Inventor · disambiguated record
Masakatsu Yoshimura
Also filed as: YOSHIMURA MASAKATSU
6 granted patents·116 citations·filing 1979–1990
82Inventor score
Files withSUMITOMO CHEMICAL CO6
Top patents by PatentIndex Score
6 records- 0194US5106913ARubber compositionSUMITOMO CHEMICAL CO·Filed 1990·Granted Apr 21, 1992·87 cites·8 claims
- 0267US4578472A2,2,6,6-Tetramethylpiperidine and its productionSUMITOMO CHEMICAL CO·Filed 1984·Granted Mar 25, 1986·14 cites·18 claims
- 0364US4746743AProcess for producing 2,2,4-trimethyl-1,2-dihydroquinolineSUMITOMO CHEMICAL CO·Filed 1985·Granted May 24, 1988·7 cites·2 claims
- 0444US4407756AProcess for producing aminoanthraquinoneSUMITOMO CHEMICAL CO·Filed 1979·Granted Oct 4, 1983·2 cites·14 claims
- 0541US4812494AStabilized styrene polymerSUMITOMO CHEMICAL CO·Filed 1987·Granted Mar 14, 1989·5 cites·14 claims
- 0636US4695407AMethod for purifying 1-aminoanthraquinoneSUMITOMO CHEMICAL CO·Filed 1983·Granted Sep 22, 1987·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →