Inventor · disambiguated record
Wataru Yasuda
Also filed as: YASUDA WATARU
13 granted patents·289 citations·filing 1983–1996
93Inventor score
Technology areasG03G
Files withRICOH KK13
Top patents by PatentIndex Score
13 records- 0194US4564285ADeveloping device having dispersed floating electrodes in a dielectric layerRICOH KK·Filed 1983·Granted Jan 14, 1986·48 cites·16 claims
- 0285US4656964ADeveloping deviceRICOH KK·Filed 1983·Granted Apr 14, 1987·27 cites·15 claims
- 0385US4575220ADeveloping deviceRICOH KK·Filed 1983·Granted Mar 11, 1986·27 cites·7 claims
- 0485US4528937ADevice for forming a developer filmRICOH KK·Filed 1984·Granted Jul 16, 1985·26 cites·7 claims
- 0584US4624545ADeveloping device with regulated developer supplyRICOH KK·Filed 1983·Granted Nov 25, 1986·26 cites·5 claims
- 0680US5749022ACharging apparatus and method for use in image forming deviceRICOH KK·Filed 1996·Granted May 5, 1998·36 cites·28 claims
- 0780US4561381AVoltage-controlled developing deviceRICOH KK·Filed 1983·Granted Dec 31, 1985·22 cites·9 claims
- 0877US4625676ADeveloping deviceRICOH KK·Filed 1983·Granted Dec 2, 1986·15 cites·9 claims
- 0971US4896625ADeveloping deviceRICOH KK·Filed 1988·Granted Jan 30, 1990·13 cites·10 claims
- 1071US4674439ADeveloping deviceRICOH KK·Filed 1986·Granted Jun 23, 1987·13 cites·7 claims
- 1168US5678129AImage forming apparatus with contact type charging memberRICOH KK·Filed 1995·Granted Oct 14, 1997·20 cites·26 claims
- 1257US5258248AImage density control method for an image forming apparatusRICOH KK·Filed 1992·Granted Nov 2, 1993·12 cites·4 claims
- 1335US5028960AImage density control method for an image forming apparatusRICOH KK·Filed 1990·Granted Jul 2, 1991·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →