P

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 patents
US4644582AFeb 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 patents

MITSUBISHI MOTORS CORP

1 patent

HITACHI MEDICAL CORP

1 patent

NIPPON ZEON CO

1 patent

Showing the top 50 of 66 patents by PatentIndex Score.