Inventor · disambiguated record
Hitoshi Maruyama
Also filed as: MARUYAMA HITOSHI
55 granted patents·16 pending applications·918 citations·filing 1978–2025
98Inventor score
Top patents by PatentIndex Score
71 records- 0197US4567221AWater resistant compositionsKURARAY CO·Filed 1984·Granted Jan 28, 1986·87 cites·8 claims
- 0296US10503067B2Photosensitive resin composition, photosensitive dry film, photosensitive resin coating, and pattern forming processSHINETSU CHEMICAL CO·Filed 2018·Granted Dec 10, 2019·8 cites·12 claims
- 0394US4617239APaper coating agentKURARAY CO·Filed 1984·Granted Oct 14, 1986·76 cites·14 claims
- 0494US4492783ABinder for obtaining a ceramic molded green bodyKURARAY CO·Filed 1984·Granted Jan 8, 1985·72 cites·14 claims
- 0594US4157781ASelf balancing centrifugeMARUYAMA HITOSHI·Filed 1978·Granted Jun 12, 1979·114 cites·15 claims
- 0691US10982053B2Polymer containing silphenylene and polyether structuresSHINETSU CHEMICAL CO·Filed 2019·Granted Apr 20, 2021·6 cites·5 claims
- 0790US7751746B2Device for driving rotary body with mechanism for dampening fluctuation in rotation velocityRICOH KK·Filed 2008·Granted Jul 6, 2010·11 cites·19 claims
- 0887US7738813B2Corona charger having two charging regionsRICOH KK·Filed 2007·Granted Jun 15, 2010·9 cites·11 claims
- 0987US7551868B2Image forming apparatus and image forming methodRICOH KK·Filed 2007·Granted Jun 23, 2009·9 cites·20 claims
- 1086US5531080ARefrigerant circulating systemMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jul 2, 1996·38 cites·28 claims
- 1186US5355695ARefrigeration device using hydrofluorocarbon refrigerantMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Oct 18, 1994·63 cites·31 claims
- 1285US7787815B2Image forming deviceRICOH KK·Filed 2007·Granted Aug 31, 2010·8 cites·4 claims
- 1384US7657218B2Gloss providing sheet and image formation apparatusRICOH KK·Filed 2007·Granted Feb 2, 2010·7 cites·14 claims
- 1484US5420180ASized yarn and process thereforKURARAY CO·Filed 1993·Granted May 30, 1995·42 cites·5 claims
- 1584US4269729AMicroencapsulation process and resulting microcapsulesKURARAY CO·Filed 1979·Granted May 26, 1981·33 cites·12 claims
- 1679US7822351B2Filling-rate lowering and rolling rate adjusting image forming apparatusRICOH KK·Filed 2008·Granted Oct 26, 2010·5 cites·20 claims
- 1777US2025115719A1Fluorene skeleton-containing polymerSHINETSU CHEMICAL CO·Filed 2024·Application pending·0 cites
- 1876US8691328B2Process for production of aluminum complex comprising sintered porous aluminum bodyYANG JI-BIN·Filed 2010·Granted Apr 8, 2014·4 cites·5 claims
- 1976US2025102915A1Photosensitive resin composition and pattern forming processSHINETSU CHEMICAL CO·Filed 2024·Application pending·0 cites
- 2075US8180270B2Image forming apparatus for controlling glossiness of an imageYASUTOMI KEI·Filed 2008·Granted May 15, 2012·4 cites·12 claims
- 2175US5349008AProcess for suspension polymerization of vinyl compoundKURARAY CO·Filed 1991·Granted Sep 20, 1994·29 cites·9 claims
- 2275US4620872AComposite target material and process for producing the sameMITSUBISHI METAL CORP·Filed 1985·Granted Nov 4, 1986·33 cites·2 claims
- 2375US2025328074A1Photosensitive resin composition, photosensitive resin film, photosensitive dry film, patterning process, display, and micro-led displaySHINETSU CHEMICAL CO·Filed 2025·Application pending·0 cites
- 2474US4708947AWater resistant composition and heat-sensitive recording sheet containing the sameKURARAY CO·Filed 1986·Granted Nov 24, 1987·24 cites·28 claims
- 2573US5102950AWater soluble filmKURARAY CO·Filed 1991·Granted Apr 7, 1992·27 cites·10 claims
- 2673US2025298315A1Photosensitive resin composition, photosensitive resin coating, photosensitive dry film, and pattern forming processSHINETSU CHEMICAL CO·Filed 2025·Application pending·0 cites
- 2771US5387638AEmulsion compositionKURARAY CO·Filed 1993·Granted Feb 7, 1995·20 cites·5 claims
- 2871US5308910AComposition, adhesive and aqueous emulsionKURARAY CO·Filed 1992·Granted May 3, 1994·37 cites·4 claims
- 2970US5132146AMethod of aqueous ink printing on an ink absorbing layer being coated on a substrateKURARAY CO·Filed 1990·Granted Jul 21, 1992·16 cites·4 claims
- 3070US2025155812A1Photosensitive resin composition, photosensitive resin film, photosensitive dry film, and pattern-forming processSHINETSU CHEMICAL CO·Filed 2024·Application pending·0 cites
- 3170US2025251665A1Photosensitive resin composition, photosensitive resin film, photosensitive dry film, and pattern forming processSHINETSU CHEMICAL CO·Filed 2025·Application pending·0 cites
- 3268US5308911ASecondary suspending agent for suspension polymerization of vinyl compoundKURARAY CO·Filed 1993·Granted May 3, 1994·17 cites·4 claims
- 3368US2025237952A1Photosensitive resin composition, photosensitive resin film, photosensitive dry film, and pattern formation methodSHINETSU CHEMICAL CO·Filed 2022·Application pending·0 cites
- 3468US2024409694A1Polymer, resin coating, and dry filmSHINETSU CHEMICAL CO·Filed 2022·Application pending·0 cites
- 3563US11187982B2Photosensitive resin composition, photosensitive dry film, and pattern forming processSHINETSU CHEMICAL CO·Filed 2019·Granted Nov 30, 2021·0 cites·12 claims
- 3663US8190062B2Image forming apparatus with an image carrier including a light emitting element layerMARUYAMA HITOSHI·Filed 2009·Granted May 29, 2012·2 cites·9 claims
- 3763US5527852APaper coating agentKURARAY CO·Filed 1995·Granted Jun 18, 1996·22 cites·3 claims
- 3863US2024160105A1Photosensitive resin composition, photosensitive resin film, photosensitive dry film, and pattern formation methodSHINETSU CHEMICAL CO·Filed 2022·Application pending·0 cites
- 3960US5599870AAqueous emulsionKURARAY CO·Filed 1995·Granted Feb 4, 1997·18 cites·20 claims
- 4060US5331055AProcess for producing vinyl ester polymer and process for producing vinyl alcohol polymerKURARAY CO·Filed 1992·Granted Jul 19, 1994·12 cites·11 claims
- 4160US2025313664A1Siloxane-modified polyester resin and cured product thereofSHINETSU CHEMICAL CO·Filed 2025·Application pending·0 cites
- 4258US12420668B2Power supply control system and industrial vehicleTOYOTA JIDOSHOKKI KK·Filed 2022·Granted Sep 23, 2025·0 cites·8 claims
- 4358US2024345481A1Silphenylene-skeleton-containing polymer, photosensitive resin composition, pattern formation method, and method for manufacturing optical semiconductor deviceSHINETSU CHEMICAL CO·Filed 2022·Application pending·0 cites
- 4457US11119409B2Polysiloxane skeleton polymer, photosensitive resin composition, pattern forming process, and fabrication of opto-semiconductor deviceSHINETSU CHEMICAL CO·Filed 2019·Granted Sep 14, 2021·0 cites·14 claims
- 4555US12448485B2Photosensitive resin composition, photosensitive resin coating, photosensitive dry film, pattern formation methodSHINETSU CHEMICAL CO·Filed 2021·Granted Oct 21, 2025·0 cites·13 claims
- 4654US2024210831A1Photosensitive resin composition, photosensitive resin film, photosensitive dry film, and pattern formation methodSHINETSU CHEMICAL CO·Filed 2022·Application pending·0 cites
- 4754US2024288772A1Photosensitive resin composition, photosensitive resin film, photosensitive dry film, and pattern formation methodSHINETSU CHEMICAL CO·Filed 2022·Application pending·0 cites
- 4853US11693318B2Photosensitive resin composition, photosensitive resin coating, photosensitive dry film, and black matrixSHINETSU CHEMICAL CO·Filed 2019·Granted Jul 4, 2023·0 cites·17 claims
- 4950US2024184206A1Laminate, method for manufacturing laminate, and method for patterningSHINETSU CHEMICAL CO·Filed 2022·Application pending·0 cites
- 5049US12216405B2Photosensitive resin composition, photosensitive resin film, photosensitive dry film, patterning process, and light emitting deviceSHINETSU CHEMICAL CO·Filed 2020·Granted Feb 4, 2025·0 cites·19 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →