Inventor · disambiguated record
Toyoko Shibata
Also filed as: SHIBATA TOYOKO
42 granted patents·12 pending applications·348 citations·filing 1988–2022
97Inventor score
Files withKONICA MINOLTA INC28KONISHIROKU PHOTO IND12KONICA MINOLTA BUSINESS TECH8SAKIMURA TOMOKO3KONICA CORP1
Top patents by PatentIndex Score
54 records- 0194US5443922AOrganic thin film electroluminescence elementKONISHIROKU PHOTO IND·Filed 1992·Granted Aug 22, 1995·232 cites·9 claims
- 0290US10663902B2Gloss reduction in image post-processing method, image post-processing apparatus, and image forming apparatusKONICA MINOLTA INC·Filed 2018·Granted May 26, 2020·4 cites·14 claims
- 0387US9964871B2Electrophotographic photoreceptorKONICA MINOLTA INC·Filed 2016·Granted May 8, 2018·3 cites·6 claims
- 0478US10394144B2Electrophotographic photosensitive body and image forming apparatusKONICA MINOLTA INC·Filed 2018·Granted Aug 27, 2019·1 cites·11 claims
- 0576US6143452AElectrophotographic photoreceptorKONISHIROKU PHOTO IND·Filed 1999·Granted Nov 7, 2000·24 cites·41 claims
- 0675US8129083B2Electrophotographic photoreceptor and image forming apparatusSAKIMURA TOMOKO·Filed 2009·Granted Mar 6, 2012·5 cites·6 claims
- 0771US12006292B2Photoresponsive compoundKONICA MINOLTA INC·Filed 2022·Granted Jun 11, 2024·0 cites·14 claims
- 0871US6406825B1Electrophotographic photoreceptorKONISHIROKU PHOTO IND·Filed 2000·Granted Jun 18, 2002·12 cites·33 claims
- 0969US12181833B2Photoresponsive polymerKONICA MINOLTA INC·Filed 2021·Granted Dec 31, 2024·0 cites·26 claims
- 1066US10712682B2Toner and image forming methodKONICA MINOLTA INC·Filed 2019·Granted Jul 14, 2020·0 cites·17 claims
- 1165US12265356B2Photoresponsive polymer, photoresponsive adhesive, toner, and image forming methodKONICA MINOLTA INC·Filed 2021·Granted Apr 1, 2025·0 cites·23 claims
- 1264US11976230B2Photoresponsive material, adhesive, optical switching material, toner, and image forming methodKONICA MINOLTA INC·Filed 2021·Granted May 7, 2024·0 cites·14 claims
- 1363US12321132B2Resin composition, toner for developing electrostatic charge image, image forming method, photosensitive adhesive, and optical switching materialKONICA MINOLTA INC·Filed 2021·Granted Jun 3, 2025·0 cites·18 claims
- 1463US10551760B1Image recording composition, electrostatic image developing toner, and image forming methodKONICA MINOLTA INC·Filed 2019·Granted Feb 4, 2020·0 cites·15 claims
- 1562US10754287B2Image post-processing method, image post-processing apparatus and image forming apparatusKONICA MINOLTA INC·Filed 2018·Granted Aug 25, 2020·0 cites·13 claims
- 1662US7241543B2Image forming method, a photoreceptor used for the apparatus, and an image forming unitKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Jul 10, 2007·2 cites·19 claims
- 1761US5942359AElectrophotoreceptorKONISHIROKU PHOTO IND·Filed 1997·Granted Aug 24, 1999·14 cites·13 claims
- 1860US12398095B2Photoresponsive compound, adhesive, switching material, and toner containing the photoresponsive compound, and image forming method using the tonerKONICA MINOLTA INC·Filed 2021·Granted Aug 26, 2025·0 cites·14 claims
- 1960US11762276B2Photoresponsive compoundKONICA MINOLTA INC·Filed 2021·Granted Sep 19, 2023·0 cites·15 claims
- 2059US12025909B2Photoresponsive compoundKONICA MINOLTA INC·Filed 2022·Granted Jul 2, 2024·0 cites·14 claims
- 2159US10481528B2Image forming method, image forming apparatus, and toner image fixing apparatusKONICA MINOLTA INC·Filed 2018·Granted Nov 19, 2019·0 cites·15 claims
- 2258US8034519B2Electrophotographic photoreceptor and image formation methodKONICA MINOLTA BUSINESS TECH·Filed 2008·Granted Oct 11, 2011·1 cites·15 claims
- 2357US9304417B2Electrophotographic photoreceptor, electrophotographic image forming apparatus and process cartridgeKONICA MINOLTA INC·Filed 2014·Granted Apr 5, 2016·0 cites·10 claims
- 2456US11994827B2Photoresponsive polymerKONICA MINOLTA INC·Filed 2022·Granted May 28, 2024·0 cites·22 claims
- 2555US10197929B2Photoconductor and method for producing the sameKONICA MINOLTA INC·Filed 2017·Granted Feb 5, 2019·0 cites·5 claims
- 2653US6099998AElectrophotographic photoreceptor and a production method of the sameKONISHIROKU PHOTO IND·Filed 1998·Granted Aug 8, 2000·10 cites·10 claims
- 2753US5162181AElectrophotographic photoreceptor having a bisazo photoreceptive layerKONISHIROKU PHOTO IND·Filed 1991·Granted Nov 10, 1992·4 cites·15 claims
- 2852US10705474B2Image post-processing method and apparatus for emitting a glossiness control light, and image forming apparatusKONICA MINOLTA INC·Filed 2018·Granted Jul 7, 2020·0 cites·18 claims
- 2950US11702398B2Photoresponsive low-molecular weight material, adhesive, toner, and image forming methodKONICA MINOLTA INC·Filed 2020·Granted Jul 18, 2023·0 cites·10 claims
- 3050US6919155B2Organic photoreceptor and image forming methodKONISHIROKU PHOTO IND·Filed 2002·Granted Jul 19, 2005·3 cites·8 claims
- 3147US12037531B2Photoresponsive high-molecular weight material, adhesive, toner, and image forming methodKONICA MINOLTA INC·Filed 2020·Granted Jul 16, 2024·0 cites·21 claims
- 3247US7175954B2Electrophotographic photoreceptorKONICA MINOLTA HOLDINGS INC·Filed 2004·Granted Feb 13, 2007·3 cites·17 claims
- 3347US5718997AElectrophotographic photoreceptorKONISHIROKU PHOTO IND·Filed 1996·Granted Feb 17, 1998·8 cites·10 claims
- 3447US4939058ABisazo photo-receptor for electrophotographyKONISHIROKU PHOTO IND·Filed 1988·Granted Jul 3, 1990·9 cites·14 claims
- 3546US8158314B2Organic photoreceptor and image forming apparatusSAKIMURA TOMOKO·Filed 2009·Granted Apr 17, 2012·0 cites·8 claims
- 3643US9541848B2Electrophotographic photoreceptorKONICA MINOLTA INC·Filed 2015·Granted Jan 10, 2017·0 cites·8 claims
- 3743US2020264527A1Electrostatic image developing toner and image forming methodKONICA MINOLTA INC·Filed 2019·Application pending·0 cites
- 3842US2009104551A1Electrophotographic photoreceptor, image forming method and image formingKONICA MINOLTA BUSINESS TECH·Filed 2008·Application pending·0 cites
- 3942US2020103779A1Image forming method, image forming apparatus, fixing device, and image-formed productKONICA MINOLTA INC·Filed 2019·Application pending·0 cites
- 4042US2009214968A1Mixture of bisamine compounds, electrophotographic photoreceptor, method for forming image, and image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2009·Application pending·0 cites
- 4141US7238457B2Electrophotographic photoreceptorKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Jul 3, 2007·0 cites·17 claims
- 4241US5849444AElectrophotographic photoreceptor with aliphatic amine containing electron transporting layerKONISHIROKU PHOTO IND·Filed 1997·Granted Dec 15, 1998·5 cites·6 claims
- 4341US2009148784A1Electrophotographic photoreceptor and image formation methodKONICA MINOLTA BUSINESS TECH·Filed 2008·Application pending·0 cites
- 4440US2008166645A1Pyranthrone type compound, organic photoreceptor, image forming method and image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2007·Application pending·0 cites
- 4539US7074539B2Organic photoreceptor and image forming methodKONICA CORP·Filed 2004·Granted Jul 11, 2006·0 cites·13 claims
- 4638US2017307990A1Image bearing member for electrophotography and method for producing the sameKONICA MINOLTA INC·Filed 2017·Application pending·0 cites
- 4737US5565288AElectrophotographic photoreceptorKONISHIROKU PHOTO IND·Filed 1995·Granted Oct 15, 1996·5 cites·6 claims
- 4837US2017219943A1Electrophotographic image supportKONICA MINOLTA INC·Filed 2017·Application pending·0 cites
- 4936US6027845AElectrophotography photosensitive elementKONISHIROKU PHOTO IND·Filed 1997·Granted Feb 22, 2000·3 cites·2 claims
- 5035US2016231658A1Electrophotographic photoreceptor and image forming apparatusKONICA MINOLTA INC·Filed 2016·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
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