Inventor · disambiguated record
Hiroaki Nasu
Also filed as: NASU HIROAKI
33 granted patents·2 pending applications·400 citations·filing 1992–2024
97Inventor score
Top patents by PatentIndex Score
35 records- 0190US6088262ASemiconductor device and electronic equipment having a non-volatile memory with a security functionSEIKO EPSON CORP·Filed 1998·Granted Jul 11, 2000·161 cites·17 claims
- 0288US6121719ASpark plug having a multi-layered electrodeNGK SPARK PLUG CO·Filed 1998·Granted Sep 19, 2000·43 cites·12 claims
- 0386US6236148B1Spark plug with specific metal shell coatingNGK SPARK PLUG CO·Filed 2000·Granted May 22, 2001·18 cites·8 claims
- 0483US8704434B2Spark plug and method of manufacturing the sameNGK SPARK PLUG CO·Filed 2013·Granted Apr 22, 2014·5 cites·16 claims
- 0582US8421324B2Spark plug, metal shell for spark plug, and method of manufacturing spark plugNASU HIROAKI·Filed 2010·Granted Apr 16, 2013·4 cites·11 claims
- 0680US8593046B2Spark plug having a novel nickel coating for the metal shellNGK SPARK PLUG CO·Filed 2013·Granted Nov 26, 2013·3 cites·6 claims
- 0777US6528929B1Spark plug with iridium-based alloy chipNGK SPARK PLUG CO·Filed 1999·Granted Mar 4, 2003·28 cites·4 claims
- 0877US6411550B1Semiconductor integrated-circuit deviceSEIKO EPSON CORP·Filed 2000·Granted Jun 25, 2002·25 cites·20 claims
- 0974US6768249B1Spark plug and producing method thereforNGK SPARK PLUG CO·Filed 2000·Granted Jul 27, 2004·13 cites·16 claims
- 1073US8946976B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Feb 3, 2015·2 cites·9 claims
- 1171US7420604B2Image-processing device with image-pickup validity indication and processing method thereofSEIKO EPSON CORP·Filed 2004·Granted Sep 2, 2008·9 cites·15 claims
- 1270US8716924B2Spark plug having stress corrosion cracking resistanceNASU HIROAKI·Filed 2011·Granted May 6, 2014·2 cites·16 claims
- 1370US6538365B2Metal member with chromate coat, spark plug with chromate coat and manufacturing methods thereofNGK SPARK PLUG CO·Filed 2001·Granted Mar 25, 2003·12 cites·8 claims
- 1467US7122947B2Glow plug and spark plug, and manufacturing method thereforNGK SPARK PLUG CO·Filed 2004·Granted Oct 17, 2006·7 cites·7 claims
- 1566US6437493B2Glow plug and spark plug, and manufacturing method thereforNGK SPARK PLUG CO·Filed 2001·Granted Aug 20, 2002·5 cites·12 claims
- 1666US6388924B1Semiconductor integrated device and electronic apparatus mounted with the deviceSEIKO EPSON CORP·Filed 2000·Granted May 14, 2002·14 cites·11 claims
- 1765US7492402B2Image-processing device, image-processing method and solid-state image pickup deviceSEIKO EPSON CORP·Filed 2004·Granted Feb 17, 2009·6 cites·8 claims
- 1865US7080785B2Image-processing device, image-processing method and solid-state image-pickup deviceSEIKO EPSON CORP·Filed 2004·Granted Jul 25, 2006·6 cites·5 claims
- 1962US8477934B2Pairing computation device, pairing computation method and recording medium storing pairing computation programNOGAMI YASUYUKI·Filed 2010·Granted Jul 2, 2013·2 cites·24 claims
- 2058US2025173743A1Proposal support system, proposal support method, and proposal support programHITACHI LTD·Filed 2024·Application pending·0 cites
- 2157US12056166B2System and method for supporting corporate businessHITACHI LTD·Filed 2023·Granted Aug 6, 2024·0 cites·10 claims
- 2257US6688932B2Method for manufacturing spark plug and caulking metallic moldNGK SPARK PLUG CO·Filed 2002·Granted Feb 10, 2004·3 cites·13 claims
- 2356US2019188621A1Product narrowing down support system and methodHITACHI LTD·Filed 2018·Application pending·0 cites
- 2454US5548696AImage processing apparatusSEIKO EPSON CORP·Filed 1993·Granted Aug 20, 1996·14 cites·19 claims
- 2548US9130355B2Spark plugKODAMA KAZUHIRO·Filed 2011·Granted Sep 8, 2015·0 cites·8 claims
- 2648US6766408B2Semiconductor integrated circuit and method for writing into non-volatile memory using a program received by external communicationSEIKO EPSON CORP·Filed 2001·Granted Jul 20, 2004·5 cites·3 claims
- 2747US8853927B2Spark plug, and main metal fitting for spark plugNASU HIROAKI·Filed 2011·Granted Oct 7, 2014·0 cites·4 claims
- 2847US8742653B2Spark plug and metal shell for spark plugKODAMA KAZUHIRO·Filed 2011·Granted Jun 3, 2014·0 cites·8 claims
- 2947US6846416B2Process for treating chromate waste liquidNGK SPARK PLUG CO·Filed 2001·Granted Jan 25, 2005·7 cites·32 claims
- 3044US11715055B2Manufacture and sales strategy planning method and device thereofHITACHI LTD·Filed 2021·Granted Aug 1, 2023·0 cites·18 claims
- 3142US6838809B2Chromate film-containing plug metal component and method for producing the sameNGK SPARK PLUG CO·Filed 2002·Granted Jan 4, 2005·0 cites·2 claims
- 3242US6791245B2Glow plug and spark plug, and manufacturing method thereforNGK SPARK PLUG CO·Filed 2002·Granted Sep 14, 2004·0 cites·5 claims
- 3338US10303810B2Problem structure extraction support system, problem structure extraction support method, and programHITACHI LTD·Filed 2015·Granted May 28, 2019·0 cites·4 claims
- 3438US8692447B2Spark plug for internal combustion engine and manufacturing method thereofNAKAMURA TORU·Filed 2010·Granted Apr 8, 2014·0 cites·5 claims
- 3535US5309560AData selection deviceSEIKO EPSON CORP·Filed 1992·Granted May 3, 1994·6 cites·42 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →