Inventor
OHTA YOSHIHIDE
JP35 patents
⚠️ This page may combine multiple inventors who share the name “OHTA YOSHIHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
7 patentsUS7982923B2Jul 19, 2011
Image forming apparatus
RICOH CO LTD11 citations84
US7878725B2Feb 1, 2011
Image forming apparatus having removable units
RICOH CO LTD8 citations84
US7873303B2Jan 18, 2011
Upper frame opening and closing mechanism, and image forming apparatus using the same
RICOH CO LTD13 citations84
US8045888B2Oct 25, 2011
Sheet conveying device and image forming apparatus
RICOH CO LTD2 citations63
US8032071B2Oct 4, 2011
Image forming apparatus including a reading part supported by first and second supporters
RICOH CO LTD5 citations63
US7963524B2Jun 21, 2011
Image forming apparatus
RICOH CO LTD5 citations63
US7937028B2May 3, 2011
Image forming apparatuses having specialized toner structures and materials
RICOH CO LTD3 citations63
OHTA YOSHIHIDE
5 patentsUS9176462B2Nov 3, 2015
Image forming apparatus having a drawer unit with a paper-feeding conveying path therein
OHTA YOSHIHIDE3 citations59
US8513551B2Aug 20, 2013
Interlock mechanism and image forming apparatus
OHTA YOSHIHIDE1 citations51
US9477196B2Oct 25, 2016
Image forming apparatus
OHTA YOSHIHIDE0 citations40
US8929752B2Jan 6, 2015
Fixing device and image forming apparatus using same
OHTA YOSHIHIDE0 citations40
US10761477B2Sep 1, 2020
Image forming apparatus
OHTA YOSHIHIDE0 citations36