Yasuyuki Fukushima

Coordinate input stylus

Pressure sensitive element and a stylus pen with pressure sensitive function

Pointing unit and improved stylus pen

Pressure sensitive element and a stylus with pressure sensitive function

Position indicator, variable capacitor, position input device and computer system

Input system including position-detecting device

POSITION INDICATOR, VARIABLE CAPACITOR AND INPUT DEVICE

VARIABLE CAPACITOR AND POSITION INDICATOR

Coordinate input device, position indicator and variable capacitor

Variable capacity condenser and pointer