P

Inventor

SHIMIZU TASUKU

JP23 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU TASUKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

17 patents
US5134368AJul 28, 1992

Apparatus for magnetically detecting degradation of metal material using superconductor sensor system and reference material data comparison

HITACHI LTD22 citations92
US5059903AOct 22, 1991

Method and apparatus utilizing a magnetic field for detecting degradation of metal material

HITACHI LTD33 citations92
US4987367AJan 22, 1991

Method and apparatus for predicting deterioration of a member constituting a part of equipment

HITACHI LTD31 citations92
US4764970AAug 16, 1988

Method and apparatus for detecting cracks

HITACHI LTD41 citations92
US4426718AJan 17, 1984

X-Ray diffraction apparatus

HITACHI LTD36 citations92
US5414356AMay 9, 1995

Fluxmeter including squid and pickup coil with flux guiding core and method for sensing degree of deterioration of an object

HITACHI LTD41 citations91
US4678571AJul 7, 1987

Water purifier

HITACHI LTD25 citations90
US4572868AFeb 25, 1986

Anti-corrosive sealing tape

HITACHI LTD24 citations80
US4505763AMar 19, 1985

Heat-treating method of weld portion of piping system and heating coil for the heat treatment

HITACHI LTD22 citations79
US4288677ASep 8, 1981

Welding method of turbine diaphragm

HITACHI LTD23 citations78
US5110537AMay 5, 1992

Water quality inspection method and apparatus therefor

HITACHI LTD7 citations74
US4687625AAug 18, 1987

Piping of nuclear reactor containment vessel

HITACHI LTD7 citations74
US4404682ASep 13, 1983

Method for foreseeing residual life of structural member making use of X-ray

HITACHI LTD13 citations74
US4402227ASep 6, 1983

Method of determining fatigue life of metals

HITACHI LTD12 citations74
US4731131AMar 15, 1988

Method of subjecting welded structure to heat treatment

HITACHI LTD15 citations72
US4772336ASep 20, 1988

Method of improving residual stress in circumferential weld zone

HITACHI LTD8 citations70
US4770046ASep 13, 1988

Method of and system for assessing the safety of shrinkage fitted type rotor

HITACHI LTD2 citations61

TOKYO SEIMITSU CO LTD

5 patents

TOYODA GOSEI KK

1 patent