Inventor · disambiguated record
Junichi Yamazaki
Also filed as: YAMAZAKI JUNICHI
48 granted patents·8 pending applications·740 citations·filing 1985–2019
98Inventor score
Top patents by PatentIndex Score
56 records- 0190US7308246B2Emergency notification system and emergency notification deviceNEC CORP·Filed 2002·Granted Dec 11, 2007·93 cites·14 claims
- 0286US7498725B2Piezoelectric ceramic composition and laminated piezoelectric elementTDK CORP·Filed 2007·Granted Mar 3, 2009·13 cites·3 claims
- 0384US7046943B2Image forming apparatus and charging device therefor receiving AC and DC voltagesRICOH KK·Filed 2005·Granted May 16, 2006·6 cites·10 claims
- 0484US6534227B2Photoreceptor, method of evaluating the photoreceptor, method of producing the photoreceptor, and image formation apparatus using the photoreceptorRICOH KK·Filed 2001·Granted Mar 18, 2003·24 cites·90 claims
- 0584US5255266AATM switching unitFUJITSU LTD·Filed 1991·Granted Oct 19, 1993·137 cites·30 claims
- 0684US4952839APhotoconductive device and method of operating the sameHITACHI LTD·Filed 1989·Granted Aug 28, 1990·28 cites·4 claims
- 0783US4888521APhotoconductive device and method of operating the sameHITACHI LTD·Filed 1987·Granted Dec 19, 1989·26 cites·46 claims
- 0876US4758486AEndless belt shaped electrophotographic photoconductorRICOH KK·Filed 1985·Granted Jul 19, 1988·34 cites·5 claims
- 0974US6649313B2Photoreceptor, method of evaluating a photoreceptor, and method of producing the photoreceptorRICOH KK·Filed 2002·Granted Nov 18, 2003·13 cites·15 claims
- 1073US8103239B2Emergency notification system and emergency notification deviceYAMAZAKI JUNICHI·Filed 2006·Granted Jan 24, 2012·12 cites·19 claims
- 1172US7528531B2Piezoelectric ceramic composition and laminated piezoelectric elementTDK CORP·Filed 2007·Granted May 5, 2009·4 cites·3 claims
- 1272US6014712ANetwork systemHEWLETT PACKARD CO·Filed 1997·Granted Jan 11, 2000·62 cites·14 claims
- 1371US4987791AMiniature motor with a worm reduction gearMABUCHI MOTOR CO·Filed 1990·Granted Jan 29, 1991·32 cites·1 claims
- 1470US5233265APhotoconductive imaging apparatusHITACHI LTD·Filed 1990·Granted Aug 3, 1993·37 cites·19 claims
- 1570US4900975ATarget of image pickup tube having an amorphous semiconductor laminateHITACHI LTD·Filed 1987·Granted Feb 13, 1990·16 cites·12 claims
- 1665US7263876B2Apparatus and method of detecting surface convexity of members, and method of producing the membersRICOH KK·Filed 2002·Granted Sep 4, 2007·5 cites·14 claims
- 1764US8795935B2Electrophotographic photoconductor, production method of the same, image forming apparatus, and process cartridgeKAMI HIDETOSHI·Filed 2010·Granted Aug 5, 2014·1 cites·9 claims
- 1864US6983840B2Package and method of forming the packageRICOH KK·Filed 2002·Granted Jan 10, 2006·8 cites·43 claims
- 1963US6413443B1Piezoelectric ceramic and piezoelectric deviceTDK CORP·Filed 2000·Granted Jul 2, 2002·7 cites·2 claims
- 2061US5594717ACall admission control in ATM networkFUJITSU LTD·Filed 1996·Granted Jan 14, 1997·46 cites·32 claims
- 2160US9382163B2Amorphous dielectric film and electronic componentTDK CORP·Filed 2014·Granted Jul 5, 2016·0 cites·2 claims
- 2260US7528417B2Light-emitting diode device and production method thereofSHOWA DENKO KK·Filed 2004·Granted May 5, 2009·9 cites·36 claims
- 2360US7507347B2Piezoelectric ceramic composition and laminated piezoelectric elementTDK CORP·Filed 2007·Granted Mar 24, 2009·1 cites·19 claims
- 2459US7842443B2Method for evaluating electrophotographic photoconductor and the evaluation device, and method for reusing electrophotographic photoconductorRICOH CO LTD·Filed 2006·Granted Nov 30, 2010·2 cites·17 claims
- 2557US4980736AElectric conversion deviceHITACHI LTD·Filed 1988·Granted Dec 25, 1990·15 cites·41 claims
- 2656US10611693B2Polycrystalline dielectric thin film and capacitor elementTDK CORP·Filed 2017·Granted Apr 7, 2020·0 cites·8 claims
- 2756US7334383B2Package and method of forming the packageRICOH KK·Filed 2005·Granted Feb 26, 2008·1 cites·6 claims
- 2856US4995581AInside rearview mirror assembly for motor vehicleMATSUYAMA SEISAKUSHO·Filed 1988·Granted Feb 26, 1991·20 cites·10 claims
- 2955US10707018B2Polycrystalline dielectric thin film and capacitor elementTDK CORP·Filed 2017·Granted Jul 7, 2020·0 cites·12 claims
- 3055US6296704B1Dip coating apparatusRICOH KK·Filed 1999·Granted Oct 2, 2001·11 cites·3 claims
- 3154US11078123B2Metal oxynitride thin film, process for producing metal oxynitride thin film, and capacitor elementTDK CORP·Filed 2018·Granted Aug 3, 2021·0 cites·11 claims
- 3254US7280783B2Electrophotographic photoreceptor and method of recycling the electrophotographic photoreceptorRICOH KK·Filed 2004·Granted Oct 9, 2007·6 cites·11 claims
- 3354US6925275B2Image forming apparatus and charging device thereforRICOH KK·Filed 2003·Granted Aug 2, 2005·4 cites·21 claims
- 3453US9101761B2Moving object tracking system for radiotherapyISHIKAWA MASAYORI·Filed 2012·Granted Aug 11, 2015·1 cites·2 claims
- 3552US6493877B1Digital data distribution system having a reduced end station memory requirementHEWLETT PACKARD CO·Filed 1998·Granted Dec 10, 2002·25 cites·20 claims
- 3651US11999616B2Dielectric thin film, capacitor element, and electronic circuit boardTDK CORP·Filed 2019·Granted Jun 4, 2024·0 cites·6 claims
- 3751US11532435B2Thin film capacitor and electronic circuit boardTDK CORP·Filed 2019·Granted Dec 20, 2022·0 cites·5 claims
- 3846US9537083B2Piezoelectric composition and piezoelectric deviceTDK CORP·Filed 2014·Granted Jan 3, 2017·0 cites·3 claims
- 3945US6328800B1Dip coating apparatusRICOH KK·Filed 1999·Granted Dec 11, 2001·8 cites·4 claims
- 4044US7356280B2Electrophotographic photoreceptor and method of recycling the electrophotographic photoreceptorRICOH KK·Filed 2007·Granted Apr 8, 2008·0 cites·7 claims
- 4144US5021705AMethod of fabricating an image pick-up tube and target section used therewithHITACHI LTD·Filed 1989·Granted Jun 4, 1991·5 cites·23 claims
- 4243US2007080317A1Piezoelectric ceramic composition and laminated piezoelectric elementTDK CORP·Filed 2006·Application pending·0 cites
- 4343US2006202152A1Piezoelectric ceramic composition, production method thereof, piezoelectric element and fabrication method thereofTDK CORP·Filed 2006·Application pending·0 cites
- 4441US2002059627A1Agent-enabled real-time quality of service system for audio-video mediaFiled 2001·Application pending·0 cites
- 4539US9678849B2Processing method, processing apparatus, and recording medium to determine operational state of processing elementFUJITSU LTD·Filed 2013·Granted Jun 13, 2017·0 cites·15 claims
- 4639US5762447AMethod and apparatus of continuously measuring heat quantity need to melt snow lying on road and prevent freezing of roadHASHIMOTO KOHTARO·Filed 1997·Granted Jun 9, 1998·15 cites·1 claims
- 4739US2010259824A1Nd filter and television camera, and manufacturing method of nd filterMITSUHASHI SEIJI·Filed 2010·Application pending·0 cites
- 4839US2014067853A1Data search method, information system, and recording medium storing data search programFUJITSU LTD·Filed 2013·Application pending·0 cites
- 4937US2013031071A1Control apparatus, control method and recording medium of control programFUJITSU LTD·Filed 2012·Application pending·0 cites
- 5036US2016105508A1Information processing apparatus, data processing system and data processing management methodFUJITSU LTD·Filed 2015·Application pending·0 cites
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 →