An insulated gate field effect semiconductor device comprising a substrate having provided thereon a thin-film structured insulated gate field effect semiconductor device, said device being characterized by that it comprises a metal gate electrode and at least the side thereof is coated with an oxide of the metal. The vehicle location recognition apparatus includes a history information generation unit for generating travel history information for the determined link. A footrest section is attached to the seat section and can be pivotable down for upright seating or up for elevating the feet or for reclining in a prone position.