Inventor · disambiguated record
Ryozo Arata
Also filed as: ARATA RYOZO
11 granted patents·96 citations·filing 1982–2008
89Inventor score
Top patents by PatentIndex Score
11 records- 0188US4468488APoly(piperidylamine) alkanes and synthetic resin compositions stabilized therebyADEKA ARGUS CHEMICAL CO LTD·Filed 1983·Granted Aug 28, 1984·21 cites·30 claims
- 0282US4673701AAlkylidene bisphenol phosphites and phosphates having 2,2,6,6-tetramethyl piperidinyl groups and synthetic resin compositionADEKA ARGUS CHEMICAL CO LTD·Filed 1984·Granted Jun 16, 1987·14 cites·36 claims
- 0367US4888371ABis(2,6-dis-tert-butyl-4-branched propyl or butyl phenyl)-pentaerythritol spiro phosphites and synthetic resin compositions containing such phosphitesADEKA ARGUS CHEMICAL CO LTD·Filed 1987·Granted Dec 19, 1989·10 cites·17 claims
- 0467US4404301APolymeric light stabilizers having at least one 2,2,6,6-tetraalkyl piperidyl group and synthetic resin compositions containing the sameADEKA ARGUS CHEMICAL CO LTD·Filed 1982·Granted Sep 13, 1983·15 cites·26 claims
- 0564US4415688APoly(piperidylamine) alkanes and synthetic resin compositions stabilized therebyADEKA ARGUS CHEMICAL CO LTD·Filed 1982·Granted Nov 15, 1983·12 cites·17 claims
- 0656US4698381AN,N',N"-tris((2,2,6,6-tetramethyl-4-piperidyl)triazinyl) undecane triamines as stabilizers for synthetic polymersADEKA ARGUS CHEMICAL CO LTD·Filed 1985·Granted Oct 6, 1987·10 cites·34 claims
- 0756US4460725APolyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester groups and synthetic resin compositionsLEISTNER WILLIAM E·Filed 1983·Granted Jul 17, 1984·10 cites·25 claims
- 0851US8154571B2Thermal recording material containing tris(2-Methyl-4-hydroxy-5-t-butylphenyl)butaneTOBITA ETSUO·Filed 2008·Granted Apr 10, 2012·0 cites·4 claims
- 0936US4525506APolyhydric alcohol ethers of 2,2,6,6-tetramethyl-4-piperidone ketals and synthetic resin compositionsADEKA ARGUS CHEMICAL CO LTD·Filed 1983·Granted Jun 25, 1985·0 cites·26 claims
- 1036US4500663ALight stabilizing N,N,N-tris(2,2,6,6-tetramethyl-4-piperidone ketal)-1,3,5-triazine derivatives and light stabilized synthetic resin compositionsADEKA ARGUS CHEMICAL CO LTD·Filed 1983·Granted Feb 19, 1985·2 cites·22 claims
- 1132US4623685AThermosetting synthetic resin lacquer compositions of improved light stabilityADEKA ARGUS CHEMICAL CO LTD·Filed 1985·Granted Nov 18, 1986·2 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →