Inventor
TAKAHIRA MASAFUMI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHIRA MASAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
8 patentsUS7918451B2Apr 5, 2011
Switchback mechanism and image forming apparatus
RICOH CO LTD14 citations84
US7878725B2Feb 1, 2011
Image forming apparatus having removable units
RICOH CO LTD8 citations84
US7869750B2Jan 11, 2011
Image forming apparatus with a phase of a first load torque substantially opposite to a phase of a second load torque
RICOH CO LTD7 citations83
US8045888B2Oct 25, 2011
Sheet conveying device and image forming apparatus
RICOH CO LTD2 citations63
US7992860B2Aug 9, 2011
Sheet feeding device, image forming apparatus, and sheet feeding method
RICOH CO LTD5 citations62
US7983596B2Jul 19, 2011
Housing structure and image forming apparatus
RICOH CO LTD2 citations62
US7963520B2Jun 21, 2011
Sheet loading device, sheet conveying device, and image forming apparatus
RICOH CO LTD0 citations52
US7954814B2Jun 7, 2011
Feeding device and image forming apparatus
RICOH CO LTD1 citations52
RICOH KK
4 patentsUS7731170B2Jun 8, 2010
Open/close mechanism for paper tray for use in image forming apparatus
RICOH KK10 citations84
US7677555B2Mar 16, 2010
Sheet conveying apparatus and image forming apparatus with vibration applying unit
RICOH KK8 citations84
US7676176B2Mar 9, 2010
Image forming apparatus including cover and supporting unit
RICOH KK13 citations84
US7731182B2Jun 8, 2010
Sliding mechanism, sheet guide, sheet loading device, and image forming apparatus
RICOH KK5 citations63