Inventor · disambiguated record
Koji Izumi
Also filed as: IZUMI KOJI
45 granted patents·6 pending applications·311 citations·filing 1977–2023
97Inventor score
Files withKYOCERA DOCUMENT SOLUTIONS INC16SONY CORP9KYOCERA MITA CORP3MITA INDUSTRIAL CO LTD3FDK CORP2
Top patents by PatentIndex Score
51 records- 0192US11247346B2Gripping mechanism and assembly apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted Feb 15, 2022·3 cites·7 claims
- 0290US8699925B2Developing device and image forming apparatus including the sameKASHIMOTO MASAHIRO·Filed 2012·Granted Apr 15, 2014·8 cites·15 claims
- 0390US6286550B1Valve apparatusYAMATAKE CORP·Filed 2000·Granted Sep 11, 2001·50 cites·2 claims
- 0487US4086523ARechargeable batteryIZUMI PROD CO·Filed 1977·Granted Apr 25, 1978·41 cites·12 claims
- 0586US9448510B2Image forming apparatus for forming image by using developer including toner and carrierKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Sep 20, 2016·3 cites·3 claims
- 0686US5134915ARolled-paper feed unit for an image forming apparatusMITA INDUSTRIAL CO LTD·Filed 1991·Granted Aug 4, 1992·37 cites·37 claims
- 0783US7722263B2Imager apparatusSONY CORP·Filed 2006·Granted May 25, 2010·8 cites·16 claims
- 0879US8676081B2Development apparatus and image forming apparatus having the sameYAMASHITA KAZUYA·Filed 2011·Granted Mar 18, 2014·3 cites·12 claims
- 0976US10815074B2Conveyance apparatus, production line using the conveyance apparatus, and method of changing the production lineKAWASAKI HEAVY IND LTD·Filed 2016·Granted Oct 27, 2020·4 cites·16 claims
- 1076US9031449B2Toner collector and image forming apparatus including sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted May 12, 2015·2 cites·16 claims
- 1175US9785089B2Toner case and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Oct 10, 2017·1 cites·8 claims
- 1274USD403049SDouble-seated control valveYAMATAKE HONEYWELL CO LTD·Filed 1997·Granted Dec 22, 1998·19 cites·1 claims
- 1370US9188952B2Toner collecting device and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Nov 17, 2015·1 cites·18 claims
- 1470US7578627B2Imager apparatusSONY CORP·Filed 2006·Granted Aug 25, 2009·3 cites·9 claims
- 1570US7519312B2Developing unit and image forming deviceKYOCERA MITA CORP·Filed 2006·Granted Apr 14, 2009·4 cites·14 claims
- 1669USD613242STire for automobileSUMITOMO RUBBER IND·Filed 2009·Granted Apr 6, 2010·15 cites·1 claims
- 1768US9256163B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Feb 9, 2016·1 cites·8 claims
- 1864US11648689B2Gripping mechanism and assembly apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted May 16, 2023·0 cites·5 claims
- 1963US10788737B2Imaging device and camera grip, and imaging systemSONY CORP·Filed 2019·Granted Sep 29, 2020·0 cites·20 claims
- 2062US5398101AImage forming apparatus capable of copying images on various copy itemsMITA INDUSTRIAL CO LTD·Filed 1994·Granted Mar 14, 1995·13 cites·9 claims
- 2159US6238606B1Process for preparing pellets of saponified ethylene/vinyl acetate copolymerNIPPON GOHSEI KAGAKU KOGYO·Filed 1998·Granted May 29, 2001·18 cites·6 claims
- 2258US2020409243A1Imaging device and camera grip, and imaging systemSONY CORP·Filed 2020·Application pending·0 cites
- 2357US10254633B2Imaging device and camera grip, and imaging systemSONY CORP·Filed 2016·Granted Apr 9, 2019·0 cites·9 claims
- 2457US6491227B2Erroneous insertion prevention mechanismSONY CORP·Filed 2000·Granted Dec 10, 2002·10 cites·7 claims
- 2556US11370112B2Assembly apparatus and structure fabricating methodKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Jun 28, 2022·0 cites·10 claims
- 2656US7603066B2Developing device and image forming device and preventing toner contamination thereofKYOCERA MITA CORP·Filed 2006·Granted Oct 13, 2009·1 cites·6 claims
- 2755US11969884B2Gripping mechanism, assembly apparatus and componentKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Apr 30, 2024·0 cites·8 claims
- 2855US6184288B1Hydrous pellets of ethylene-vinyl acetate copolymer hydrolyzate, production thereof and moldings from such hydrous pelletsNIPPON GOHSEI KAGAKU KOGYO·Filed 1998·Granted Feb 6, 2001·17 cites·5 claims
- 2953US9740142B2Toner case and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Aug 22, 2017·0 cites·19 claims
- 3053US8387415B2Method for bending a glass sheet and apparatus for bending a glass sheetFUKAMI MASAO·Filed 2009·Granted Mar 5, 2013·0 cites·6 claims
- 3152USD950625SVideo cameraSONY CORP·Filed 2018·Granted May 3, 2022·5 cites·1 claims
- 3251US11173616B2Gripping mechanism that grips and releases component, and assembly deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Nov 16, 2021·0 cites·5 claims
- 3351US9804530B2Toner case and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Oct 31, 2017·0 cites·17 claims
- 3451US9728764B2Alkaline storage batteryFDK CORP·Filed 2013·Granted Aug 8, 2017·0 cites·8 claims
- 3550US2021114232A1Gripping mechanismKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Application pending·0 cites
- 3649USD810172SCameraSONY CORP·Filed 2014·Granted Feb 13, 2018·5 cites·1 claims
- 3749US2025254817A1Cooling apparatusSONY GROUP CORP·Filed 2023·Application pending·0 cites
- 3849US2009155690A1Nickel-metal hydride rechargeable cellSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 3948US4754995AThin-walled connecting pipe for pipeline and coupling structure for sameSANKYO DENSO KK·Filed 1987·Granted Jul 5, 1988·19 cites·11 claims
- 4048US2009239144A1Nickel-metal hydride rechargeable cellSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 4146US11428754B2Connector inspection instrument, connector setKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted Aug 30, 2022·0 cites·4 claims
- 4246US9935307B2Positive electrode lead and alkaline secondary batteryFDK CORP·Filed 2013·Granted Apr 3, 2018·0 cites·10 claims
- 4345US2012052344A1BatteryNAGAI TATSUYA·Filed 2011·Application pending·0 cites
- 4444US7557973B2Optical scanning device and image forming apparatus provided with the sameKYOCERA MITA CORP·Filed 2007·Granted Jul 7, 2009·0 cites·18 claims
- 4542USD726238SCameraSONY CORP·Filed 2013·Granted Apr 7, 2015·4 cites·1 claims
- 4640US9411265B2Developer conveying mechanism, image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Aug 9, 2016·0 cites·7 claims
- 4740US5244163AConstruction of supporting shaft of roll of paperMITA INDUSTRIAL CO LTD·Filed 1991·Granted Sep 14, 1993·5 cites·40 claims
- 4838US9519247B2Fixing device and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Dec 13, 2016·0 cites·8 claims
- 4934USD403052SYoke of valveYAMATAKE HONEYWELL CO LTD·Filed 1997·Granted Dec 22, 1998·2 cites·1 claims
- 5033USD651231SAccessory for a cameraIZUMI KOJI·Filed 2010·Granted Dec 27, 2011·2 cites·1 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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