Inventor · disambiguated record
Hirofumi Nakamura
Also filed as: NAKAMURA HIROFUMI
90 granted patents·31 pending applications·1,317 citations·filing 1989–2023
99Inventor score
Top patents by PatentIndex Score
121 records- 0197US6488355B2Ink jet headFUJI XEROX CO LTD·Filed 2001·Granted Dec 3, 2002·103 cites·20 claims
- 0295US5750816AProcess for the preparation of α-olefin oligomersMITSUBISHI CHEM CORP·Filed 1996·Granted May 12, 1998·98 cites·29 claims
- 0394US5910619AProcess for producing α-olefin oligomersMITSUBISHI CHEM CORP·Filed 1995·Granted Jun 8, 1999·120 cites·35 claims
- 0493US8802337B2Electrophotographic photoreceptor, image forming apparatus, and process cartridgeFUJI XEROX CO LTD·Filed 2012·Granted Aug 12, 2014·8 cites·15 claims
- 0593US5750817AProcess for producing α-olefin oligomers and α-olefin oligomer compositionsMITSUBISHI CHEM CORP·Filed 1996·Granted May 12, 1998·93 cites·42 claims
- 0690US5856612AProcess for producing α-olefin oligomerMITSUBISHI CHEM CORP·Filed 1997·Granted Jan 5, 1999·103 cites·16 claims
- 0789US7571997B2Inkjet recording device and inkjet recording head having current plates for regulating ink flowFUJI XEROX CO LTD·Filed 2005·Granted Aug 11, 2009·10 cites·13 claims
- 0888US7451341B2Storage system and communications path control method for storage systemHITACHI LTD·Filed 2004·Granted Nov 11, 2008·77 cites·20 claims
- 0987US9766653B2Display and electronic unitSONY CORP·Filed 2015·Granted Sep 19, 2017·2 cites·7 claims
- 1087US7702256B2Image-forming apparatus including an electrophotographic photoreceptor having an undercoat layer with metal oxide particles and an acceptor compoundFUJI XEROX CO LTD·Filed 2005·Granted Apr 20, 2010·9 cites·12 claims
- 1186US7980679B2Piezoelectric element, liquid droplet ejecting head, image forming device, and method of manufacturing liquid droplet ejecting headFUJI XEROX CO LTD·Filed 2007·Granted Jul 19, 2011·8 cites·21 claims
- 1286US6773857B2Electrophotographic photoreceptor, processes for producing the same, process cartridge, and electrophotographic apparatusFUJI XEROX CO LTD·Filed 2002·Granted Aug 10, 2004·28 cites·18 claims
- 1385US8164191B2Semiconductor deviceNAKAMURA HIROFUMI·Filed 2009·Granted Apr 24, 2012·13 cites·35 claims
- 1485US7317610B2Sheet-shaped capacitor and method for manufacture thereofNEC TOPPAN CIRCUIT SOLUTIONS·Filed 2005·Granted Jan 8, 2008·15 cites·21 claims
- 1584US8673524B2Electrophotographic photoreceptor, process cartridge, and image forming apparatusNAKAMURA HIROFUMI·Filed 2012·Granted Mar 18, 2014·3 cites·19 claims
- 1684US8591163B2FOUP opener and operating method thereofTOYODA NORIYOSHI·Filed 2011·Granted Nov 26, 2013·13 cites·16 claims
- 1784US6450615B2Ink jet printing apparatus and method using a pressure generating device to induce surface waves in an ink meniscusNEC CORP·Filed 1998·Granted Sep 17, 2002·49 cites·12 claims
- 1883US6326234B1Semiconductor device and method for manufacturing the sameNEC CORP·Filed 2000·Granted Dec 4, 2001·31 cites·5 claims
- 1982US7655449B2β-fructofuranosidase variantsMEIJI SEIKA KAISHA·Filed 2005·Granted Feb 2, 2010·6 cites·16 claims
- 2082US7297224B2Method of deinking waste paper using cellulase without lowering paper strength and method of evaluating the sameMEIJI SEIKA KAISHA·Filed 2001·Granted Nov 20, 2007·10 cites·2 claims
- 2182US6184400B1Method of manufacturing a fatty acid ester of polyoxyalkylene alkyl etherLION CORP·Filed 1998·Granted Feb 6, 2001·28 cites·8 claims
- 2281US6695437B2Inkjet recording head and method for driving an inkjet recording headFUJI XEROX CO LTD·Filed 2002·Granted Feb 24, 2004·21 cites·32 claims
- 2380US6882544B2Printed circuit board, method for producing same and semiconductor deviceNEC TOKIN CORP·Filed 2003·Granted Apr 19, 2005·24 cites·42 claims
- 2478US8563971B2Light emitting deviceSONY CORP·Filed 2013·Granted Oct 22, 2013·3 cites·8 claims
- 2578US5374750AMethod and manufacturing of fatty acid esters of polyoxyalkylene alkyl ethersLION CORP·Filed 1993·Granted Dec 20, 1994·19 cites·12 claims
- 2677US8841658B2Light-emitting elementSONY CORP·Filed 2013·Granted Sep 23, 2014·2 cites·34 claims
- 2777US7153574B2Surface grafted metal oxide particles and compositions comprising the sameFUJI XEROX CO LTD·Filed 2004·Granted Dec 26, 2006·18 cites·18 claims
- 2877US6100597ASemiconductor device and method for manufacturing the sameNEC CORP·Filed 1997·Granted Aug 8, 2000·44 cites·5 claims
- 2976US8334530B2Light-emitting element and method for production thereofNEGISHI EISUKE·Filed 2010·Granted Dec 18, 2012·3 cites·12 claims
- 3076US6550897B2Inkjet recording head and recording apparatus using the sameFUJI XEROX CO LTD·Filed 2001·Granted Apr 22, 2003·17 cites·29 claims
- 3176US5817844AMethod of manufacturing a fatty acid ester of polyoxyalkylene alkyl etherLION CORP·Filed 1996·Granted Oct 6, 1998·33 cites·16 claims
- 3276US5585914AApparatus and method for measuring a temperature of a high temperature liquid contained in a furnaceNIPPON KOKAN KK·Filed 1994·Granted Dec 17, 1996·52 cites·30 claims
- 3375US9111978B2Substrate carrier measuring jig, collision preventing jig, and collision preventing method using the collision preventing jigMORI SHOICHI·Filed 2010·Granted Aug 18, 2015·5 cites·34 claims
- 3475US6222303B1Piezoelectric actuator having an array of drive columnsNEC CORP·Filed 1999·Granted Apr 24, 2001·32 cites·1 claims
- 3574US8524428B2Electrophotographic photoreceptor, process cartridge, and image forming apparatusNAKAMURA HIROFUMI·Filed 2010·Granted Sep 3, 2013·2 cites·12 claims
- 3674US6607981B1Method for forming a Cu interconnect patternNEC CORP·Filed 2000·Granted Aug 19, 2003·19 cites·11 claims
- 3774US5012012AAlkoxylation catalystLION CORP·Filed 1989·Granted Apr 30, 1991·21 cites·18 claims
- 3872US9488886B2Display unit and electronic apparatusSONY CORP·Filed 2014·Granted Nov 8, 2016·1 cites·12 claims
- 3972US9282638B2Electrode, electrode material, and electrode formation methodZYCUBE CO LTD·Filed 2013·Granted Mar 8, 2016·3 cites·6 claims
- 4071US7595423B2Process for producing trans-1,4-cyclohexanedicarboxylic acidMITSUBISHI CHEM CORP·Filed 2007·Granted Sep 29, 2009·1 cites·8 claims
- 4168US6626525B1Actuator for an ink jet recording headFUJI XEROX CO LTD·Filed 1999·Granted Sep 30, 2003·24 cites·31 claims
- 4266US10073490B2Display and electronic unitSONY CORP·Filed 2017·Granted Sep 11, 2018·0 cites·10 claims
- 4366US6337201B1β-fructofuranosidase and its gene, method of isolating β-fructofuranosidase gene, system for producing β-fructofuranosidase, and β-fructofuranosidase variantMEIJI SEIKA KAISHA·Filed 1997·Granted Jan 8, 2002·20 cites·10 claims
- 4465US8426847B2Light emitting deviceNAKAMURA HIROFUMI·Filed 2010·Granted Apr 23, 2013·1 cites·9 claims
- 4565US2025305101A1Seamless steel pipeNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 4664US9242424B2Display device and electronic apparatusSONY CORP·Filed 2013·Granted Jan 26, 2016·1 cites·16 claims
- 4764US7476660B2Composition and method for organ preservationMEIJI SEIKA KAISHA·Filed 2003·Granted Jan 13, 2009·3 cites·7 claims
- 4863US7763406B2Electrophotographic photoreceptor, process cartidge and electrophotographic apparatusFUJI XEROX CO LTD·Filed 2005·Granted Jul 27, 2010·2 cites·16 claims
- 4963US7561828B2Image-forming apparatus including an electrophotographic photoreceptor having an undercoat layerFUJI XEROX CO LTD·Filed 2005·Granted Jul 14, 2009·2 cites·22 claims
- 5062US6558483B2Cu precipitation strengthened steelSUMITOMO METAL IND·Filed 2001·Granted May 6, 2003·3 cites·8 claims
Showing the top 50 of 121 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →