MO

Masayuki Ohtani

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,248,620 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7579716 Power storage device and image forming apparatus Naoki Sato, Masahide Nakaya, Hideo Kikuchi 2009-08-25
RE36301 Image forming apparatus having rotatable electrophotographic process unit Tsukuru Kai, Takaaki Yanagisawa, Hisashi Ishijima, Masaaki Nagano 1999-09-14
5598271 Control method for a digital copier in a two-sided document copy mode with interrupts 1997-01-28
5367363 Image forming apparatus having rotatable electrophotographic process unit Tsukuru Kai, Takaaki Yanagisawa, Hisashi Ishijima, Masaaki Nagano 1994-11-22