Inventor
KUROSAWA KOICHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KUROSAWA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS6058153AMay 2, 2000
Preventive maintenance apparatus for structural members in a nuclear pressure vessel
HITACHI LTD23 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
US6240155B1May 29, 2001
Preventive maintenance apparatus for structural members in a nuclear pressure vessel
HITACHI LTD14 citations72
US5494539AFeb 27, 1996
Metal member quality improving method by spot welding
HITACHI LTD16 citations71
US5267279ANov 30, 1993
Method and structure for repairing an elongated metal hollow member
HITACHI LTD14 citations71
US5227124AJul 13, 1993
Method and structure for preventive maintaining an elongated metal hollow member
HITACHI LTD17 citations71
US5329099AJul 12, 1994
Method of maintaining housing of reactor pressure vessel and heat treatment equipment therefor
HITACHI LTD4 citations62
AOIKE SATORU
2 patentsHITACHI GE NUCLEAR ENERGY LTD
2 patentsUS9208908B2Dec 8, 2015
Method of repairing shroud support and repair apparatus thereof
HITACHI GE NUCLEAR ENERGY LTD0 citations39
US10286501B2May 14, 2019
Laser welding apparatus, preventive maintenance method for reactor internal of nuclear power plant, and laser cutting apparatus
HITACHI GE NUCLEAR ENERGY LTD0 citations34