Inventor · disambiguated record
Kazuhisa Takeda
Also filed as: TAKEDA KAZUHISA
76 granted patents·19 pending applications·313 citations·filing 1988–2024
98Inventor score
Top patents by PatentIndex Score
95 records- 0198US7452631B2Non-aqueous electrolyte secondary batterySANYO ELECTRIC CO·Filed 2005·Granted Nov 18, 2008·48 cites·12 claims
- 0296US7416813B2Lithium secondary batterySANYO ELECTRIC CO·Filed 2005·Granted Aug 26, 2008·65 cites·10 claims
- 0395US7934717B2Sheet transporting device with locking mechanismSEIKO EPSON CORP·Filed 2010·Granted May 3, 2011·14 cites·3 claims
- 0489US7204577B2Waste liquid treating device and liquid ejecting apparatus incorporating the sameSEIKO EPSON CORPORAION·Filed 2004·Granted Apr 17, 2007·51 cites·28 claims
- 0585US11264604B2Negative electrode material, lithium ion secondary battery, method of manufacturing negative electrode materialTOYOTA MOTOR CO LTD·Filed 2018·Granted Mar 1, 2022·2 cites·19 claims
- 0685US10811678B2Negative electrode material and lithium secondary battery using sameTOYOTA MOTOR CO LTD·Filed 2018·Granted Oct 20, 2020·2 cites·7 claims
- 0785US9348249B2Image forming apparatus and image forming and decoloring systemTOSHIBA TEC KK·Filed 2014·Granted May 24, 2016·3 cites·15 claims
- 0884US11575803B1Image forming apparatus and method correcting density unevenness for each divided region in a main scanning directionTOSHIBA TEC KK·Filed 2022·Granted Feb 7, 2023·1 cites·20 claims
- 0984US9291950B2Apparatus and method for forming an image with a non-decolorizable material and a decolorizable materialTOSHIBA TEC KK·Filed 2013·Granted Mar 22, 2016·2 cites·17 claims
- 1083US7857535B2Method of controlling transport amount, transport device and recording apparatusSEIKO EPSON CORP·Filed 2006·Granted Dec 28, 2010·6 cites·2 claims
- 1182US10763498B2Negative electrode and non-aqueous electrolyte secondary battery including the sameTOYOTA MOTOR CO LTD·Filed 2018·Granted Sep 1, 2020·1 cites·17 claims
- 1282US10723148B2Recording apparatusSEIKO EPSON CORP·Filed 2018·Granted Jul 28, 2020·2 cites·19 claims
- 1381US10411265B2Lithium ion secondary battery and method of manufacturing sameTOYOTA MOTOR CO LTD·Filed 2017·Granted Sep 10, 2019·1 cites·10 claims
- 1481US9821590B2Color erasing apparatus, color erasing system and color erasing control methodTOSHIBA KK·Filed 2016·Granted Nov 21, 2017·2 cites·10 claims
- 1577US12479202B2Printing apparatusSEIKO EPSON CORP·Filed 2023·Granted Nov 25, 2025·0 cites·3 claims
- 1677US11316205B2Lithium ion secondary battery and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2021·Granted Apr 26, 2022·0 cites·3 claims
- 1774US9519236B2Reversibly allochroic toner, method of producing the same, toner cartridge, and image forming apparatusTOSHIBA TEC KK·Filed 2014·Granted Dec 13, 2016·1 cites·17 claims
- 1873US9531033B2Lithium secondary battery and manufacturing method thereforTAKAHATA KOJI·Filed 2009·Granted Dec 27, 2016·2 cites·6 claims
- 1973US9261805B1Toner set for printing system and printing systemTOSHIBA TEC KK·Filed 2014·Granted Feb 16, 2016·1 cites·20 claims
- 2073US4889723APharmaceutical compositions comprising esters or amides as active ingredientsONO PHARMACEUTICAL CO·Filed 1988·Granted Dec 26, 1989·34 cites·9 claims
- 2172US11123998B2Medium transport device and recording apparatusSEIKO EPSON CORP·Filed 2018·Granted Sep 21, 2021·1 cites·16 claims
- 2271US11433691B2Recording apparatusSEIKO EPSON CORP·Filed 2021·Granted Sep 6, 2022·0 cites·20 claims
- 2371US9128394B2Electrophotographic toner and method for producing the sameTOSHIBA TEC KK·Filed 2012·Granted Sep 8, 2015·1 cites·5 claims
- 2471US8755702B2Image forming apparatus and toner replenishing methodTAKEDA KAZUHISA·Filed 2011·Granted Jun 17, 2014·2 cites·16 claims
- 2570US11527746B2Lithium ion secondary battery and method of producing the sameTOYOTA MOTOR CO LTD·Filed 2021·Granted Dec 13, 2022·0 cites·6 claims
- 2670US10809646B2Toner cartridge and image forming apparatusTOSHIBA TEC KK·Filed 2019·Granted Oct 20, 2020·0 cites·20 claims
- 2770US10684568B2Reversibly allochroic toner, method of producing the same, toner cartridge, and image forming apparatusTOSHIBA TEC KK·Filed 2019·Granted Jun 16, 2020·0 cites·23 claims
- 2870US8790857B2Toner and process for production thereofITOU TSUYOSHI·Filed 2012·Granted Jul 29, 2014·1 cites·11 claims
- 2969US11152645B2Lithium ion secondary battery and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2018·Granted Oct 19, 2021·0 cites·4 claims
- 3069US10913292B2Recording apparatusSEIKO EPSON CORP·Filed 2019·Granted Feb 9, 2021·0 cites·16 claims
- 3169US10752027B2Medium transporting device and recording apparatusSEIKO EPSON CORP·Filed 2020·Granted Aug 25, 2020·0 cites·18 claims
- 3268US11009808B2Toner cartridge and image forming apparatusTOSHIBA TEC KK·Filed 2020·Granted May 18, 2021·0 cites·13 claims
- 3367US7681969B2Liquid ejection apparatusSEIKO EPSON CORP·Filed 2008·Granted Mar 23, 2010·2 cites·6 claims
- 3467US7444106B2Fixing member by heating and fixing device in image forming apparatusTOSHIBA KK·Filed 2007·Granted Oct 28, 2008·2 cites·24 claims
- 3567US5110602APharmaceutical compositions comprising esters or amides as active ingredientsONO PHARMACEUTICAL CO·Filed 1991·Granted May 5, 1992·26 cites·9 claims
- 3666US7239840B2Fixing member by heating and fixing device in image forming apparatusTOSHIBA TEC KK·Filed 2005·Granted Jul 3, 2007·2 cites·18 claims
- 3765US10971711B2Separator and non-aqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2018·Granted Apr 6, 2021·0 cites·19 claims
- 3865US10950860B2Graphite material for negative electrode of lithium ion secondary cell and method for producing the sameTOYOTA MOTOR CO LTD·Filed 2018·Granted Mar 16, 2021·0 cites·8 claims
- 3964US9757969B2Apparatus and method for forming an image with a non-decolorizable material and a decolorizable materialTOSHIBA TEC KK·Filed 2016·Granted Sep 12, 2017·0 cites·12 claims
- 4062US10647133B2Medium transporting device and recording apparatusSEIKO EPSON CORP·Filed 2018·Granted May 12, 2020·0 cites·20 claims
- 4162US9555657B2Color erasing apparatus, color erasing system and color erasing control methodTOSHIBA KK·Filed 2016·Granted Jan 31, 2017·0 cites·6 claims
- 4262US9539843B2Apparatus and method for forming an image with a non-decolorizable material and a decolorizable materialTOSHIBA TEC KK·Filed 2016·Granted Jan 10, 2017·0 cites·12 claims
- 4361US12130564B2Image forming apparatusTOSHIBA TEC KK·Filed 2022·Granted Oct 29, 2024·0 cites·20 claims
- 4461US10816912B2Toner cartridge and image forming apparatus using toner characteristics for improving image qualityTOSHIBA TEC KK·Filed 2019·Granted Oct 27, 2020·0 cites·20 claims
- 4561US9366983B2Decolorizable tonerTOSHIBA TEC KK·Filed 2014·Granted Jun 14, 2016·0 cites·5 claims
- 4661US9277075B2Color erasing apparatus, color erasing system and color erasing control methodTOSHIBA KK·Filed 2014·Granted Mar 1, 2016·0 cites·10 claims
- 4761US2017052467A1Reversibly allochroic toner, method of producing the same, toner cartridge, and image forming apparatusTOSHIBA TEC KK·Filed 2016·Application pending·0 cites
- 4860US10818962B2Negative electrode, lithium ion secondary battery, method of manufacturing negative electrode, and method of manufacturing lithium ion secondary batteryTOYOTA MOTOR CO LTD·Filed 2018·Granted Oct 27, 2020·0 cites·4 claims
- 4960US9360781B2Toner set for printing system and printing systemTOSHIBA TEC KK·Filed 2016·Granted Jun 7, 2016·0 cites·19 claims
- 5060US6647213B2Image forming apparatus having a mode in which a process unit may be replacedTOSHIBA KK·Filed 2001·Granted Nov 11, 2003·7 cites·38 claims
Showing the top 50 of 95 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kazuhisa Takeda files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →