Inventor · disambiguated record
Yohei Doi
Also filed as: DOI YOHEI
34 granted patents·10 pending applications·48 citations·filing 2002–2025
95Inventor score
Top patents by PatentIndex Score
44 records- 0196US11275330B2Image forming apparatus having a fixing unit and heating control methodTOSHIBA TEC KK·Filed 2021·Granted Mar 15, 2022·3 cites·20 claims
- 0294US11927901B2Image forming apparatusTOSHIBA TEC KK·Filed 2022·Granted Mar 12, 2024·2 cites·20 claims
- 0394US10990044B2Image forming apparatus having a fixing unit and heating control methodTOSHIBA TEC KK·Filed 2020·Granted Apr 27, 2021·3 cites·20 claims
- 0490US2025355386A1Image forming apparatusTOSHIBA TEC KK·Filed 2025·Application pending·0 cites
- 0587US9592696B2Power control device, power control method, and recording mediumTOSHIBA KK·Filed 2015·Granted Mar 14, 2017·2 cites·20 claims
- 0686US12498658B2Heating device with a heat conductor including portions having different thicknessesTOSHIBA TEC KK·Filed 2024·Granted Dec 16, 2025·0 cites·20 claims
- 0786US7672632B2Fixing apparatus using induction heating system for image forming apparatusTOSHIBA KK·Filed 2007·Granted Mar 2, 2010·8 cites·13 claims
- 0884US7925197B2Fixing apparatus of image forming apparatusTOSHIBA KK·Filed 2007·Granted Apr 12, 2011·6 cites·5 claims
- 0982US12393142B2Image forming apparatusTOSHIBA TEC KK·Filed 2024·Granted Aug 19, 2025·0 cites·18 claims
- 1082US11281132B2Image forming apparatus and heating methodTOSHIBA TEC KK·Filed 2020·Granted Mar 22, 2022·1 cites·18 claims
- 1182US11150582B2Image forming apparatus and image fixing methodTOSHIBA TEC KK·Filed 2020·Granted Oct 19, 2021·1 cites·17 claims
- 1281US12124195B2Image forming apparatus having a fixing unit and heating control methodTOSHIBA TEC KK·Filed 2023·Granted Oct 22, 2024·0 cites·17 claims
- 1381US12055878B2Heating device with a heat conductor including portions having different thicknessesTOSHIBA TEC KK·Filed 2023·Granted Aug 6, 2024·0 cites·16 claims
- 1481US7787789B2Fixing device for image forming apparatusTOSHIBA KK·Filed 2007·Granted Aug 31, 2010·6 cites·22 claims
- 1579US12124196B2Image forming apparatus and image fixing methodTOSHIBA TEC KK·Filed 2023·Granted Oct 22, 2024·0 cites·16 claims
- 1679US8050610B2Fixing apparatus of image forming apparatusTOSHIBA KK·Filed 2011·Granted Nov 1, 2011·2 cites·16 claims
- 1777US11669033B2Heating device with a heat conductor including portions having different thicknessesTOSHIBA TEC KK·Filed 2022·Granted Jun 6, 2023·0 cites·20 claims
- 1876US11774887B2Image forming apparatus having a fixing unit and heating control methodTOSHIBA TEC KK·Filed 2022·Granted Oct 3, 2023·0 cites·20 claims
- 1975US8036556B2Fixing device having an electric power control system to an induction heating coil for image forming apparatusTOSHIBA KK·Filed 2007·Granted Oct 11, 2011·4 cites·27 claims
- 2075US7792445B2Drive detection device for fixing deviceTOSHIBA KK·Filed 2007·Granted Sep 7, 2010·4 cites·20 claims
- 2174US11868067B2Image forming apparatus and heating methodTOSHIBA TEC KK·Filed 2022·Granted Jan 9, 2024·0 cites·13 claims
- 2274US2024351265A1Method of producing stretch-blow-molded article, resin composition, method of producing the resin composition, pellets and method of producing the pelletsCANON KK·Filed 2024·Application pending·0 cites
- 2373US11307522B2Heating device with a heat conductor including portions having different thicknessesTOSHIBA TEC KK·Filed 2021·Granted Apr 19, 2022·0 cites·20 claims
- 2473US2024300161A1Stretch blow-molded article and method for producing stretch blow-molded articleCANON KK·Filed 2024·Application pending·0 cites
- 2573US2024300160A1Method of producing blow-molded product, resin composition, and pelletsCANON KK·Filed 2024·Application pending·0 cites
- 2672US11385579B2Image forming apparatusTOSHIBA TEC KK·Filed 2021·Granted Jul 12, 2022·0 cites·20 claims
- 2771US11809108B2Image forming apparatus and image fixing methodTOSHIBA TEC KK·Filed 2021·Granted Nov 7, 2023·0 cites·9 claims
- 2871US8078073B2Temperature control of a fixing apparatus using an induction heating systemKINOUCHI SATOSHI·Filed 2007·Granted Dec 13, 2011·4 cites·15 claims
- 2970US11106164B2Heating device including a heat conductor having a surface with a grooveTOSHIBA TEC KK·Filed 2020·Granted Aug 31, 2021·0 cites·16 claims
- 3068US2024351732A1Stretch blow-molded article, toner bottle, and method for manufacturing stretch blow-molded article, molded article, and pelletCANON KK·Filed 2024·Application pending·0 cites
- 3167US2024352221A1Stretch blow-molded article, toner bottle, and method for manufacturing stretch blow-molded article, molded article, and pelletCANON KK·Filed 2024·Application pending·0 cites
- 3266US9975369B2Power control device, power control method, and recording mediumTOSHIBA KK·Filed 2017·Granted May 22, 2018·0 cites·8 claims
- 3362US12172845B2Cylindrical body and apparatusCANON KK·Filed 2022·Granted Dec 24, 2024·0 cites·21 claims
- 3461US8099007B2Fixing apparatus for image forming apparatusTSUEDA YOSHINORI·Filed 2007·Granted Jan 17, 2012·2 cites·20 claims
- 3559US11073776B2Image forming apparatus, image forming method and non-transitory recording mediumTOSHIBA TEC KK·Filed 2019·Granted Jul 27, 2021·0 cites·17 claims
- 3656US10981307B2Manufacturing method of molded product, molded product, cartridge, and image forming apparatusCANON KK·Filed 2018·Granted Apr 20, 2021·0 cites·6 claims
- 3750US11415926B1Fixing device and image forming apparatusTOSHIBA TEC KK·Filed 2021·Granted Aug 16, 2022·0 cites·15 claims
- 3846US7613410B2Image formation apparatus and heat roller adjustment support methodTOSHIBA KK·Filed 2007·Granted Nov 3, 2009·0 cites·20 claims
- 3943US8218991B2Fixing device for image forming apparatusNAKAYAMA HIROSHI·Filed 2007·Granted Jul 10, 2012·0 cites·13 claims
- 4040US2018373184A1Image forming apparatus and image forming methodTOSHIBA KK·Filed 2018·Application pending·0 cites
- 4137US8620200B2Image forming apparatus and control methodDOI YOHEI·Filed 2011·Granted Dec 31, 2013·0 cites·20 claims
- 4233US2018272585A1Method of producing molded product, molded product, cartridge, and image forming apparatusCANON KK·Filed 2018·Application pending·0 cites
- 4332US2003219262A1Toner supply device, toner cartridge and method for discriminating authenticity of toner cartridgeTOSHIBA TEC KK·Filed 2002·Application pending·0 cites
- 4430US2011293298A1Image forming apparatus and maintenance control method for the sameDOI YOHEI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →