Inventor
ENOMOTO KUNIO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “ENOMOTO KUNIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS5897062AApr 27, 1999
Fluid jet nozzle and stress improving treatment method using the nozzle
HITACHI LTD58 citations95
US6612910B1Sep 2, 2003
Liquid crystal glass substrate, method of cutting the liquid crystal glass substrate, cutter for the liquid crystal glass substrate and display using the liquid crystal glass substrate
HITACHI LTD25 citations92
US6519991B2Feb 18, 2003
Water jet peening apparatus
HITACHI LTD16 citations92
US6425276B1Jul 30, 2002
Water jet peening apparatus
HITACHI LTD28 citations92
US6341151B1Jan 22, 2002
Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel
HITACHI LTD29 citations92
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
US4229235AOct 21, 1980
Heat-treating method for pipes
HITACHI LTD39 citations92
US6058153AMay 2, 2000
Preventive maintenance apparatus for structural members in a nuclear pressure vessel
HITACHI LTD23 citations91
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
US5553106ASep 3, 1996
Residual stress improving method for members in reactor pressure vessel
HITACHI LTD21 citations90
US5305361AApr 19, 1994
Method of and apparatus for water-jet peening
HITACHI LTD44 citations90
US5749384AMay 12, 1998
Method and apparatus for performing preventive maintenance on the bottom portion of a reactor pressure vessel using cavitation bubbles
HITACHI LTD18 citations82
US6639962B2Oct 28, 2003
Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel
HITACHI LTD8 citations73
US6345083B1Feb 5, 2002
Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel
HITACHI LTD7 citations73
US6240155B1May 29, 2001
Preventive maintenance apparatus for structural members in a nuclear pressure vessel
HITACHI LTD14 citations72
US4731131AMar 15, 1988
Method of subjecting welded structure to heat treatment
HITACHI LTD15 citations72
US4353255AOct 12, 1982
Method for determining shape of crack
HITACHI LTD14 citations71
US4772336ASep 20, 1988
Method of improving residual stress in circumferential weld zone
HITACHI LTD8 citations70
US5329099AJul 12, 1994
Method of maintaining housing of reactor pressure vessel and heat treatment equipment therefor
HITACHI LTD4 citations62
US5215829AJun 1, 1993
Method for strengthening pressure resistance of a hollowed metallic structure and a pressure resistant structure made thereby
HITACHI LTD4 citations56