Inventor · disambiguated record
Katsuji Ueno
Also filed as: NAGAOKA KENJI · UENO KATSUJI
23 granted patents·787 citations·filing 1974–1988
97Inventor score
Top patents by PatentIndex Score
23 records- 0199US4315086AResin compositionsSUMITOMO CHEMICAL CO·Filed 1980·Granted Feb 9, 1982·232 cites·12 claims
- 0297US4075173AProcess for the production of aromatic polyesters from hydroxybenzoic acid and products thereofSUMITOMO CHEMICAL CO·Filed 1977·Granted Feb 21, 1978·99 cites·7 claims
- 0395US4311823AProcess for producing aromatic polyestersSUMITOMO CHEMICAL CO·Filed 1979·Granted Jan 19, 1982·74 cites·6 claims
- 0493US4454284AResin compositions containing polyphenylene oxide and olefin-glycidyl (meth)acrylate copolymerSUMITOMO CHEMICAL CO·Filed 1981·Granted Jun 12, 1984·58 cites·13 claims
- 0593US4338421AResin compositionSUMITOMO CHEMICAL CO·Filed 1980·Granted Jul 6, 1982·60 cites·6 claims
- 0689US4414230APlastic container improved in barrier properties against gases and water vaporSUMITOMO CHEMICAL CO·Filed 1981·Granted Nov 8, 1983·46 cites·9 claims
- 0784US3939117AProcess for producing a polyarylene esterSUMITOMO CHEMICAL CO·Filed 1974·Granted Feb 17, 1976·27 cites·13 claims
- 0873US4309513ANovel resin compositions based on polyphenylene etherSUMITOMO CHEMICAL CO·Filed 1981·Granted Jan 5, 1982·20 cites·13 claims
- 0972US4606930AMethod for treating fibersSUMITOMO CHEMICAL CO·Filed 1985·Granted Aug 19, 1986·25 cites·3 claims
- 1072US4448957AProcess for producing aromatic polyamide-imideSUMITOMO CHEMICAL CO·Filed 1983·Granted May 15, 1984·19 cites·11 claims
- 1170US4639344AProcess for producing formed articles of aromatic polyamide-imide resinSUMITOMO CHEMICAL CO·Filed 1984·Granted Jan 27, 1987·29 cites·3 claims
- 1268US4313870AProcess for producing polycondensatesSUMITOMO CHEMICAL CO·Filed 1978·Granted Feb 2, 1982·15 cites·10 claims
- 1361US4542203AMethod for producing branched aromatic polyestersSUMITOMO CHEMICAL CO·Filed 1984·Granted Sep 17, 1985·13 cites·5 claims
- 1459US4338410AProcess for producing graft copolymersSUMITOMO CHEMICAL CO·Filed 1980·Granted Jul 6, 1982·12 cites·10 claims
- 1557US4283511AMethod for producing modified polyphenylene oxidesSUMITOMO CHEMICAL CO·Filed 1980·Granted Aug 11, 1981·10 cites·14 claims
- 1656US4503005AProcess for producing an aromatic polyester fiberSUMITOMO CHEMICAL CO·Filed 1983·Granted Mar 5, 1985·8 cites·16 claims
- 1747US4560740AMethod for producing aromatic polyestersSUMITOMO CHEMICAL CO·Filed 1984·Granted Dec 24, 1985·7 cites·6 claims
- 1845US4721772AProcess for producing aromatic polyamide with polar solvent containing sulfolaneSUMITOMO CHEMICAL CO·Filed 1983·Granted Jan 26, 1988·6 cites·16 claims
- 1944US4824905AThermoplastic resin composition comprising polyamide, aromatic vinyl/unsaturated nitrile/rubbery polymer graft copolymer and aromatic vinyl/unsaturated nitrile/α-unsaturated carboxylic acid copolymerSUMITOMO NAUGATUCK·Filed 1988·Granted Apr 25, 1989·10 cites·4 claims
- 2044US4166899AIsolation of aromatic polyester copolymersSUMITOMO CHEMICAL CO·Filed 1976·Granted Sep 4, 1979·5 cites·6 claims
- 2139US4778245AOptical communication cableSUMITOMO CHEMICAL CO·Filed 1985·Granted Oct 18, 1988·7 cites·1 claims
- 2238US4385168AProcess for producing polyphenylene oxideSUMITOMO CHEMICAL CO·Filed 1982·Granted May 24, 1983·4 cites·21 claims
- 2330US4758242AMethod for treating polyester fibers having melt anistrophySUMITOMO CHEMICAL CO·Filed 1987·Granted Jul 19, 1988·1 cites·2 claims
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