Inventor · disambiguated record
Hiroshi Handa
Also filed as: HANDA HIROSHI
61 granted patents·22 pending applications·238 citations·filing 1989–2022
98Inventor score
Top patents by PatentIndex Score
83 records- 0198US8682216B2Developing cartridge and process cartridge for stably rotating developing rollerHANDA HIROSHI·Filed 2011·Granted Mar 25, 2014·37 cites·8 claims
- 0298US8494419B2Processing unit including developing roller having roller body and covering layer covering circumferential surface of roller body, and supporting member that supports developing rollerSHIRAKI MASATOSHI·Filed 2011·Granted Jul 23, 2013·35 cites·10 claims
- 0396US9611465B2Pharmaceutical composition containing core factor involved in proliferation and differentiation of central nervous cellCELGENE CORP·Filed 2015·Granted Apr 4, 2017·29 cites·3 claims
- 0492US9632077B2Detection system of test substanceTOPPAN PRINTING CO LTD·Filed 2015·Granted Apr 25, 2017·7 cites·8 claims
- 0589US10969719B2Fixing device including mechanism for varying pressure at nip region between rotary body and pressure bodyBROTHER IND LTD·Filed 2020·Granted Apr 6, 2021·2 cites·20 claims
- 0689US9625875B2Developing cartridge and process cartridge for stably rotating developing rollerBROTHER IND LTD·Filed 2016·Granted Apr 18, 2017·2 cites·13 claims
- 0788US9250603B2Developing cartridge and process cartridge for stably rotating developing rollerBROTHER IND LTD·Filed 2015·Granted Feb 2, 2016·2 cites·19 claims
- 0888US9217743B2Screening method utilizing thalidomide-targeting factorHANDA HIROSHI·Filed 2010·Granted Dec 22, 2015·9 cites·12 claims
- 0988US8923711B2Image forming apparatus configured to control a transfer biasHANDA HIROSHI·Filed 2012·Granted Dec 30, 2014·5 cites·6 claims
- 1088US8781377B2Developing deviceSHIRAKI MASATOSHI·Filed 2010·Granted Jul 15, 2014·4 cites·9 claims
- 1182US9317008B2Image forming apparatus employing cleanerless systemBROTHER IND LTD·Filed 2015·Granted Apr 19, 2016·3 cites·13 claims
- 1281US9348299B2Developing cartridge and process cartridge for stably rotating developing rollerBROTHER IND LTD·Filed 2015·Granted May 24, 2016·1 cites·6 claims
- 1381US9069280B2Developing cartridge and process cartridge for stably rotating developing rollerBROTHER IND LTD·Filed 2014·Granted Jun 30, 2015·1 cites·23 claims
- 1480US9020395B2Developing cartridge and process cartridge for stably rotating developing rollerBROTHER IND LTD·Filed 2014·Granted Apr 28, 2015·1 cites·17 claims
- 1580US8251885B2Applications of alternating magnetic fields on magnetic nanoparticlesUEDA TOMOAKI·Filed 2009·Granted Aug 28, 2012·23 cites·18 claims
- 1679US10272117B2Methods of using an activator of cereblon for neural cell expansion and the treatment of central nervous system disordersCELGENE CORP·Filed 2015·Granted Apr 30, 2019·3 cites·23 claims
- 1776US9946219B2Image forming apparatus provided with heating unit and pressure rollerBROTHER IND LTD·Filed 2016·Granted Apr 17, 2018·1 cites·18 claims
- 1874US11635716B2Device including rotator and belt, such as a fixing unit for an image forming apparatusBROTHER IND LTD·Filed 2022·Granted Apr 25, 2023·0 cites·11 claims
- 1974US9958817B2Fixing deviceBROTHER IND LTD·Filed 2016·Granted May 1, 2018·1 cites·17 claims
- 2074US8394413B2Spherical ferrite nanoparticles and method for producing the sameABE MASANORI·Filed 2012·Granted Mar 12, 2013·1 cites·20 claims
- 2173US8855524B2Developing apparatus, process cartridge and image forming apparatusNAKAJIMA KEIGO·Filed 2011·Granted Oct 7, 2014·2 cites·9 claims
- 2272US11300907B2Device including rotator and belt, such as a fixing unit for an image forming apparatusBROTHER IND LTD·Filed 2021·Granted Apr 12, 2022·0 cites·16 claims
- 2372US10996600B2Device including rotator and belt, such as a fixing unit for an image forming apparatusBROTHER IND LTD·Filed 2019·Granted May 4, 2021·0 cites·22 claims
- 2471US5122600ADNA-immobilized microspheres and a process for purifying a DNA-transcription-controlling factor using the sameNIPPON ZEON CO·Filed 1989·Granted Jun 16, 1992·23 cites·10 claims
- 2570US10942478B2Device including rotator and belt, such as a fixing device for an image forming apparatusBROTHER IND LTD·Filed 2019·Granted Mar 9, 2021·0 cites·17 claims
- 2670US9164420B2Developing device having seal member and recess portion in the developing rollerHANDA HIROSHI·Filed 2013·Granted Oct 20, 2015·1 cites·9 claims
- 2770US5629406AInhibitors of HIV proteaseSANKYO CO·Filed 1994·Granted May 13, 1997·14 cites·6 claims
- 2869US10928762B2Fixing deviceBROTHER IND LTD·Filed 2019·Granted Feb 23, 2021·0 cites·18 claims
- 2969US2018273790A1Method of manufacturing polymer coated ferromagnetic particlesTOKYO INST TECH·Filed 2018·Application pending·0 cites
- 3068US10948858B2Device including rotator and belt, such as a fixing device for an image forming apparatusBROTHER IND LTD·Filed 2019·Granted Mar 16, 2021·0 cites·22 claims
- 3168US9139816B2Viral particle-like structure in physiological conditions, and method of forming itHANDA HIROSHI·Filed 2010·Granted Sep 22, 2015·1 cites·19 claims
- 3267US11392067B2Fixing device including plural nip padsBROTHER IND LTD·Filed 2021·Granted Jul 19, 2022·0 cites·19 claims
- 3367US9327024B2Polymer coated ferrite fine particles and method for preparing polymer coated ferrite fine particlesHANDA HIROSHI·Filed 2010·Granted May 3, 2016·1 cites·20 claims
- 3467US9268261B2Developing device for preventing toner leakageHANDA HIROSHI·Filed 2013·Granted Feb 23, 2016·1 cites·9 claims
- 3567US9026004B2Developing cartridge and process cartridge for stably rotating developing rollerBROTHER IND LTD·Filed 2014·Granted May 5, 2015·0 cites·6 claims
- 3667US8399022B2Spherical ferrite nanoparticles and method for producing the sameABE MASANORI·Filed 2007·Granted Mar 19, 2013·0 cites·6 claims
- 3767US8265529B2Configuration of a developing device blade and image forming apparatusMORI HIROKI·Filed 2010·Granted Sep 11, 2012·1 cites·7 claims
- 3867US7885564B2Image forming deviceBROTHER IND LTD·Filed 2009·Granted Feb 8, 2011·2 cites·13 claims
- 3966US11977345B2Device including rotator and belt, such as a fixing device for an image forming apparatusBROTHER IND LTD·Filed 2021·Granted May 7, 2024·0 cites·19 claims
- 4066US8852555B2Process for production of surface-coated inorganic particlesHANDA HIROSHI·Filed 2008·Granted Oct 7, 2014·2 cites·16 claims
- 4165US11327424B2Fixing device including mechanism for varying pressure at nip region between rotary body and pressure bodyBROTHER IND LTD·Filed 2021·Granted May 10, 2022·0 cites·18 claims
- 4265US8346130B2Image forming apparatus and a method of cleaning photosensitive drum surfaceBROTHER IND LTD·Filed 2010·Granted Jan 1, 2013·1 cites·9 claims
- 4364US11693343B2Device including rotator and belt, such as a fixing device for an image forming apparatusBROTHER IND LTD·Filed 2021·Granted Jul 4, 2023·0 cites·20 claims
- 4463US10599092B2Image forming apparatus provided with fixing member engaged to roller and frameBROTHER IND LTD·Filed 2018·Granted Mar 24, 2020·0 cites·15 claims
- 4563US9494580B2Polymer particle containing fluorescent molecule and method for producing the sameHANDA HIROSHI·Filed 2009·Granted Nov 15, 2016·1 cites·5 claims
- 4663US2017267891A1Method of manufacturing polymer coated ferromagnetic particlesTOKYO INST TECH·Filed 2017·Application pending·0 cites
- 4761US9280082B2Developing deviceBROTHER IND LTD·Filed 2014·Granted Mar 8, 2016·0 cites·1 claims
- 4861US2016032130A1Method of manufacturing polymer coated ferromagnetic particlesTOKYO INST TECH·Filed 2015·Application pending·0 cites
- 4960US5986072AIsolating substances with 3-[(5-(2,3-dimethoxy-6-methyl-1,4-benzoquinonyl)]-2-nonyl-2-propionic acid coupled to a microsphereFiled 1997·Granted Nov 16, 1999·10 cites·12 claims
- 5059US10625515B2Fuser including endless belt and pressure roller having porous layer impregnated with lubricating agentBROTHER IND LTD·Filed 2018·Granted Apr 21, 2020·0 cites·21 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →