Oblon, Fisher, Spivak, McClelland & Maier
Ignition device
 In an ignition device, a preheater in the wall of a carburetor is connectable to an ignition heater in series and the heaters are controlled by the switching operation of relay contacts. Both heaters are connectable in series during the ignition operation to limit current flowing to the ignition heater. 
Mitsubishi Denki Kabushiki Kaisha
Y F F
Y02T F02M F02M
additional inventional inventional
Kouji Jyoji Tatuo
Iwamatsu Uno Miyoshi