Inventor · disambiguated record
Izumi Tagoku
Also filed as: TAGOKU IZUMI
8 granted patents·278 citations·filing 1983–1989
89Inventor score
Files withRICOH KK8
Top patents by PatentIndex Score
8 records- 0194US4592651ACopier with bookbinding functionRICOH KK·Filed 1985·Granted Jun 3, 1986·88 cites·16 claims
- 0289US4837071AInformation display mediumRICOH KK·Filed 1987·Granted Jun 6, 1989·62 cites·8 claims
- 0389US4640611ACopying method for bookbindingRICOH KK·Filed 1985·Granted Feb 3, 1987·36 cites·7 claims
- 0478US4745282AVentilated corona chargingRICOH KK·Filed 1986·Granted May 17, 1988·39 cites·18 claims
- 0572US4628017AElectrostatic image forming methodRICOH KK·Filed 1985·Granted Dec 9, 1986·18 cites·7 claims
- 0669US4588285AResidual toner collecting device for electrophotographic copierRICOH KK·Filed 1984·Granted May 13, 1986·15 cites·13 claims
- 0769US4556311AElectrophotographic copying apparatusRICOH KK·Filed 1983·Granted Dec 3, 1985·15 cites·8 claims
- 0841US5144521ADischarging member and charging device using the sameRICOH KK·Filed 1989·Granted Sep 1, 1992·5 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →