HO

Hiroki Ohkubo

Ricoh Company: 10 patents #2,244 of 9,818Top 25%
Overall (All Time): #517,275 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
8508523 Information display device, information displaying method, and computer program product Eiji Nemoto, Yuji Matsuda, Yusuke Ozaki, Hiroyuki Takahashi 2013-08-13
8289744 Power supply unit, image forming apparatus, and method for controlling power supply Hiroyuki Takahashi, Eiji Nemoto, Yuji Matsuda, Yusuke Ozaki 2012-10-16
8260166 Image forming apparatus and electric appliance including a thermoelectric element Yuji Matsuda, Hiroyuki Takahashi, Yusuke Ozaki, Eiji Nemoto 2012-09-04
8233168 Image forming apparatus for converting lights to generate and store electrical power Yusuke Ozaki, Eiji Nemoto, Yuji Matsuda, Hiroyuki Takahashi 2012-07-31
8145105 Belt drive control device, belt device, image forming apparatus, and belt drive control method Yuichiro Ueda, Kazuhiko Kobayashi, Takuya Uehara, Takuya Murata, Yuji Matsuda +3 more 2012-03-27
8120331 Power supply device, scanner power supply device, and image forming apparatus Hiroyuki Takahashi, Yusuke Ozaki, Eiji Nemoto, Yuji Matsuda 2012-02-21
8085437 Image forming apparatus and image forming method 2011-12-27
8081904 Belt drive control unit, belt drive control method, belt drive control program, and image forming apparatus using same Hiromichi Matsuda, Toshiyuki Andoh, Yuji Matsuda, Yuichiro Ueda, Kazuhiko Kobayashi +2 more 2011-12-20
7372479 Apparatus and method for optical image formation control 2008-05-13
7315320 Optical writing system and method, and image forming apparatus receiving an external parameter 2008-01-01