Inventor
SUGA SEIICHI
JP4 patents
Patents
4 patentsUS6646631B2Nov 11, 2003
Input device
ALPS ELECTRIC CO LTD26 citations91
US6087604AJul 11, 2000
Thin keyboard
ALPS ELECTRIC CO LTD9 citations72
US5874946AFeb 23, 1999
Image control device and data input device to be used therefor
ALPS ELECTRIC CO LTD10 citations67
US6312176B2Nov 6, 2001
Keyboard apparatus
ALPS ELECTRIC CO LTD3 citations57