Inventor · disambiguated record
Yoshihiko Nagaoka
Also filed as: NAGAOKA YOSHIHIKO
8 granted patents·141 citations·filing 1974–1994
88Inventor score
Files withSUMITOMO CHEMICAL CO8
Top patents by PatentIndex Score
8 records- 0181US5004846AProcess for producing nitrobenzenesSUMITOMO CHEMICAL CO·Filed 1989·Granted Apr 2, 1991·16 cites·10 claims
- 0280US4092354AProcess for production of acrylic acidSUMITOMO CHEMICAL CO·Filed 1974·Granted May 30, 1978·29 cites·10 claims
- 0378US5602280AProcess for production of unsaturated aldehyde and unsaturated carboxylic acidSUMITOMO CHEMICAL CO·Filed 1994·Granted Feb 11, 1997·44 cites·29 claims
- 0470US5030776AProcess for producing nitrobenzenesSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 9, 1991·10 cites·10 claims
- 0570US3951861ACatalysts for the preparation of acroleinSUMITOMO CHEMICAL CO·Filed 1974·Granted Apr 20, 1976·20 cites·10 claims
- 0655US4306088AProduction of methacroleinSUMITOMO CHEMICAL CO·Filed 1980·Granted Dec 15, 1981·12 cites·11 claims
- 0745US3968166ACatalytic process for the preparation of acroleinSUMITOMO CHEMICAL CO·Filed 1975·Granted Jul 6, 1976·8 cites·16 claims
- 0841US3970702ACatalytic process for the preparation of acroleinSUMITOMO CHEMICAL CO·Filed 1974·Granted Jul 20, 1976·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →