Hiromichi Koyama

Movable contact unit, panel switch using the same and electronic equipment having the panel switch

Movable contact element for panel switch and method of manufacturing panel switch with movable contact element

Movable contact unit arrangement including a movable contact unit and a magnetic sensor

Method of manufacturing a switch panel to be disposed close to a magnetic sensor

Method of production of series of a tactile contact units and tactile contact unit, and series of tactile contact units and a tactile contact unit produced by using the same method

Method of manufacturing a movable contact unit to be disposed close to a magnetic sensor

Movable contact unit and panel switch

Switch having improved contact performance

Movable contact element and panel switch formed using the same

Movable contact unit, manufacturing method of the same, and manufacturing method of panel switch