Inventor
YOKOYAMA TETSUO
JP66 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
43 patentsUS4644582AFeb 17, 1987
Image registration method
HITACHI LTD161 citations98
US5319551AJun 7, 1994
Region extracting method and three-dimensional display method
HITACHI LTD92 citations96
US5150421ASep 22, 1992
System for automated transformation of gray level of image
HITACHI LTD68 citations96
US5115812AMay 26, 1992
Magnetic resonance imaging method for moving object
HITACHI LTD90 citations96
US4794531ADec 27, 1988
Unsharp masking for image enhancement
HITACHI LTD108 citations94
US6064391AMay 16, 2000
Method for displaying region extracting processing in an image processing system
HITACHI LTD30 citations93
US5553207ASep 3, 1996
Method of and apparatus for region extraction in three-dimensional voxel data
HITACHI LTD33 citations93
US5275164AJan 4, 1994
Multi-dimensional magnetic resonance imaging method and apparatus for same
HITACHI LTD42 citations93
US4905699AMar 6, 1990
Method and apparatus for NMR imaging
HITACHI LTD24 citations93
US4803431AFeb 7, 1989
Method for imaging three-dimensional moving object
HITACHI LTD31 citations93
US5207222AMay 4, 1993
Method and apparatus for measuring temperature of subject
HITACHI LTD28 citations92
US4915111AApr 10, 1990
Blood flow imaging method
HITACHI LTD38 citations92
US4907287AMar 6, 1990
Image correction system for scanning electron microscope
HITACHI LTD55 citations91
US4733074AMar 22, 1988
Sample surface structure measuring method
HITACHI LTD39 citations89
US5277182AJan 11, 1994
Coronory artery imaging method and apparatus
HITACHI LTD19 citations82
US5016637AMay 21, 1991
MRI method
HITACHI LTD21 citations82
US4899393AFeb 6, 1990
Method for image registration
HITACHI LTD22 citations82
US4725730AFeb 16, 1988
System of automatically measuring sectional shape
HITACHI LTD22 citations82
US5254948AOct 19, 1993
Method and apparatus for body motion corrective imaging
HITACHI LTD9 citations74
US5241271AAug 31, 1993
Ultra-fast imaging method and apparatus
HITACHI LTD9 citations74
US5023553AJun 11, 1991
Method and apparatus for body motion corrective imaging
HITACHI LTD9 citations74
US4962763AOct 16, 1990
Magnetic resonance image synthesizing system
HITACHI LTD15 citations74
US4947837AAug 14, 1990
Method of blood flow imaging
HITACHI LTD18 citations74
US4942359AJul 17, 1990
Method of magnetic resonance imaging
HITACHI LTD7 citations74
US4912412AMar 27, 1990
MR imaging method and apparatus
HITACHI LTD11 citations74
US4912328AMar 27, 1990
Apparatus for improving the signal-to-noise ratio of image signals in a scan-type imaging system
HITACHI LTD7 citations74
US4875012AOct 17, 1989
Image reconstruction method in nuclear magnetic resonance imaging system
HITACHI LTD10 citations74
US4835385AMay 30, 1989
Method of measuring sectional shape and a system therefor
HITACHI LTD7 citations74
US4755047AJul 5, 1988
Photometric stereoscopic shape measuring method
HITACHI LTD15 citations74
US4724388AFeb 9, 1988
Magnetic resonance imaging method
HITACHI LTD11 citations74
US6326189B1Dec 4, 2001
Nucleic acid separating vessel, a method of manufacturing the nucleic acid separating vessel, and a method for separating the nucleic acid
HITACHI LTD10 citations73
US6162356ADec 19, 2000
Chip for use in nucleic acid separation, structural element and process for forming the structural element
HITACHI LTD12 citations73
US5427100AJun 27, 1995
Method for determining median line
HITACHI LTD18 citations73
US4736160AApr 5, 1988
Nuclear magnetic resonance imaging method
HITACHI LTD17 citations73
US4644278AFeb 17, 1987
Nuclear magnetic resonance imaging apparatus
HITACHI LTD7 citations73
US5113137AMay 12, 1992
Method and apparatus for reducing image noises
HITACHI LTD13 citations72
US4996480AFeb 26, 1991
Image reconstructing device for use in magnetic resonance imaging apparatus
HITACHI LTD2 citations63
US4939462AJul 3, 1990
Method and apparatus for MRI
HITACHI LTD4 citations63
US4902974AFeb 20, 1990
Phase correcting method in a magnetic resonance imaging system and device for realizing the same
HITACHI LTD4 citations63
US4844077AJul 4, 1989
NMR imaging method
HITACHI LTD3 citations63
US4817178AMar 28, 1989
Linear cursor representation method
HITACHI LTD4 citations63
US4914727AApr 3, 1990
Method of magnetic resonance dynamic imaging
HITACHI LTD5 citations62
US4607222AAug 19, 1986
Imaging region-of-interest in medical NMR observation
HITACHI LTD4 citations62
HAKKO CORP
4 patentsMITSUBISHI MOTORS CORP
1 patentHITACHI MEDICAL CORP
1 patentNIPPON ZEON CO
1 patentShowing the top 50 of 66 patents by PatentIndex Score.