YK

Yukitaka Kumagai

OC Olympus Optical Co.: 6 patents #576 of 2,334Top 25%
OL Olympus: 4 patents #1,098 of 3,097Top 40%
Overall (All Time): #519,160 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
7950757 Image recording apparatus 2011-05-31
7784891 Image recording apparatus 2010-08-31
7497567 Recording apparatus 2009-03-03
7152971 Positioning structure in image forming apparatus Tatsutoshi Hashimoto, Hiroshi Hashi 2006-12-26
6729720 Image forming apparatus having suction holes formed in grooves of the paper supporting surface Motoharu Miki, Nobuyuki Koyama, Yasuo Murata, Mineo Hashimoto, Masahiro Nakanishi 2004-05-04
RE38092 Image forming apparatus Takahisa Yamada 2003-04-29
6042228 Image forming apparatus Takahisa Yamada 2000-03-28
5838354 Image forming apparatus Takahisa Yamada 1998-11-17
D351411 Eraser for drum of photocopier Kyouichi Inoue 1994-10-11
D350974 Charger for printers Kyouichi Inoue 1994-09-27