method using the sameRICOH KK·Filed 1999·Granted Jan 9, 2001·25 cites·4 claims
- 2981US4201994AInformation formation apparatusCANON KK·Filed 1977·Granted May 6, 1980·27 cites·18 claims
- 3080US5674798AHydrocarbon soluble anionic polymerization initiatorsBRIDGESTONE CORP·Filed 1994·Granted Oct 7, 1997·23 cites·14 claims
- 3180US4918245AProcess for preparing bisphenol AMITSUI TOATSU CHEMICALS·Filed 1988·Granted Apr 17, 1990·28 cites·7 claims
- 3280US4528561AInformation output device for recording information with varied resolutionCANON KK·Filed 1981·Granted Jul 9, 1985·36 cites·5 claims
- 3379US9035740B2Circuit protective device and method for manufacturing the sameWASHIZAKI TOMOYUKI·Filed 2008·Granted May 19, 2015·14 cites·23 claims
- 3479US7369185B2Broadcast receiving apparatus and method having volume controlTOSHIBA KK·Filed 2004·Granted May 6, 2008·16 cites·22 claims
- 3579USD531234SDollVOLKS INC·Filed 2005·Granted Oct 31, 2006·26 cites·1 claims
- 3679US4950806AProcess for crystallizing adduct of bisphenol A with phenolMITSUI TOATSU CHEMICALS·Filed 1989·Granted Aug 21, 1990·14 cites·3 claims
- 3778US4268870ARecording apparatus for reading information from an originalCANON KK·Filed 1979·Granted May 19, 1981·22 cites·18 claims
- 3875US4059833ARecording position adjusterCANON KK·Filed 1975·Granted Nov 22, 1977·35 cites·22 claims
- 3973US4607065ASealant compositions and method of producing the sameBRIDGESTONE TIRE CO LTD·Filed 1985·Granted Aug 19, 1986·23 cites·3 claims
- 4072US4950804AProcess for preparing bisphenol AMITSUI TOATSU CHEMICALS·Filed 1989·Granted Aug 21, 1990·10 cites·4 claims
- 4172US2025202261A1Power system, monitoring device, inverter device and programDAIHEN CORP·Filed 2025·Application pending·0 cites
- 4271US10005206B2Method for forming cylindrical rubber memberTOYO TIRE & RUBBER CO·Filed 2013·Granted Jun 26, 2018·2 cites·5 claims
- 4371US4950805AProcess for washing and obtaining solids of slurryMITSUI TOATSU CHEMICALS·Filed 1989·Granted Aug 21, 1990·10 cites·5 claims
- 4471US4476474ADot recording apparatusCANON KK·Filed 1982·Granted Oct 9, 1984·24 cites·12 claims
- 4571US4379631AApparatus having a copier function and a printer functionCANON KK·Filed 1980·Granted Apr 12, 1983·24 cites·5 claims
- 4671US4175851ARecording position adjusterCANON KK·Filed 1977·Granted Nov 27, 1979·20 cites·16 claims
- 4770US4983023ALiquid crystal display panel with polymer spacers containing a percentage of epoxy groupsSHARP KK·Filed 1988·Granted Jan 8, 1991·30 cites·9 claims
- 4870US4931146AProcess for obtaining high-purity bisphenol AMITSUI TOATSU CHEMICALS·Filed 1989·Granted Jun 5, 1990·9 cites·3 claims
- 4969US4531217ASemiconductor laser device with plural light sourcesCANON KK·Filed 1984·Granted Jul 23, 1985·15 cites·7 claims
- 5068US12272983B2Power system, monitoring device, inverter device and programDAIHEN CORP·Filed 2022·Granted Apr 8, 2025·0 cites·6 claims
Showing the top 50 of 133 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →