Inventor
OIWA HIDEKI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “OIWA HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DUPLO SEIKO CORP
8 patentsUS7419149B2Sep 2, 2008
Paper sheet processing device
DUPLO SEIKO CORP9 citations82
US10272583B2Apr 30, 2019
Slitter, sheet cutting device, and sheet processing apparatus
DUPLO SEIKO CORP6 citations71
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
US11052630B2Jul 6, 2021
Sheet processor and sheet processing apparatus
DUPLO SEIKO CORP0 citations50
US10850414B2Dec 1, 2020
Sheet material processing device and sheet material processing apparatus
DUPLO SEIKO CORP0 citations39
US10442653B2Oct 15, 2019
Sheet processing apparatus
DUPLO SEIKO CORP0 citations36