Inventor · disambiguated record
Akira Nishiyama
Also filed as: NISHIYAMA AKIRA · NISHIYAMA LEGAL REPRESENTATIVE
114 granted patents·25 pending applications·1,823 citations·filing 1974–2023
99Inventor score
Files withTOSHIBA KK56KANEKA CORP31RISO KAGAKU CORP14SONY INTERACTIVE ENTERTAINMENT INC6UNIV KAGAWA NAT UNIV CORP4
Top patents by PatentIndex Score
139 records- 0198US7364972B2Semiconductor deviceTOSHIBA KK·Filed 2006·Granted Apr 29, 2008·65 cites·3 claims
- 0298US5886385ASemiconductor device and manufacturing method thereofTOSHIBA KK·Filed 1997·Granted Mar 23, 1999·341 cites·8 claims
- 0398US5698869AInsulated-gate transistor having narrow-bandgap-sourceTOSHIBA KK·Filed 1995·Granted Dec 16, 1997·415 cites·31 claims
- 0497US9421780B2Ink circulation type inkjet printerRISO KAGAKU CORP·Filed 2015·Granted Aug 23, 2016·9 cites·15 claims
- 0596US9365046B2Ink circulation type inkjet printerRISO KAGAKU CORP·Filed 2015·Granted Jun 14, 2016·8 cites·8 claims
- 0696US9327514B2Inkjet printing apparatusRISO KAGAKU CORP·Filed 2015·Granted May 3, 2016·9 cites·5 claims
- 0796US6548875B2Sub-tenth micron misfet with source and drain layers formed over source and drains, sloping away from the gateTOSHIBA KK·Filed 2001·Granted Apr 15, 2003·92 cites·8 claims
- 0895US9982014B2Tetrapeptide compound and method for producing sameKANEKA CORP·Filed 2014·Granted May 29, 2018·14 cites·11 claims
- 0994US7606640B2Cooling apparatus and projection type display deviceSONY CORP·Filed 2005·Granted Oct 20, 2009·23 cites·10 claims
- 1094US6340767B1Processes for the preparation of 5-hydroxy-3-oxopentanoic acid derivativesKANEKA CORP·Filed 2000·Granted Jan 22, 2002·25 cites·20 claims
- 1191US9016843B2Inkjet printerRISO KAGAKU CORP·Filed 2014·Granted Apr 28, 2015·6 cites·2 claims
- 1291US6278165B1MIS transistor having a large driving current and method for producing the sameTOSHIBA KK·Filed 1999·Granted Aug 21, 2001·72 cites·7 claims
- 1390US6613658B2MIS field effect transistor and method of manufacturing the sameTOSHIBA KK·Filed 2002·Granted Sep 2, 2003·44 cites·11 claims
- 1490US5763953ASemiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 1996·Granted Jun 9, 1998·85 cites·5 claims
- 1588USRE39333EProcess for the preparation of 5-hydroxy-3-oxopentanoic acid derivativesKANEKA CORP·Filed 2000·Granted Oct 10, 2006·14 cites·20 claims
- 1688US6472544B1Process for the preparation of optically active 2-[6-hydroxymethyl)-1,3-dioxan-4yl]acetic acid derivativesKANEKA CORP·Filed 1999·Granted Oct 29, 2002·43 cites·22 claims
- 1788US6288061B1Imidazole derivativesWELFIDE CORP·Filed 2000·Granted Sep 11, 2001·29 cites·17 claims
- 1885US7391085B2Semiconductor deviceTOSHIBA KK·Filed 2005·Granted Jun 24, 2008·7 cites·10 claims
- 1984US6924536B2Semiconductor device and its manufacturing methodTOSHIBA KK·Filed 2003·Granted Aug 2, 2005·25 cites·28 claims
- 2084US6483176B2Semiconductor with multilayer wiring structure that offer high speed performanceTOSHIBA KK·Filed 2000·Granted Nov 19, 2002·33 cites·20 claims
- 2184US5529954AMethod of diffusing a metal through a silver electrode to form a protective film on the surface of the electrodeTOSHIBA KK·Filed 1995·Granted Jun 25, 1996·58 cites·5 claims
- 2283US7094594B2Process for preparing optically active 2-[6-(hydroxy-methyl)-1,3-dioxan-4-yl] acetic acid derivativesKANEKA CORP·Filed 2001·Granted Aug 22, 2006·9 cites·44 claims
- 2383US6903225B2Process for producing optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivativesKANEKA CORP·Filed 2002·Granted Jun 7, 2005·8 cites·39 claims
- 2482US9340031B2Ink circulation type inkjet printerRISO KAGAKU CORP·Filed 2015·Granted May 17, 2016·2 cites·3 claims
- 2581US7541657B2Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2008·Granted Jun 2, 2009·6 cites·15 claims
- 2681US7498643B2Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2006·Granted Mar 3, 2009·6 cites·5 claims
- 2781US6720320B2Phenoxypropylamine compoundsMITSUBISHI PHARMA CORP·Filed 2001·Granted Apr 13, 2004·19 cites·9 claims
- 2880US10065414B2Inkjet printing apparatus with wiper for inkjet headRISO KAGAKU CORP·Filed 2017·Granted Sep 4, 2018·2 cites·7 claims
- 2980US9566797B2Inkjet printerRISO KAGAKU CORP·Filed 2016·Granted Feb 14, 2017·2 cites·7 claims
- 3080US8752820B2Envelope warpage correcting deviceNISHIYAMA AKIRA·Filed 2012·Granted Jun 17, 2014·4 cites·3 claims
- 3180US7075158B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2005·Granted Jul 11, 2006·7 cites·13 claims
- 3278US7432570B2Semiconductor device and manufacturing method thereofTOSHIBA KK·Filed 2006·Granted Oct 7, 2008·5 cites·11 claims
- 3377US8154072B2Nonvolatile semiconductor memory apparatusKOIKE MASAHIRO·Filed 2009·Granted Apr 10, 2012·7 cites·10 claims
- 3476US9061516B2Inkjet printerRISO KAGAKU CORP·Filed 2014·Granted Jun 23, 2015·2 cites·4 claims
- 3576US8174080B2Semiconductor deviceICHIHARA REIKA·Filed 2011·Granted May 8, 2012·2 cites·18 claims
- 3676US6593618B2MIS semiconductor device having an elevated source/drain structureTOSHIBA KK·Filed 2001·Granted Jul 15, 2003·22 cites·11 claims
- 3776US6207486B1Semiconductor device and a method of manufacturing the sameTOSHIBA KK·Filed 1998·Granted Mar 27, 2001·47 cites·20 claims
- 3875US9782989B2Inkjet printer for continuous paperRISO KAGAKU CORP·Filed 2016·Granted Oct 10, 2017·1 cites·6 claims
- 3975US7429776B2Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2005·Granted Sep 30, 2008·4 cites·21 claims
- 4074US10328704B2Inkjet printer with ink receptor for receiving ink as waste liquidRISO KAGAKU CORP·Filed 2018·Granted Jun 25, 2019·1 cites·2 claims
- 4174US6326670B1Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2000·Granted Dec 4, 2001·18 cites·20 claims
- 4273US6504237B2Semiconductor with multilayer metal structure using copper that offer high speed performanceTOSHIBA KK·Filed 2002·Granted Jan 7, 2003·16 cites·21 claims
- 4373US5929284AProcesses for producing α-halo ketones, α-halohydrins and epoxidesKANEKA CORP·Filed 1996·Granted Jul 27, 1999·12 cites·53 claims
- 4472US7986014B2Semiconductor deviceTOSHIBA KK·Filed 2009·Granted Jul 26, 2011·2 cites·18 claims
- 4571US9707772B2Ink circulation type inkjet printerRISO KAGAKU CORP·Filed 2015·Granted Jul 18, 2017·1 cites·6 claims
- 4671US8053300B2Semiconductor deviceTOSHIBA KK·Filed 2007·Granted Nov 8, 2011·2 cites·11 claims
- 4771US7576397B2Semiconductor deviceTOSHIBA KK·Filed 2007·Granted Aug 18, 2009·2 cites·15 claims
- 4871US7410855B2Semiconductor deviceTOSHIBA KK·Filed 2007·Granted Aug 12, 2008·2 cites·19 claims
- 4970US7884416B2Semiconductor integrated circuitTOSHIBA KK·Filed 2007·Granted Feb 8, 2011·4 cites·24 claims
- 5070US6849908B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2004·Granted Feb 1, 2005·16 cites·18 claims
Showing the top 50 of 139 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →