Inventor · disambiguated record
Keiichi Sugai
Also filed as: SUGAI KEIICHI
6 granted patents·1 pending application·78 citations·filing 2004–2007
83Inventor score
Technology areasG03G
Files withRICOH KK6
Top patents by PatentIndex Score
7 records- 0194US7122767B2Method for controlling power supply to fixing roller in image forming apparatusRICOH KK·Filed 2005·Granted Oct 17, 2006·25 cites·11 claims
- 0288US7269368B2Image forming apparatus for forming image with fixing member, power supply control method for controlling the image forming apparatus, and power supply control program for controlling the image forming apparatusRICOH KK·Filed 2005·Granted Sep 11, 2007·9 cites·17 claims
- 0385US7127189B2Heating unit, auxiliary power unit, fixing unit, and image forming apparatusRICOH KK·Filed 2004·Granted Oct 24, 2006·29 cites·36 claims
- 0481US7236714B2Power source control apparatus, and power source control methodRICOH KK·Filed 2005·Granted Jun 26, 2007·7 cites·14 claims
- 0577US7693440B2Image forming apparatus for forming image with fixing device power supply control method for controlling the image forming apparatus and power supply control program for controlling the image forming apparatusRICOH KK·Filed 2007·Granted Apr 6, 2010·4 cites·17 claims
- 0668US7496312B2Auxiliary power supply unit and image forming apparatusRICOH KK·Filed 2005·Granted Feb 24, 2009·4 cites·12 claims
- 0735US2005189923A1Auxiliary power source device, fixing device, image forming apparatus and charge operation control methodFiled 2005·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →