Inventor
SAKANO AKIO
JP11 patents
Patents
11 patentsUS5414413AMay 9, 1995
Touch panel apparatus
SONY CORP272 citations97
US4723056AFeb 2, 1988
Coordinate position digitizing system
SONY CORP61 citations94
US5526440AJun 11, 1996
Hand-written character recognition apparatus
SONY CORP28 citations92
US5113452AMay 12, 1992
Hand-written character recognition apparatus and method
SONY CORP40 citations92
US4571454AFeb 18, 1986
Coordinate position digitizing system
SONY CORP52 citations91
US5786817AJul 28, 1998
Method and apparatus for setting retention period of e-mail based on visual screen selection
SONY CORP59 citations90
US5150424ASep 22, 1992
On-line character recognition apparatus
SONY CORP40 citations89
US5010579AApr 23, 1991
Hand-written, on-line character recognition apparatus and method
SONY CORP17 citations73
US4733023AMar 22, 1988
Coordinate position digitizing system for determining position of a pick-up element relative to a plate in horizontal and vertical directions employing sequential switching of vertical and horizontal conductors
SONY CORP14 citations72
US4728944AMar 1, 1988
Coordinate position digitizing system
SONY CORP9 citations72
US4368528AJan 11, 1983
Pickup cartridge
SONY CORP0 citations51