Inventor
TANAKA KATSUHIKO
JP99 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NSK LTD
10 patentsUS5683183ANov 4, 1997
Spindle device and bearing device therefor
NSK LTD78 citations96
US6172847B1Jan 9, 2001
Rotational assembly for disc drive device having small runout and reduced axial displacement
NSK LTD63 citations95
US6634103B2Oct 21, 2003
Method of stabilizing high-speed control of ball bearing device
NSK LTD18 citations92
US6081057AJun 27, 2000
Spindel motor for a disc drive
NSK LTD32 citations92
US6074098AJun 13, 2000
Hydro-dynamic fluid bearing device and manufacturing method of the same
NSK LTD21 citations92
US6033118AMar 7, 2000
Hydro-dynamic fluid bearing device and manufacturing method of the same
NSK LTD34 citations92
US5882122AMar 16, 1999
Rolling bearing and spindle apparatus
NSK LTD31 citations92
US5289067AFeb 22, 1994
Bearing device
NSK LTD41 citations92
US5327417AJul 5, 1994
Optical disk drive and read/write apparatus
NSK LTD31 citations89
US6053638AApr 25, 2000
Ball bearing device for a swing arm
NSK LTD15 citations82
NIPPON SEIKO KK
7 patentsUS4934836AJun 19, 1990
Dynamic pressure type fluid bearing device
NIPPON SEIKO KK65 citations93
US4701651AOct 20, 1987
Motor unit
NIPPON SEIKO KK40 citations93
US4547081AOct 15, 1985
Dynamic pressure type fluid bearing
NIPPON SEIKO KK31 citations93
US4856918AAug 15, 1989
Bearing device
NIPPON SEIKO KK25 citations92
US4805972AFeb 21, 1989
Dynamic pressure gas bearing device
NIPPON SEIKO KK42 citations92
US4798476AJan 17, 1989
Dynamic pressure type fluid bearing
NIPPON SEIKO KK32 citations92
US5114245AMay 19, 1992
Dynamic pressure bearing device
NIPPON SEIKO KK26 citations89
CANON KK
7 patentsUS4839255AJun 13, 1989
Process for producing toner for developing electrostatic images
CANON KK36 citations92
US4737432AApr 12, 1988
Positively chargeable toner and developer for developing electrostatic images contains di-organo tin borate charge controller
CANON KK32 citations92
US4673631AJun 16, 1987
Toner, charge-imparting material and composition containing metal complex
CANON KK28 citations92
US5306588AApr 26, 1994
Treated silica fine powder and toner for developing electrostatic images
CANON KK20 citations86
US7386603B2Jun 10, 2008
Contents distributing server, contents distribution control method, program, and recording medium
CANON KK10 citations83
US5356749AOct 18, 1994
Imaging method comprising a developer having a novel guanidine type compound
CANON KK7 citations74
US5246810ASep 21, 1993
Guanidine type compound, toner for developing electrostatic images, developer for developing electrostatic images
CANON KK5 citations74
FUJI PHOTO FILM CO LTD
5 patentsUS5325144AJun 28, 1994
Photographic film curling correcting method and apparatus
FUJI PHOTO FILM CO LTD27 citations92
US6513539B2Feb 4, 2003
Submerged conveyance structure for photosensitive material
FUJI PHOTO FILM CO LTD8 citations74
US5930550AJul 27, 1999
Processing agent introducing apparatus
FUJI PHOTO FILM CO LTD7 citations74
US5656125AAug 12, 1997
Photographic film splicer and method of splicing photographic films
FUJI PHOTO FILM CO LTD14 citations74
US5360183ANov 1, 1994
Photographic film cassette having a film anchor
FUJI PHOTO FILM CO LTD12 citations74
HITACHI LTD
4 patentsUS6028360AFeb 22, 2000
Semiconductor integrated circuit device in which a conductive film is formed over a trap film which in turn is formed over a titanium film
HITACHI LTD101 citations99
US6605530B2Aug 12, 2003
Method for fabricating semiconductor integrated circuit
HITACHI LTD14 citations92
US6853081B2Feb 8, 2005
Method for fabricating semiconductor integrated circuit
HITACHI LTD11 citations82
US6492730B1Dec 10, 2002
Method for fabricating semiconductor integrated circuit
HITACHI LTD4 citations74
NEC CORP
4 patentsUS7719043B2May 18, 2010
Semiconductor device with fin-type field effect transistor and manufacturing method thereof.
NEC CORP64 citations97
US6252601B1Jun 26, 2001
Tetrahedral mesh generation and recording medium storing program therefor
NEC CORP32 citations93
US7859065B2Dec 28, 2010
Fin-type field effect transistor and semiconductor device
NEC CORP10 citations84
US7830703B2Nov 9, 2010
Semiconductor device and manufacturing method thereof
NEC CORP13 citations84
NIPPON DENSO CO
4 patentsUS4328296AMay 4, 1982
Solid electrolyte for use in oxygen concentration sensor
NIPPON DENSO CO31 citations92
US4219359AAug 26, 1980
Sintered body of zirconia for oxygen concentration sensor
NIPPON DENSO CO37 citations92
US4328294AMay 4, 1982
Solid electrolyte for use in oxygen concentration sensor
NIPPON DENSO CO28 citations82
US4328295AMay 4, 1982
Solid electrolyte for use in oxygen concentration sensor
NIPPON DENSO CO23 citations82
NGK SPARK PLUG CO
3 patentsMURATA MANUFACTURING CO
3 patentsFUJITSU TAKAMISAWA COMPONENT
1 patentMURATA MAUNFACTURING CO
1 patentASACA CORP
1 patentShowing the top 50 of 99 patents by PatentIndex Score.