Inventor · disambiguated record
Genpei Sugiyama
Also filed as: SUGIYAMA GENPEI
5 granted patents·147 citations·filing 1973–1993
82Inventor score
Top patents by PatentIndex Score
5 records- 0194US4780553AElectrophotographic toner and compounds useful for the tonerHODOGAYA CHEMICAL CO LTD·Filed 1987·Granted Oct 25, 1988·63 cites·7 claims
- 0294US4683188AElectrophotographic toner containing metal complex charge control agentHODOGAYA CHEMICAL CO LTD·Filed 1986·Granted Jul 28, 1987·62 cites·5 claims
- 0367US4563409AAzo moiety containing metal complexes in tonersHOGOHAYA CHEMICAL CO LTD·Filed 1984·Granted Jan 7, 1986·16 cites·4 claims
- 0446US5368971AElectrophotographic toner containing a zinc benzoate compoundHODOGAYA CHEMICAL CO LTD·Filed 1993·Granted Nov 29, 1994·3 cites·1 claims
- 0534US3932121AProcess for the dyeing of modified polyester fibersHODOGAYA CHEMICAL CO LTD·Filed 1973·Granted Jan 13, 1976·3 cites·4 claims
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