Inventor
OOTA RYUICHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “OOTA RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DUPLO SEIKO CORP
6 patentsUS7419149B2Sep 2, 2008
Paper sheet processing device
DUPLO SEIKO CORP9 citations82
US7448837B2Nov 11, 2008
Bookbinding apparatus
DUPLO SEIKO CORP16 citations81
US10345041B2Jul 9, 2019
Method of drying wet paper and waste paper recycling apparatus
DUPLO SEIKO CORP2 citations67
US8353509B2Jan 15, 2013
Stacker device
DUPLO SEIKO CORP2 citations61
US7832318B2Nov 16, 2010
Paper sheet processing device
DUPLO SEIKO CORP3 citations61
US7506868B2Mar 24, 2009
Sheet feeder
DUPLO SEIKO CORP2 citations61