Inventor
Ren Morinaka
Inventor
Hitachi, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G21Cprimary
G21CNuclear reactors31%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution28%
C21DModifying the physical structure of ferrous metals15%
B24CAbrasive or related blasting with particulate material8%
B23KSoldering or unsoldering5%
B05BSpraying apparatus3%
B08BCleaning in general3%
B23PMetal-working not otherwise provided for3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,286,501Laser welding apparatus, preventive maintenance method for reactor internal of nuclear power plant, and laser cutting apparatus20199,067,303'Method of executing shot peening'20157,716,961'Method for executing water jet peening'20106,639,962'Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel'20036,519,991'Water jet peening apparatus'20036,425,276'Water jet peening apparatus'20026,345,083'Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel'20026,341,151'Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel'20026,240,155'Preventive maintenance apparatus for structural members in a nuclear pressure vessel'20016,058,153'Preventive maintenance apparatus for structural members in a nuclear pressure vessel'20005,977,515'Underwater laser processing device including chamber with partitioning wall'19995,897,062'Fluid jet nozzle and stress improving treatment method using the nozzle'19995,793,203'Measurement system with noise reduction circuit'19985,749,384'Method and apparatus for performing preventive maintenance on the bottom portion of a reactor pressure vessel using cavitation bubbles'19985,553,106'Residual stress improving method for members in reactor pressure vessel'19965,519,741'System for inspection and mending in a reactor vessel of a nuclear reactor'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2003Patents assigned to HITACHI LTD (13)· patent assignee history
1996–2001Patents assigned to BABCOCK HITACHI KK (5)· patent assignee history
1996–2019Based in Hitachi, JP· patent location 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
2002–2015Based in Takahagi, JP· patent location history
2010–2019Patents assigned to HITACHI GE NUCLEAR ENERGY LTD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 13 | 1996–2003 |
| BABCOCK HITACHI KK | 5 | 1996–2001 |
| HITACHI ENG CO LTD | 5 | 2002–2003 |
| HITACHI IBARAKI BUSINESS ENGIN | 5 | 2002–2003 |
| HITACHI GE NUCLEAR ENERGY LTD | 3 | 2010–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 12 | 1996–2019 |
| Takahagi, JP | 4 | 2002–2015 |