Inventor · disambiguated record
Katsumi Sugiyama
Also filed as: SUGIYAMA KATSUMI
18 granted patents·1 pending application·537 citations·filing 1974–2004
94Inventor score
Files withAJINOMOTO KK10CANON APTEX INC2CANON FINETECH INC2NTN TOYO BEARING CO LTD2AJINOMOTO COMPANY LTD1
Top patents by PatentIndex Score
19 records- 0197US6637754B1Wheel bearing and sealing device thereforNTN TOYO BEARING CO LTD·Filed 2000·Granted Oct 28, 2003·139 cites·9 claims
- 0296US6979001B2Wheel bearing and sealing device thereforNTN TOYO BEARING CO LTD·Filed 2003·Granted Dec 27, 2005·56 cites·21 claims
- 0396US6172688B1Printer and printing methodCANON APTEX INC·Filed 1997·Granted Jan 9, 2001·234 cites·20 claims
- 0468US4579747ADipeptide crystals, and process for their productionAJINOMOTO KK·Filed 1984·Granted Apr 1, 1986·25 cites·6 claims
- 0562US6126343APrinting medium feeding apparatus using a specialized conveyor belt to control the printing medium tensioningCANON APTEX INC·Filed 1997·Granted Oct 3, 2000·21 cites·19 claims
- 0662US4610827AAmino acid complex and a method for optical resolution of a DL-amino acidAJINOMOTO KK·Filed 1984·Granted Sep 9, 1986·6 cites·5 claims
- 0756US4634790AProcess for producing α-L-aspartyl-L-phenylalanine methyl ester or its hydrohalideAJINOMOTO KK·Filed 1985·Granted Jan 6, 1987·14 cites·4 claims
- 0852US4994605AMethod of separating alpha-L-aspartyl-L-phenylalanine methyl ester through crystallizationAJINOMOTO KK·Filed 1989·Granted Feb 19, 1991·10 cites·20 claims
- 0950US4345091AMethod of producing N-benzyloxycarbonyl-L-aspartic acidAJINOMOTO KK·Filed 1981·Granted Aug 17, 1982·9 cites·5 claims
- 1041US3952011AProcess for producing hemi-alkali metal salt of 2-pyrrolidone-5-carboxylic acidAJINOMOTO COMPANY LTD·Filed 1974·Granted Apr 20, 1976·3 cites·9 claims
- 1139US4737503AMethod for inhibiting the release of histamineVIPONT LAB INC·Filed 1986·Granted Apr 12, 1988·10 cites·6 claims
- 1238US7172261B2Recovering apparatus for recovering a status of an ink jet recording headCANON FINETECH INC·Filed 2004·Granted Feb 6, 2007·0 cites·11 claims
- 1338US4822907AMethod for recovering α-L-aspartyl-L-phenylalanine methyl esterAJINOMOTO KK·Filed 1987·Granted Apr 18, 1989·4 cites·22 claims
- 1437US4824994AMethod for production of N-protected-alpha-L-aspartyl-L-phenylalanine methyl esterAJINOMOTO KK·Filed 1984·Granted Apr 25, 1989·4 cites·10 claims
- 1536US6871936B2Recovering apparatus for recovering a status of an ink jet recording headCANON FINETECH INC·Filed 2003·Granted Mar 29, 2005·0 cites·9 claims
- 1631US5432262AMethod of purifying α-L-aspartyl-L-phenylalanine methyl esterAJINOMOTO KK·Filed 1993·Granted Jul 11, 1995·1 cites·5 claims
- 1729US4564471AMethod for reductive elimination of protecting groupsAJINOMOTO KK·Filed 1980·Granted Jan 14, 1986·0 cites·3 claims
- 1829US2001033308A1Recovering apparatus for recovering a status of an ink jet recording headFiled 1995·Application pending·0 cites
- 1928US5225587AMethod of producing α-L-aspartyl-L-phenylalanine methyl ester hydrochlorideAJINOMOTO KK·Filed 1992·Granted Jul 6, 1993·1 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Katsumi Sugiyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →