Inventor · disambiguated record
Hideyo Nishikawa
Also filed as: NISHIKAWA HIDEYO
8 granted patents·245 citations·filing 1986–1997
89Inventor score
Top patents by PatentIndex Score
8 records- 0197US4863824AToner for developing electrostatic latent imageKONISHIROKU PHOTO IND·Filed 1988·Granted Sep 5, 1989·81 cites·9 claims
- 0296US4933252AElectrophotographic developer comprising polyester resin of specified acid and hydroxyl valvesKAO CORP·Filed 1987·Granted Jun 12, 1990·74 cites·24 claims
- 0373US5481344AAuxiliary device, cartridge and apparatus for toner supplyKAO CORP·Filed 1994·Granted Jan 2, 1996·19 cites·8 claims
- 0473US4804622AToner composition for electrophotographyKAO CORP·Filed 1987·Granted Feb 14, 1989·18 cites·6 claims
- 0569US4788122AProduction of polyester and elecrophotographic toner containing the sameKAO CORP·Filed 1986·Granted Nov 29, 1988·17 cites·15 claims
- 0658US5700772ADetergent composition comprising an amide-ether derivative mixture and an amphoteric surfactantKAO CORP·Filed 1995·Granted Dec 23, 1997·18 cites·5 claims
- 0747US5783535ADetergent composition comprising an amidoether derivative mixture and a conditioning componentKAO CORP·Filed 1997·Granted Jul 21, 1998·11 cites·11 claims
- 0841US5693605ADetergent composition comprising an amide-ether derivative mixture and an anionic surfactantKAO CORP·Filed 1996·Granted Dec 2, 1997·7 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Hideyo Nishikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →