Inventor · disambiguated record
Yoshihiro Kawakami
Also filed as: KAWAKAMI YOSHIHIRO
37 granted patents·6 pending applications·320 citations·filing 2000–2023
97Inventor score
Top patents by PatentIndex Score
43 records- 0197US8019254B2Toner conveying device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2007·Granted Sep 13, 2011·32 cites·11 claims
- 0295US8135329B2Toner conveyer device, process cartridge, and image forming apparatusSHIMIZU YOSHIYUKI·Filed 2007·Granted Mar 13, 2012·23 cites·16 claims
- 0395US7424263B2Toner recovery belt conveyor, process cartridge, and image forming apparatus using the sameRICOH KK·Filed 2006·Granted Sep 9, 2008·23 cites·13 claims
- 0492US8275285B2Process cartridge and image forming apparatusKAWAKAMI YOSHIHIRO·Filed 2008·Granted Sep 25, 2012·15 cites·11 claims
- 0592US7965957B2Developing device and image forming apparatus that uses this developing deviceRICOH CO LTD·Filed 2008·Granted Jun 21, 2011·13 cites·12 claims
- 0692US7945203B2Waste-toner collecting device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2008·Granted May 17, 2011·13 cites·10 claims
- 0792US7890044B2Powder conveyance device, toner conveyance device, process cartridge and image forming apparatusRICOH CO LTD·Filed 2007·Granted Feb 15, 2011·13 cites·13 claims
- 0891US7979013B2Developing device of image forming apparatusRICOH CO LTD·Filed 2007·Granted Jul 12, 2011·13 cites·15 claims
- 0991US6730435B1Active material for non-aqueous secondary battery, and non-aqueous secondary battery using the sameSUMITOMO CHEMICAL CO·Filed 2000·Granted May 4, 2004·46 cites·10 claims
- 1090US8160476B2Latent image carrier having pairs of first and second positioning protrusions and image forming apparatusSHIMIZU YOSHIYUKI·Filed 2008·Granted Apr 17, 2012·12 cites·20 claims
- 1185US8442414B2Seal member, developing device, process cartridge, and image forming apparatusKUBOTA TOMOHIRO·Filed 2011·Granted May 14, 2013·3 cites·23 claims
- 1284US7965958B2Developing device, process cartridge and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jun 21, 2011·7 cites·14 claims
- 1384US7917077B2Waste-toner housing device, and image forming apparatusRICOH CO LTD·Filed 2007·Granted Mar 29, 2011·7 cites·14 claims
- 1484US7873302B2Cleaning device and image forming apparatusRICOH CO LTD·Filed 2007·Granted Jan 18, 2011·7 cites·17 claims
- 1581US8260186B2Toner cartridge with refillable fresh and residual toner chambers, process cartridge, and method of making toner cartridge reusableKUBOTA TOMOHIRO·Filed 2008·Granted Sep 4, 2012·6 cites·8 claims
- 1680US8320792B2Cleaning device, process cartridge, and image forming apparatusKAWAKAMI YOSHIHIRO·Filed 2009·Granted Nov 27, 2012·6 cites·15 claims
- 1780US7706724B2Charging-roller bearing member, process cartridge, and image forming apparatusRICOH KK·Filed 2007·Granted Apr 27, 2010·6 cites·14 claims
- 1879US7623821B2Conveyor device, process cartridge, image forming apparatus, and method of forming imageRICOH KK·Filed 2007·Granted Nov 24, 2009·5 cites·14 claims
- 1976US8948639B2Fixing device with mechanism capable of detecting pressure exerted between opposed components and image forming apparatus incorporating sameKAWAKAMI YOSHIHIRO·Filed 2012·Granted Feb 3, 2015·2 cites·20 claims
- 2075US8208832B2Toner-collecting device and image forming apparatusYOSHIDA TOMOFUMI·Filed 2008·Granted Jun 26, 2012·4 cites·18 claims
- 2175US8135313B2Powder transport screw, and development device, process unit and image-forming apparatus comprising this powder transport screwYOSHIDA TOMOFUMI·Filed 2008·Granted Mar 13, 2012·4 cites·17 claims
- 2274US8591860B2Method for manufacturing a lithium complex metal oxideKAWAKAMI YOSHIHIRO·Filed 2010·Granted Nov 26, 2013·2 cites·7 claims
- 2374US8095035B2Developing device, process unit, and image forming apparatus, with supporting members, grooves, and supported developing rollerOOYOSHI HIROBUMI·Filed 2008·Granted Jan 10, 2012·4 cites·15 claims
- 2473US9178247B2Lithium composite metal oxide and nonaqueous electrolyte secondary batteryIMANARI YUICHIRO·Filed 2007·Granted Nov 3, 2015·2 cites·19 claims
- 2572US8440353B2Lithium mixed metal oxideIMANARI YUICHIRO·Filed 2008·Granted May 14, 2013·2 cites·9 claims
- 2668USD597129SProcess cartridge for image forming apparatusRICOH KK·Filed 2007·Granted Jul 28, 2009·15 cites·1 claims
- 2767US8081897B2Seal member, developing device, process cartridge, and image forming apparatusKUBOTA TOMOHIRO·Filed 2008·Granted Dec 20, 2011·2 cites·20 claims
- 2857US8501350B2Lithium manganese composite oxideKANNO RYOJI·Filed 2007·Granted Aug 6, 2013·0 cites·2 claims
- 2957US8103195B2Toner agitating unit, toner hopper, process cartridge, and image forming apparatusYOSHIDA TOMOFUMI·Filed 2008·Granted Jan 24, 2012·1 cites·8 claims
- 3057USD590012SProcess cartridge for image forming apparatusRICOH KK·Filed 2007·Granted Apr 7, 2009·10 cites·1 claims
- 3157US2023273404A1Objective optical system, image pickup apparatus, and endoscopeOLYMPUS MEDICAL SYSTEMS CORP·Filed 2023·Application pending·0 cites
- 3255USD580968SProcess cartridge for image forming apparatusRICOH KK·Filed 2007·Granted Nov 18, 2008·9 cites·1 claims
- 3353US2010092865A1Carbon composite materials and process for production thereofTOKYO INST TECH·Filed 2007·Application pending·0 cites
- 3452US8029928B2Positive electrode active material powderSUMITOMO CHEMICAL CO·Filed 2007·Granted Oct 4, 2011·0 cites·7 claims
- 3551US11793081B2Vibration power generation elementRES INSTITUTE FOR ELECTROMAGNETIC MATERIALS·Filed 2022·Granted Oct 17, 2023·0 cites·1 claims
- 3651US11576564B2Objective optical system for endoscopeOLYMPUS CORP·Filed 2019·Granted Feb 14, 2023·0 cites·9 claims
- 3750USD590011SProcess cartridge for image forming apparatusRICOH KK·Filed 2007·Granted Apr 7, 2009·7 cites·1 claims
- 3849US2010047691A1Lithium secondary batterySUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 3947USD603450SProcess cartridge for image forming apparatusRICOH KK·Filed 2007·Granted Nov 3, 2009·6 cites·1 claims
- 4045US2009104526A1Powder for positive electrode and positive electrode mixTANINO KAZUYUKI·Filed 2007·Application pending·0 cites
- 4142US2009309062A1Lithium composite metal oxideSUMITOMO CHEMICAL CO·Filed 2007·Application pending·0 cites
- 4240US9116476B2Fixing device and image forming apparatusTAKAHASHI YOSHIHARU·Filed 2011·Granted Aug 25, 2015·0 cites·17 claims
- 4340US2008145119A1Image forming apparatus and process cartridge used thereinTATSUMI KENZO·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →