Inventor
OKAMOTO KAZUHIKO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON KINSEN KIKAI KK
6 patentsUS7182197B2Feb 27, 2007
Optical sensing device for detecting optical features of valuable papers
NIPPON KINSEN KIKAI KK18 citations91
US6179110B1Jan 30, 2001
Bank note discriminating apparatus and bank note drawing means detecting method
NIPPON KINSEN KIKAI KK20 citations87
US7240780B2Jul 10, 2007
Apparatus for discriminating valuable papers with centering means
NIPPON KINSEN KIKAI KK9 citations72
US7677379B2Mar 16, 2010
Optical sensing device for detecting optical features of valuable papers
NIPPON KINSEN KIKAI KK2 citations61
US7677380B2Mar 16, 2010
Optical sensing device for detecting optical features of valuable papers
NIPPON KINSEN KIKAI KK2 citations61
US8348042B2Jan 8, 2013
Optical sensing device for detecting optical features of valuable papers
NIPPON KINSEN KIKAI KK0 citations51
SHARP KK
3 patentsUS5898427AApr 27, 1999
Pen, used for input to electronic apparatus, including a weighted member disposed in the pen to create a radially eccentric center of gravity within the pen
SHARP KK26 citations92
US5135822AAug 4, 1992
Battery housing structure
SHARP KK21 citations81
US4872139AOct 3, 1989
Memory protection device for an electronic apparatus
SHARP KK23 citations79