Inventor · disambiguated record
Katsuji Watabe
Also filed as: WATABE KATSUJI
3 granted patents·116 citations·filing 1991–1994
75Inventor score
Technology areasG03G
Files withRICOH KK3
Top patents by PatentIndex Score
3 records- 0194US5384628ADeveloping device for image forming equipmentRICOH KK·Filed 1993·Granted Jan 24, 1995·67 cites·33 claims
- 0288US5640645AImage forming apparatusRICOH KK·Filed 1994·Granted Jun 17, 1997·39 cites·15 claims
- 0353US5128110AOzone removing device for image forming equipmentRICOH KK·Filed 1991·Granted Jul 7, 1992·10 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →