Inventor · disambiguated record
Kizuku Wakatsuki
Also filed as: WAKATSUKI KIZUKU
22 granted patents·289 citations·filing 1980–2001
95Inventor score
Top patents by PatentIndex Score
22 records- 0193US5290878AButadiene copolymer and process for preparing sameSUMITOMO CHEMICAL CO·Filed 1993·Granted Mar 1, 1994·86 cites·23 claims
- 0289US4551501ACrystalline propylene polymer compositionSUMITOMO CHEMICAL CO·Filed 1984·Granted Nov 5, 1985·42 cites·10 claims
- 0386US4603174AStretched polypropylene filmSUMITOMO CHEMICAL CO·Filed 1984·Granted Jul 29, 1986·37 cites·5 claims
- 0466US4696979AProcess for producing propylene copolymerSUMITOMO CHEMICAL CO·Filed 1984·Granted Sep 29, 1987·19 cites·8 claims
- 0561US7118013B2α-cyanoacrylate adhesive systemsTAOKA CHEMICAL COMPANY LTD·Filed 2001·Granted Oct 10, 2006·4 cites·14 claims
- 0658US5703151ARubber compositionSUMITOMO CHEMICAL CO·Filed 1996·Granted Dec 30, 1997·17 cites·9 claims
- 0756US5430086ARubber composition for tire treadsSUMITOMO RUBBER IND·Filed 1993·Granted Jul 4, 1995·14 cites·6 claims
- 0856US5039748AHigh-strength polypropylene fiberSUMITOMO CHEMICAL CO·Filed 1990·Granted Aug 13, 1991·13 cites·4 claims
- 0952US5245007AMethod for purifying ethylene-α-olefin copolymerSUMITOMO CHEMICAL CO·Filed 1991·Granted Sep 14, 1993·9 cites·14 claims
- 1051US4946895AResinous composition for powder coatingSUMITOMO CHEMICAL CO·Filed 1989·Granted Aug 7, 1990·11 cites·8 claims
- 1151US4748207APolypropylene sheetSUMITOMO CHEMICAL CO·Filed 1985·Granted May 31, 1988·10 cites·4 claims
- 1244US4350802ACatalyst system for polymerization of olefins and process for production of polyolefins using the catalyst systemSUMITOMO CHEMICAL CO·Filed 1980·Granted Sep 21, 1982·5 cites·8 claims
- 1343US4339560AProcess for polymerizing olefinsSUMITOMO CHEMICAL CO·Filed 1980·Granted Jul 13, 1982·5 cites·12 claims
- 1436US5122493ACatalyst for olefinic hydrocarbon polymerization and process for producing olefinic hydrocarbon polymerSUMITOMO CHEMICAL CO·Filed 1991·Granted Jun 16, 1992·3 cites·11 claims
- 1535US4801650AProcess for producing 4-methylpentene-1 copolymer and resin composition containing the sameSUMITOMO CHEMICAL CO·Filed 1987·Granted Jan 31, 1989·2 cites·16 claims
- 1634US5516862AProcess for producing ethylene-alpha-olefin copolymer rubberSUMITOMO CHEMICAL CO·Filed 1994·Granted May 14, 1996·2 cites·18 claims
- 1732US4663394ACrystalline polybutene-1 compositionsSUMITOMO CHEMICAL CO·Filed 1985·Granted May 5, 1987·2 cites·9 claims
- 1832US4483939AProcess for producing polyolefinSUMITOMO CHEMICAL CO·Filed 1982·Granted Nov 20, 1984·1 cites·11 claims
- 1931US6087424ARubber compositionSUMITOMO CHEMICAL CO·Filed 1996·Granted Jul 11, 2000·2 cites·10 claims
- 2031US5191041ACatalyst for olefinic hydrocarbon polymerization and process and producing olefinic hydrocarbon polymerSUMITOMO CHEMICAL CO·Filed 1992·Granted Mar 2, 1993·1 cites·4 claims
- 2130US4883842AResin compositionSUMITOMO CHEMICAL CO·Filed 1988·Granted Nov 28, 1989·2 cites·5 claims
- 2230US4584239AStretched multilayer polypropylene filmSUMITOMO CHEMICAL CO·Filed 1985·Granted Apr 22, 1986·2 cites·6 claims
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