Inventor · disambiguated record
Masakazu Sugiyama
Also filed as: SUGIYAMA MASAKAZU
63 granted patents·25 pending applications·788 citations·filing 1981–2025
99Inventor score
Top patents by PatentIndex Score
88 records- 0199USD319230SCabinet with screenSHARP KK·Filed 1989·Granted Aug 20, 1991·125 cites·1 claims
- 0297US7351569B2Aldolase and production process of substituted α-keto acidsAJINOMOTO KK·Filed 2005·Granted Apr 1, 2008·35 cites·15 claims
- 0396US7816541B2Process for producing an optically active compoundAJINOMOTO KK·Filed 2008·Granted Oct 19, 2010·25 cites·16 claims
- 0496US7662596B2Aldolase, and method for producing optically active IHOG and monatinAJINOMOTO KK·Filed 2007·Granted Feb 16, 2010·27 cites·32 claims
- 0596US7534590B2Method for producing monatinAJINOMOTO KK·Filed 2005·Granted May 19, 2009·30 cites·10 claims
- 0696US7371549B2Aldolase, and method for producing optically active IHOG and monatinAJINOMOTO KK·Filed 2006·Granted May 13, 2008·32 cites·24 claims
- 0796US7241599B2Aldolase, and method for producing optically active IHOG and monatinAJINOMOTO KK·Filed 2005·Granted Jul 10, 2007·34 cites·32 claims
- 0894US7432100B2Variant aldolase and processes for producing an optically active IHOG and an optically active monatin using the sameAJINOMOTO KK·Filed 2005·Granted Oct 7, 2008·33 cites·4 claims
- 0994US7402412B2Mutated D-aminotransferase and method for producing optically active glutamic acid derivatives using the sameAJINOMOTO KK·Filed 2005·Granted Jul 22, 2008·35 cites·38 claims
- 1094US7297800B2Process of producing glutamate derivativesAJINOMOTO KK·Filed 2004·Granted Nov 20, 2007·28 cites·26 claims
- 1194USD358913SVacuum cleanerSHARP KK·Filed 1994·Granted May 30, 1995·47 cites·1 claims
- 1294USD285523SElectro-magnetic induction heaterSHARP KK·Filed 1983·Granted Sep 9, 1986·42 cites·1 claims
- 1391US11133673B2Direct current bus control systemRIKEN·Filed 2020·Granted Sep 28, 2021·5 cites·12 claims
- 1491USD335064SMicrowave ovenSHARP KK·Filed 1991·Granted Apr 27, 1993·63 cites·1 claims
- 1589US8048647B2Aldolase, and method for producing optically active IHOG and monatinAJINOMOTO KK·Filed 2009·Granted Nov 1, 2011·8 cites·32 claims
- 1688US8058038B2Aldolase and production process of substituted α-keto acidsSUGIYAMA MASAKAZU·Filed 2007·Granted Nov 15, 2011·7 cites·19 claims
- 1788US8058034B2Mutated D-aminotransferase and method for producing optically active glutamic acid derivatives using the sameSUGIYAMA MASAKAZU·Filed 2010·Granted Nov 15, 2011·7 cites·7 claims
- 1887US8043836B2Process for producing amino acid derivative from hydroxyimino acidAJINOMOTO KK·Filed 2005·Granted Oct 25, 2011·9 cites·31 claims
- 1982USD321346SCombined projection screen and speakersSHARP KK·Filed 1989·Granted Nov 5, 1991·19 cites·1 claims
- 2080US10270045B2Semiconductor light-emitting elementSTANLEY ELECTRIC CO LTD·Filed 2015·Granted Apr 23, 2019·5 cites·7 claims
- 2178US6303353B1Process for preparing xylitolAJINOMOTO KK·Filed 1998·Granted Oct 16, 2001·20 cites·6 claims
- 2278US6242228B1Xylitol dehydrogenase of acetic acid bacteria and gene thereofAJINOMOTO KK·Filed 1999·Granted Jun 5, 2001·16 cites·8 claims
- 2377US10056524B2Semiconductor light-emitting elementSTANLEY ELECTRIC CO LTD·Filed 2015·Granted Aug 21, 2018·3 cites·7 claims
- 2477US8202711B2Process for producing glutamate derivativesSUGIYAMA MASAKAZU·Filed 2010·Granted Jun 19, 2012·1 cites·27 claims
- 2577US7618796B2Peptide-forming enzyme gene, peptide-forming enzyme, and peptide producing methodAJINOMOTO KK·Filed 2006·Granted Nov 17, 2009·1 cites·13 claims
- 2677USD270224SMicrowave ovenSHARP KK·Filed 1981·Granted Aug 23, 1983·14 cites·1 claims
- 2776US8331212B2MEMS memory microprobe and recording apparatusLI YONGFANG·Filed 2011·Granted Dec 11, 2012·5 cites·12 claims
- 2875US2024360577A1Cathode electrode, and composite of cathode electrode and substrateFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 2973US6340582B1Process for preparing xylitolAJINOMOTO KK·Filed 1998·Granted Jan 22, 2002·17 cites·10 claims
- 3072US10193021B2Semiconductor light-emitting element, and manufacturing method for sameSTANLEY ELECTRIC CO LTD·Filed 2016·Granted Jan 29, 2019·2 cites·7 claims
- 3172US10062805B2Semiconductor light-emitting elementSTANLEY ELECTRIC CO LTD·Filed 2015·Granted Aug 28, 2018·2 cites·6 claims
- 3272US6924131B2Xylitol dehydrogenase of acetic acid bacteria and gene thereofAJINOMOTO KK·Filed 2002·Granted Aug 2, 2005·2 cites·12 claims
- 3371US10186671B2Semiconductor light-emitting elementSTANLEY ELECTRIC CO LTD·Filed 2015·Granted Jan 22, 2019·3 cites·16 claims
- 3471US8372607B2Method for producing serine derivative and protein used for the sameAJINOMOTO KK·Filed 2010·Granted Feb 12, 2013·1 cites·12 claims
- 3570US8524476B2Bacterium producing a product of a reaction catalyzed by a protein having 2-oxoglutarate-dependent enzyme activity and a method for manufacturing the productSMIRNOV SERGEY VASILIEVICH·Filed 2010·Granted Sep 3, 2013·3 cites·12 claims
- 3669USD281139SMicrowave ovenSHARP KK·Filed 1983·Granted Oct 29, 1985·10 cites·1 claims
- 3769US2010279365A1Novel aldolase and production process of substituted alpha-keto acidsAJINOMOTO KK·Filed 2009·Application pending·0 cites
- 3868US7288388B2Peptide-forming enzyme gene, peptide-forming enzyme, and peptide producing methodAJINOMOTO KK·Filed 2004·Granted Oct 30, 2007·1 cites·34 claims
- 3968US2025102165A1Air conditioning system and air conditioning methodUNIV TOKYO·Filed 2023·Application pending·0 cites
- 4068US2008199921A1Process for producing glutamate derivativesAJINOMOTO KK·Filed 2008·Application pending·0 cites
- 4167US2024344021A1Composition for Culturing Animal CellsAJINOMOTO KK·Filed 2024·Application pending·0 cites
- 4265US8669080B2Mutated D-aminotransferase and method for producing optically active glutamic acid derivatives using the sameSUGIYAMA MASAKAZU·Filed 2008·Granted Mar 11, 2014·0 cites·8 claims
- 4365USD301879SFacsimileSHARP KK·Filed 1986·Granted Jun 27, 1989·10 cites·1 claims
- 4464US8697416B2Recombinant polynucleotide, host cells containing the same and a process for producing a protein having aldolase activitySUGIYAMA MASAKAZU·Filed 2012·Granted Apr 15, 2014·0 cites·15 claims
- 4563USD281138SMicrowave ovenSHARP KK·Filed 1983·Granted Oct 29, 1985·8 cites·1 claims
- 4663US2013252310A1Novel aldolase and production process of substituted alpha-keto acidsSUGIYAMA MASAKAZU·Filed 2012·Application pending·0 cites
- 4762US8535920B2Process for producing glutamate derivativesSUGIYAMA MASAKAZU·Filed 2006·Granted Sep 17, 2013·0 cites·14 claims
- 4862USD563506SElectromagnetic valveSMC CORP·Filed 2007·Granted Mar 4, 2008·12 cites·1 claims
- 4961US8273556B2Aldolase and production process of substituted α-keto acidsSUGIYAMA MASAKAZU·Filed 2011·Granted Sep 25, 2012·0 cites·13 claims
- 5061US2011189738A1Process for producing glutamate derivativesAJINOMOTO KK·Filed 2011·Application pending·0 cites
Showing the top 50 of 88 patent records by PatentIndex Score.
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