Inventor · disambiguated record
Keizo Chiba
Also filed as: CHIBA KEIZO
4 granted patents·4 citations·filing 2007–2009
63Inventor score
Technology areasG03G
Files withRICOH KK4
Top patents by PatentIndex Score
4 records- 0173US7463853B2Particle supply apparatus, imaging apparatus, and monitoring systemRICOH KK·Filed 2007·Granted Dec 9, 2008·3 cites·37 claims
- 0258US7773918B2Imaging apparatus having particle supply and collection apparatus arranged outside imaging apparatusRICOH KK·Filed 2009·Granted Aug 10, 2010·1 cites·20 claims
- 0348US7489892B2Particle supply apparatus and imaging apparatus having a gas spouting unit for fluidizing the particlesRICOH KK·Filed 2007·Granted Feb 10, 2009·0 cites·14 claims
- 0444US7826778B2Powder supplying device and image forming deviceRICOH KK·Filed 2007·Granted Nov 2, 2010·0 cites·20 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →