AT

Atsuo Tokunaga

Ricoh Company: 12 patents #1,888 of 9,818Top 20%
📍 Hadano, JP: #91 of 1,025 inventorsTop 9%
Overall (All Time): #422,210 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8366262 Sheet feeder and image forming apparatus including same Yoshio Miyamoto, Akito Yoshimaru, Shigeru Morinaga 2013-02-05
8322644 Roll-sheet feeding device and image forming apparatus Kikuya Nakada, Akito Yoshimaru, Yoshio Miyamoto, Shigeru Morinaga, Yusuke Harasawa +2 more 2012-12-04
7893394 Optical device, image reading device, and filter manufacturing method 2011-02-22
7720406 Optical device and image forming apparatus 2010-05-18
7168652 Rolled paper conveying apparatus 2007-01-30
6911800 Stepping motor controller, scanning apparatus, and image forming apparatus Masato Kobayashi, Nobuhito Komoda 2005-06-28
6867891 Optical scanning device and image forming apparatus including the same 2005-03-15
6825862 Image formation apparatus, image formation method, and computer product 2004-11-30
6072703 Power supplying apparatus and method for an electrophotographic apparatus 2000-06-06
5970282 Method of cleaning a surface in an image forming apparatus by feeding toner to the surface Masato Yanagida 1999-10-19
5881339 Image forming apparatus having a cleaning blade for removing deposited toner Masato Yanagida 1999-03-09
5673187 Power supply system Masahide Nakaya 1997-09-30