Inventor · disambiguated record
Masaaki Matsuda
Also filed as: MATSUDA MASAAKI
13 granted patents·5 pending applications·205 citations·filing 1975–2022
92Inventor score
Top patents by PatentIndex Score
18 records- 0192US4999171AProcess for recovery of gallium by chelate resinSUMITOMO CHEMICAL CO·Filed 1989·Granted Mar 12, 1991·46 cites·7 claims
- 0282US4564659AChelate resin and process for producing the sameSUMITOMO CHEMICAL CO·Filed 1983·Granted Jan 14, 1986·29 cites·6 claims
- 0380US4039446AHeavy metal-binding agent processSUMITOMO CHEMICAL CO·Filed 1975·Granted Aug 2, 1977·43 cites·4 claims
- 0470US4468374AMethod for recovery of galliumSUMITOMO CHEMICAL CO·Filed 1982·Granted Aug 28, 1984·14 cites·8 claims
- 0568US4565673AProcess for eluting indium from a chelate resin containing adsorbed indiumSUMITOMO CHEMICAL CO·Filed 1984·Granted Jan 21, 1986·15 cites·13 claims
- 0665US4442231AAminophosphonic acid chelate resinSUMITOMO CHEMICAL CO·Filed 1982·Granted Apr 10, 1984·15 cites·4 claims
- 0758US2024294497A1Method for producing monocyclic pyridine derivativeEISAI R&D MAN CO LTD·Filed 2022·Application pending·0 cites
- 0857US4927541AProcess for refining amino acidsSUMITOMO CHEMICAL CO·Filed 1989·Granted May 22, 1990·5 cites·6 claims
- 0957US4797264ARecovery of metals adsorbed on chelating agentsSUMITOMO CHEMICAL CO·Filed 1986·Granted Jan 10, 1989·12 cites·6 claims
- 1056US4277566AChelate resin prepared by aftertreatment of aminated resin with polyfunctional compound and amineSUMITOMO CHEMICAL CO·Filed 1979·Granted Jul 7, 1981·9 cites·9 claims
- 1156US2024294496A1Production method for synthetic intermediate of monocyclic pyridine derivativeEISAI R&D MAN CO LTD·Filed 2022·Application pending·0 cites
- 1254US2011172427A1Process for preparing certain cinnamide compoundsEISAI R&D MAN CO LTD·Filed 2009·Application pending·0 cites
- 1349US6153808AMethod for separating alkylnaphthaleneKOBE STEEL LTD·Filed 1998·Granted Nov 28, 2000·5 cites·6 claims
- 1449US4786481AMethod for eluting a metal adsorbed on a chelating agentSUMITOMO CHEMICAL CO·Filed 1985·Granted Nov 22, 1988·8 cites·4 claims
- 1547US2010280243A1Process for production of 4- (substituted phenyl) hexahydropyrido [2,1-c] [1,4] oxazin-6-oneKAYANO AKIO·Filed 2008·Application pending·0 cites
- 1636US2021323972A1Crystals of pyranodipyridine compoundEISAI R&D MAN CO LTD·Filed 2018·Application pending·0 cites
- 1733US4605706AProcess for producing a chelate resinSUMITOMO CHEMICAL CO·Filed 1985·Granted Aug 12, 1986·2 cites·3 claims
- 1831US5232952AFinely dispersed metal-carrying compounds and method for preparing the sameSUMITOMO CHEMICAL CO·Filed 1988·Granted Aug 3, 1993·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →