Inventor · disambiguated record
Tatsuya Kubo
Also filed as: KUBO TATSUYA
85 granted patents·15 pending applications·384 citations·filing 1986–2025
99Inventor score
Top patents by PatentIndex Score
100 records- 0197USD352463SCombined portable timepiece and hemadynometerCASIO COMPUTER CO LTD·Filed 1992·Granted Nov 15, 1994·79 cites·1 claims
- 0293US9471009B2Developer container, developer replenisher, and image forming apparatusKIKUCHI TEPPEI·Filed 2015·Granted Oct 18, 2016·8 cites·20 claims
- 0393US9146497B2Powder container, powder supply device, and image forming apparatus including sameNODERA KENTARO·Filed 2013·Granted Sep 29, 2015·6 cites·12 claims
- 0492US8655237B2Development device and image forming apparatus incorporating sameSUZUKI YUJI·Filed 2013·Granted Feb 18, 2014·7 cites·7 claims
- 0591US10008722B2Sulfur-based positive-electrode active material and lithium-ion secondary batterySUMITOMO RUBBER IND·Filed 2014·Granted Jun 26, 2018·7 cites·15 claims
- 0691US9459556B2Powder container, powder supply device, and image forming apparatus including sameNODERA KENTARO·Filed 2015·Granted Oct 4, 2016·3 cites·10 claims
- 0790US9817335B2Powder amount detector, powder supply device, and image forming apparatus incorporating sameKAWASHIMA NAOHIRO·Filed 2016·Granted Nov 14, 2017·6 cites·20 claims
- 0890US9400450B2Toner cartridge and image forming apparatus incorporating sameKIKUCHI TEPPEI·Filed 2015·Granted Jul 26, 2016·4 cites·20 claims
- 0988US11094939B2Sulfur-based active materialSUMITOMO RUBBER IND·Filed 2020·Granted Aug 17, 2021·2 cites·17 claims
- 1088US11069893B2Sulfur-based active materialSUMITOMO RUBBER IND·Filed 2020·Granted Jul 20, 2021·2 cites·13 claims
- 1188US7466946B2Developing unit and image forming apparatusRICOH PRINTING SYS LTD·Filed 2006·Granted Dec 16, 2008·12 cites·6 claims
- 1285US7826775B2Developing device and image forming apparatusRICOH KK·Filed 2008·Granted Nov 2, 2010·8 cites·11 claims
- 1384US7792465B2Developing device, process cartridge, and image forming apparatusRICOH KK·Filed 2008·Granted Sep 7, 2010·7 cites·14 claims
- 1484USD448680SWrist watchCASIO COMPUTER CO LTD·Filed 2000·Granted Oct 2, 2001·30 cites·1 claims
- 1583US10847279B2Method for making a sulfur-based positive-electrode active materialSUMITOMO RUBBER IND·Filed 2019·Granted Nov 24, 2020·1 cites·13 claims
- 1683US7904001B2Developing unit, process cartridge, and image forming apparatus having a plurality of conveyor members, a supply part, and a discharge partRICOH CO LTD·Filed 2008·Granted Mar 8, 2011·7 cites·21 claims
- 1782US8559856B2Development device and image forming apparatus incorporating sameSUZUKI YUJI·Filed 2011·Granted Oct 15, 2013·3 cites·20 claims
- 1881US11953843B2Powder container, powder supply device, and image forming apparatus including sameRICOH CO LTD·Filed 2022·Granted Apr 9, 2024·0 cites·7 claims
- 1981US9154649B2Data reader and image forming apparatus incorporating sameFUJIMORI AKIRA·Filed 2014·Granted Oct 6, 2015·3 cites·10 claims
- 2080US9146501B2Toner cartridge and image forming apparatus incorporating sameKIKUCHI TEPPEI·Filed 2014·Granted Sep 29, 2015·2 cites·11 claims
- 2179US8374528B2Developing device, process cartridge, and image forming apparatus that house a developing agent for forming an imageRICOH CO LTD·Filed 2011·Granted Feb 12, 2013·2 cites·19 claims
- 2279US8045893B2Developing device and image forming apparatus including inclined transport screwRICOH CO LTD·Filed 2008·Granted Oct 25, 2011·5 cites·9 claims
- 2379US6465540B1Ultraviolet curable resin composition and photo solder resist ink using the sameGOO CHEMICAL CO LTD·Filed 2000·Granted Oct 15, 2002·27 cites·11 claims
- 2477US8346134B2Developing device and image forming apparatus that include a developer transport amount regulation partRICOH CO LTD·Filed 2011·Granted Jan 1, 2013·2 cites·32 claims
- 2576US2025376291A1Packing box, toner container, and method of assembling packing boxSHIBATA TERUO·Filed 2025·Application pending·0 cites
- 2675US11422483B2Powder container, powder supply device, and image forming apparatus including sameRICOH CO LTD·Filed 2020·Granted Aug 23, 2022·0 cites·27 claims
- 2775US10606187B2Powder container, powder supply device, and image forming apparatus including sameRICOH CO LTD·Filed 2018·Granted Mar 31, 2020·0 cites·15 claims
- 2873US8041269B2Development apparatus having two developer bearers and two development chambersRICOH CO LTD·Filed 2007·Granted Oct 18, 2011·4 cites·14 claims
- 2972US10871729B2Powder container, powder supply device, and image forming apparatus including sameRICOH CO LTD·Filed 2020·Granted Dec 22, 2020·0 cites·20 claims
- 3072US8045900B2Developing device, process cartridge, and image forming apparatus that house a developing agent for forming an imageRICOH CO LTD·Filed 2008·Granted Oct 25, 2011·3 cites·13 claims
- 3171US11201326B2Metal-ion secondary batterySUMITOMO RUBBER IND·Filed 2019·Granted Dec 14, 2021·0 cites·11 claims
- 3271US10505194B2Positive electrode for lithium-ion secondary battery and lithium-ion secondary batterySUMITOMO RUBBER IND·Filed 2019·Granted Dec 10, 2019·0 cites·9 claims
- 3371US10146154B2Powder container, powder supply device, and image forming apparatus including sameNODERA KENTARO·Filed 2017·Granted Dec 4, 2018·0 cites·8 claims
- 3470US12399448B2Toner container and image forming apparatusNODERA KENTARO·Filed 2024·Granted Aug 26, 2025·0 cites·17 claims
- 3568US9835977B2Powder container, powder supply device, and image forming apparatus including sameNODERA KENTARO·Filed 2016·Granted Dec 5, 2017·0 cites·9 claims
- 3668US7792466B2Image forming apparatus and developing deviceRICOH KK·Filed 2007·Granted Sep 7, 2010·3 cites·16 claims
- 3767US12286506B2Organic sulfur material, electrode, and lithium-ion secondary batteries, and producing methodSUMITOMO RUBBER IND·Filed 2021·Granted Apr 29, 2025·0 cites·20 claims
- 3867US8027623B2Developing device, process cartridge, and image forming apparatus having a discharge port facing a section of a transport member without a screw partRICOH CO LTD·Filed 2008·Granted Sep 27, 2011·3 cites·12 claims
- 3967USD391860SWatch caseCASIO COMPUTER CO LTD·Filed 1997·Granted Mar 10, 1998·13 cites·1 claims
- 4067USD304691SPortable clockCASIO COMPUTER CO LTD·Filed 1986·Granted Nov 21, 1989·11 cites·1 claims
- 4167US2025214862A1Sulfur-based active material, electrode, lithium-ion secondary battery, and producing methods thereofSUMITOMO RUBBER IND·Filed 2023·Application pending·0 cites
- 4267US2025197216A1Sulfur-based active material, electrode, and lithium-ion secondary batterySUMITOMO RUBBER IND·Filed 2023·Application pending·0 cites
- 4365US11367868B2Sulfur-based positive-electrode active material, positive-electrode and lithium-ion secondary batterySUMITOMO RUBBER IND·Filed 2019·Granted Jun 21, 2022·0 cites·13 claims
- 4464US10649367B2Powder supply device and image forming apparatus incorporating sameMATSUMOTO JUNICHI·Filed 2019·Granted May 12, 2020·0 cites·18 claims
- 4563US12206107B2Sulfur-based active material, electrode, non-aqueous electrolyte secondary battery and producing methods thereofSUMITOMO RUBBER IND·Filed 2021·Granted Jan 21, 2025·0 cites·10 claims
- 4663US11876228B2Organic sulfur material, electrode, and lithium-ion secondary batteries, and producing methodSUMITOMO RUBBER IND·Filed 2021·Granted Jan 16, 2024·0 cites·18 claims
- 4763US8145102B2Developing device, process cartridge, image forming apparatus and developer discharge device having a discharge portTATEYAMA SUSUMU·Filed 2008·Granted Mar 27, 2012·2 cites·21 claims
- 4863US2024198534A1Robot inspection systemSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 4962US12409971B2Packing member, toner container, and packing methodTAMAKI SHUNTAROH·Filed 2023·Granted Sep 9, 2025·0 cites·10 claims
- 5062USD542155SWrist watchCASIO COMPUTER CO LTD·Filed 2006·Granted May 8, 2007·12 cites·1 claims
Showing the top 50 of 100 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →