Inventor · disambiguated record
Shigenao Kawakami
Also filed as: KAWAKAMI SHIGENAO
8 granted patents·236 citations·filing 1975–1997
88Inventor score
Files withSUMITOMO CHEMICAL CO8
Top patents by PatentIndex Score
8 records- 0191US4138446AWater-soluble high polymers and their preparationSUMITOMO CHEMICAL CO·Filed 1977·Granted Feb 6, 1979·58 cites·10 claims
- 0286US4251651AAmphoteric polyelectrolyteSUMITOMO CHEMICAL CO·Filed 1978·Granted Feb 17, 1981·81 cites·8 claims
- 0386US4075183APreparation of water-soluble high polymersSUMITOMO CHEMICAL CO·Filed 1975·Granted Feb 21, 1978·52 cites·9 claims
- 0461US4164413AMethod for promoting growth of plants with cationic polymersSUMITOMO CHEMICAL CO·Filed 1978·Granted Aug 14, 1979·5 cites·9 claims
- 0560US5865951AProcess for making paperSUMITOMO CHEMICAL CO·Filed 1997·Granted Feb 2, 1999·22 cites·19 claims
- 0646US4221888AMethod of hydrolyzing acrylamide and methacrylamide polymersSUMITOMO CHEMICAL CO·Filed 1978·Granted Sep 9, 1980·6 cites·13 claims
- 0743US4464505ACoating composition for providing water and blister resistant, ink-receptive paperSUMITOMO CHEMICAL CO·Filed 1982·Granted Aug 7, 1984·7 cites·20 claims
- 0839US4444943ACoating compositions for providing water and blister resistance to ink-receptive paperSUMITOMO CHEMICAL CO·Filed 1982·Granted Apr 24, 1984·5 cites·20 claims
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