Inventor · disambiguated record
Masako Chiba
Also filed as: CHIBA MASAKO
4 granted patents·66 citations·filing 1994–1997
78Inventor score
Files withRICOH KK4
Top patents by PatentIndex Score
4 records- 0179US5786091ACharge roller for an image forming apparatusRICOH KK·Filed 1995·Granted Jul 28, 1998·32 cites·6 claims
- 0272US5479243AImage forming apparatus and charging device thereofRICOH KK·Filed 1994·Granted Dec 26, 1995·24 cites·14 claims
- 0350US5689770AImage forming apparatus which maintains a temperature of a charge rollerRICOH KK·Filed 1995·Granted Nov 18, 1997·7 cites·15 claims
- 0436US5881344AImage forming apparatus and charging device thereofRICOH KK·Filed 1997·Granted Mar 9, 1999·3 cites·19 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →