Assignee
YAMAMOTO KAZUYA
JP12 patents
Top patents by PatentIndex Score
US8289102B2Oct 16, 2012
Directional coupler
YAMAMOTO KAZUYA76 citations97
US9348291B2May 24, 2016
Image forming apparatus and image forming system with correction mechanism
YAMAMOTO KAZUYA8 citations84
US8461929B2Jun 11, 2013
Power amplifier
YAMAMOTO KAZUYA8 citations84
US8870176B2Oct 28, 2014
Sheet processing apparatus with pressing unit
YAMAMOTO KAZUYA3 citations63
US8649096B2Feb 11, 2014
Fine grating and mold therefor
YAMAMOTO KAZUYA3 citations63
US12572104B2Mar 10, 2026
Sheet storage device and image forming apparatus
YAMAMOTO KAZUYA0 citations62
US8558549B2Oct 15, 2013
Detector circuit and semiconductor device using same
YAMAMOTO KAZUYA4 citations62
US8217722B2Jul 10, 2012
Power amplifier
YAMAMOTO KAZUYA2 citations62
US12441567B2Oct 14, 2025
Sheet feeding device and image forming apparatus incorporating the sheet feeding device
YAMAMOTO KAZUYA0 citations52
US9102185B2Aug 11, 2015
Sheet processing apparatus with pressing unit, and image forming system
YAMAMOTO KAZUYA0 citations52
US8253984B2Aug 28, 2012
Facsimile machine, facsimile notification system, and communication terminal device
YAMAMOTO KAZUYA1 citations52
US9007605B2Apr 14, 2015
Image formation apparatus
YAMAMOTO KAZUYA0 citations42