Inventor
HAYASHI SABUROU
JP7 patents
Patents
7 patentsUS5804309ASep 8, 1998
Charging roll
TOKAI RUBBER IND LTD32 citations91
US5609554AMar 11, 1997
Conductive roll
TOKAI RUBBER IND LTD32 citations91
US5768668AJun 16, 1998
Toner supply roll having openings in skin layer of porous cylindrical polyurethane sponge structure, and method of producing the same
TOKAI RUBBER IND LTD34 citations90
US5378525AJan 3, 1995
Crowned resilient roll with coating layer and method of producing the same
TOKAI RUBBER IND LTD18 citations78
US5753154AMay 19, 1998
Method of producing a conductive roll
TOKAI RUBBER IND LTD9 citations72
US5604031AFeb 18, 1997
Electrically conductive roll whose base layer is formed of ion-conductive elastic material
TOKAI RUBBER IND LTD9 citations71
US5455077AOct 3, 1995
Method of producing a crowned resilient roll with coating layer
TOKAI RUBBER IND LTD11 citations70