KS

Keiichi Sugai

Ricoh Company: 6 patents #3,275 of 9,818Top 35%
Overall (All Time): #867,892 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7693440 Image 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 apparatus Naoki Sato, Hiroto Ohishi, Masahide Nakaya 2010-04-06
7496312 Auxiliary power supply unit and image forming apparatus Naoki Sato, Masae Sugawara, Masashi Oi 2009-02-24
7269368 Image 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 apparatus Naoki Sato, Hiroto Ohishi, Masahide Nakaya 2007-09-11
7236714 Power source control apparatus, and power source control method Naoki Sato, Hiroto Ohishi, Masahide Nakaya 2007-06-26
7127189 Heating unit, auxiliary power unit, fixing unit, and image forming apparatus Ryo Takamatsu, Naoki Sato, Yuusuke Ishizaki, Hiroto Ohishi, Masahide Nakaya 2006-10-24
7122767 Method for controlling power supply to fixing roller in image forming apparatus Naoki Sato, Masae Sugawara, Masashi Ooi 2006-10-17