Inventor
SHOJI MITSUYOSHI
JP14 patents
Patents
14 patentsUS4454052AJun 12, 1984
Liquid absorbent for absorption type refrigerator
HITACHI LTD68 citations93
US5157066AOct 20, 1992
Fluoroalkyl ether, surface modifying composition and method for modifying surface
HITACHI LTD27 citations92
US5204202AApr 20, 1993
Electrophotographic photosensitive element comprising a protective layer with a porous surface impregnated with lubricant
HITACHI LTD24 citations90
US5252418AOct 12, 1993
Electrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophotographic apparatus utilizing the same
HITACHI LTD20 citations82
US5536578AJul 16, 1996
Magnetic recording medium comprising a protective layer and a layer of ammonium carboxylate fluorine-containing compound
HITACHI LTD9 citations74
US5223342AJun 29, 1993
Magnetic recording medium having a lubricating layer comprising a binder and specified perfluoro polyoxyalkyl lubricant
HITACHI LTD12 citations74
US5071715ADec 10, 1991
Magnetic recording medium with a lubricant layer containing a perfluoro polyoxyalkyl compound
HITACHI LTD10 citations74
US5549835AAug 27, 1996
Apparatus equipped with a cooling block unit having sliding parts and a compound used to the same
HITACHI LTD15 citations73
US5456980AOct 10, 1995
Ammonium carboxylate lubricant and magnetic recording medium using the same
HITACHI LTD17 citations73
US5073466ADec 17, 1991
Electrophotographic member containing a fluorine-containing lubricating agent and process for producing the same
HITACHI LTD12 citations72
US5830834ANov 3, 1998
Ammonium carboxylate type fluorine-containing compound, solid surface modifier containing the same and magnetic recording medium using the same
HITACHI LTD2 citations63
US5346633ASep 13, 1994
Method for surface treatment of a body, surface treatment agent, surface treated body, surface treated members, and apparatus being furnished with same
HITACHI LTD2 citations62
US5128435AJul 7, 1992
Magnetic recording medium based on epoxy resins modified by isocyanates with poly(perfluoroether) backbones
HITACHI LTD3 citations62
US5985403ANov 16, 1999
Magnetic recording medium and magnetic recording reproducer
HITACHI LTD4 citations61