Inventor
HOSAKA JUNKO
JP4 patents
Patents
4 patentsUS7034235B2Apr 25, 2006
Key sheet
POLYMATECH CO LTD30 citations88
US7465889B2Dec 16, 2008
Pushbutton switch cover sheet and method of manufacturing the same
POLYMATECH CO LTD8 citations71
US7598466B2Oct 6, 2009
Key sheet
POLYMATECH CO LTD4 citations60
US7902470B2Mar 8, 2011
Decorative key sheet for pushbutton switches
POLYMATECH CO LTD5 citations58