Fitapatrick, Cella, Harper & Scinto
Fixing member fixing apparatus and electrophotographic apparatus using them
 A fixing member has a hollow fixing roller and an induction coil inside the fixing roller for generating heat from an induction current. The fixing roller has an outer surface and an inner surface, the inner surface facing the induction coil and the inner surface also having a heat insulating layer formed of hollow glass. 
Canon Kabushiki Kasiha
G
G03G
inventional
Osamu
Watanabe