Inventor
KAMAKURA KATSUTOSHI
JP3 patents
Patents
3 patentsUS7193962B2Mar 20, 2007
Code disk with a plurality of tracks having different patterns
MITSUBISHI ELECTRIC CORP4 citations71
US7907505B2Mar 15, 2011
Code disk with a plurality of tracks having different patterns
MITSUBISHI ELECTRIC CORP1 citations60
US7612331B2Nov 3, 2009
Code disk with a plurality of tracks having different patterns
MITSUBISHI ELECTRIC CORP2 citations60