Inventor
TAKAHASHI NORIYOSHI
JP46 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI NORIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
27 patentsUS4377784AMar 22, 1983
Fault detection apparatus for rotor winding of rotary machine
HITACHI LTD71 citations96
US4503377AMar 5, 1985
Variable speed rotary electric machine
HITACHI LTD86 citations95
US3963950AJun 15, 1976
Stator of rotary electric machine
HITACHI LTD72 citations93
US4823037AApr 18, 1989
DC Electric motor having field poles of permanent magnet
HITACHI LTD26 citations92
US4306165ADec 15, 1981
Cooling system for rotary electric machines
HITACHI LTD42 citations91
US4409508AOct 11, 1983
Brush holder with coated clamp for dynamo-electric machine
HITACHI LTD47 citations90
US4137471AJan 30, 1979
Stator winding structure for gap winding type electric rotary machine
HITACHI LTD31 citations89
US4080543AMar 21, 1978
Winding assembly of gap winding type electric rotary machines
HITACHI LTD20 citations82
US4409506AOct 11, 1983
Induction motor
HITACHI LTD27 citations81
US3932778AJan 13, 1976
Cooling device for an electric rotary machine
HITACHI LTD32 citations81
US4639625AJan 27, 1987
Direct-current machine having permanent magnet field system
HITACHI LTD8 citations74
US4633115ADec 30, 1986
Apparatus for connecting conductor strands with transposition in electrical rotary machine
HITACHI LTD9 citations74
US4451752AMay 29, 1984
Stator of D.C. rotary machine
HITACHI LTD18 citations74
US5089737AFeb 18, 1992
Dc rotary electric machine of permanent magnet field type
HITACHI LTD8 citations73
US4959575ASep 25, 1990
Transpositioned multi-strand conductor for electric rotary machine
HITACHI LTD20 citations73
US4794291ADec 27, 1988
Permanent magnet field DC machine
HITACHI LTD16 citations73
US4777396AOct 11, 1988
Rotor of induction motor
HITACHI LTD12 citations73
US4703210AOct 27, 1987
Miniature electric non-uniform magnetization rotating machine
HITACHI LTD13 citations73
US4454460AJun 12, 1984
D.C. Rotary machine with interpole compensation
HITACHI LTD10 citations73
US4316113AFeb 16, 1982
Electric rotary machine
HITACHI LTD19 citations73
US4562397ADec 31, 1985
Squirrel-cage induction motor
HITACHI LTD12 citations72
US4467234AAug 21, 1984
Armature of rotating machine with means to balance the mutual inductance of adjacent pairs of coils
HITACHI LTD10 citations72
US4341971AJul 27, 1982
Armature of electric rotating machine
HITACHI LTD18 citations71
US4082974AApr 4, 1978
Gap winding type dynamo-electric machine
HITACHI LTD13 citations71
US4020373AApr 26, 1977
Rotary electric machine
HITACHI LTD9 citations71
US4704789ANov 10, 1987
Method of manufacturing electromagnetic members
HITACHI LTD3 citations57
US4657818AApr 14, 1987
Sliding current collector
HITACHI LTD1 citations52
FUJI XEROX CO LTD
12 patentsUS5139911AAug 18, 1992
Electrophotographic photoreceptor with two part surface layer
FUJI XEROX CO LTD67 citations96
US5262262ANov 16, 1993
Electrophotographic photoreceptor having conductive layer and amorphous carbon overlayer
FUJI XEROX CO LTD27 citations90
US5094929AMar 10, 1992
Electrophotographic photoreceptor with amorphous carbon containing germanium
FUJI XEROX CO LTD7 citations73
US4960662AOct 2, 1990
Positively and negatively chargeable electrophotographic photoreceptor
FUJI XEROX CO LTD11 citations73
US4932859AJun 12, 1990
Electrophotographic photoreceptor having doped and/or bilayer amorphous silicon photosensitive layer
FUJI XEROX CO LTD10 citations71
US5510217AApr 23, 1996
Gallium phthalocyanine halide crystals, method for preparing the same and electrophotographic photoreceptor using the same
FUJI XEROX CO LTD5 citations62
US5059501AOct 22, 1991
Electrophotographic photoreceptor with overlayer of amorphous Si with N
FUJI XEROX CO LTD5 citations62
US4923773AMay 8, 1990
Multilayered electrophotographic photoreceptor of amorphous silicon having a surface layer of nitrogenated amorphous silicon
FUJI XEROX CO LTD6 citations62
US4965154AOct 23, 1990
Electrophotographic photoreceptor having surface layers
FUJI XEROX CO LTD5 citations61
US5008170AApr 16, 1991
Photoreceptor for electrophotography
FUJI XEROX CO LTD6 citations60
US7348119B2Mar 25, 2008
Toner for developing electrostatic latent image, method for manufacturing toner, and developer for developing electrostatic latent image
FUJI XEROX CO LTD2 citations56
US5459009AOct 17, 1995
Process for making an electrophotographic photoreceptor having protective layer
FUJI XEROX CO LTD1 citations52