Assignee
YAMADA SHIGERU
JP8 patents
Top patents by PatentIndex Score
US8569640B2Oct 29, 2013
Key switch structure
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US8957332B2Feb 17, 2015
Key switch structure
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US8835785B2Sep 16, 2014
Key switch structure
YAMADA SHIGERU7 citations84
US8735748B2May 27, 2014
Keyboard structure
YAMADA SHIGERU2 citations63
US8188604B2May 29, 2012
Semiconductor device incorporating preventative measures to reduce cracking in exposed electrode layer
YAMADA SHIGERU2 citations63
US8125663B2Feb 28, 2012
Usage status management device, recording medium storing usage status processing program, usage status management system, and usage status management method
YAMADA SHIGERU4 citations63
US8115317B2Feb 14, 2012
Semiconductor device including electrode structure with first and second openings and manufacturing method thereof
YAMADA SHIGERU5 citations60
US9082564B2Jul 14, 2015
Key support arrangement for narrow key switch structure
YAMADA SHIGERU1 citations52