Inventor

Kunio Enomoto

Inventor

Tokai, JP

Overview

22→

Patents

1980–2003

Patent span

Physics

Primary field (CPC G)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G21Cprimary

G21CNuclear reactors22%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%

C21DModifying the physical structure of ferrous metals18%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

B24CAbrasive or related blasting with particulate material5%

B05BSpraying apparatus4%

B08BCleaning in general2%

B23KSoldering or unsoldering2%

C03BManufacture, shaping, or supplementary processes2%

PatentTitleYear

6,639,962'Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel'2003 6,612,910'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'2003 6,519,991'Water jet peening apparatus'2003 6,425,276'Water jet peening apparatus'2002 6,345,083'Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel'2002 6,341,151'Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel'2002 6,240,155'Preventive maintenance apparatus for structural members in a nuclear pressure vessel'2001 6,058,153'Preventive maintenance apparatus for structural members in a nuclear pressure vessel'2000 5,897,062'Fluid jet nozzle and stress improving treatment method using the nozzle'1999 5,749,384'Method and apparatus for performing preventive maintenance on the bottom portion of a reactor pressure vessel using cavitation bubbles'1998 5,553,106'Residual stress improving method for members in reactor pressure vessel'1996 5,414,356'Fluxmeter including squid and pickup coil with flux guiding core and method for sensing degree of deterioration of an object'1995 5,329,099'Method of maintaining housing of reactor pressure vessel and heat treatment equipment therefor'1994 5,305,361'Method of and apparatus for water-jet peening'1994 5,215,829'Method for strengthening pressure resistance of a hollowed metallic structure and a pressure resistant structure made thereby'1993 5,134,368'Apparatus for magnetically detecting degradation of metal material using superconductor sensor system and reference material data comparison'1992 5,059,903'Method and apparatus utilizing a magnetic field for detecting degradation of metal material'1991 4,772,336'Method of improving residual stress in circumferential weld zone'1988 4,731,131'Method of subjecting welded structure to heat treatment'1988 4,353,255'Method for determining shape of crack'1982 4,229,235'Heat-treating method for pipes'1980 4,192,728'Method for supplying powder into a coating tank and its apparatus'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2003Patents assigned to HITACHI LTD (21)· patent assignee history

1980–1996Based in Ibaraki, JP· patent location history

1980Based in Kawagoe, JP· patent location history

1982–2003Based in Tokai, JP· patent location history

1996–2001Patents assigned to BABCOCK HITACHI KK (5)· patent assignee history

1998–2003Patents assigned to HITACHI KISO CO LTD (3)· patent assignee history

2002–2003Patents assigned to HITACHI ENG CO LTD (5)· patent assignee history

2002–2003Patents assigned to HITACHI IBARAKI BUSINESS ENGIN (5)· patent assignee history

2002–2003Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	21	1980–2003
BABCOCK HITACHI KK	5	1996–2001
HITACHI ENG CO LTD	5	2002–2003
HITACHI IBARAKI BUSINESS ENGIN	5	2002–2003
HITACHI KISO CO LTD	3	1998–2003

Locations

Location	Patents	Span
Tokai, JP	10	1982–2003
Ibaraki, JP	9	1980–1996
Hitachi, JP	2	2002–2003
Kawagoe, JP	1	1980