Assignee
YAMAMOTO MASAO
JP9 patents
Top patents by PatentIndex Score
US8253787B2Aug 28, 2012
Magnifying attachment for a camera
YAMAMOTO MASAO23 citations92
US8089511B2Jan 3, 2012
Universal joint and image display unit
YAMAMOTO MASAO20 citations92
US8847851B2Sep 30, 2014
Head-mounted display
YAMAMOTO MASAO12 citations84
US8493287B2Jul 23, 2013
Head mounted display device and image display device
YAMAMOTO MASAO20 citations84
US8645718B2Feb 4, 2014
Apparatus and method for sampling power consumption
YAMAMOTO MASAO2 citations62
US9138910B2Sep 22, 2015
Scribe device, scribe method, and tip holder
YAMAMOTO MASAO0 citations52
US8544374B2Oct 1, 2013
Scribe device, scribe method, and tip holder
YAMAMOTO MASAO0 citations42
US8535837B2Sep 17, 2013
Fuel cell system
YAMAMOTO MASAO0 citations42
US8445158B2May 21, 2013
Fuel cell system and operation method thereof
YAMAMOTO MASAO0 citations41