Inventor

YOSHIKUBO FUJIO

JP8 patents

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

HITACHI LTD

3 patents

US6058153AMay 2, 2000

Preventive maintenance apparatus for structural members in a nuclear pressure vessel

HITACHI LTD23 citations91

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

HITACHI GE NUCLEAR ENERGY LTD

3 patents

US9193034B2Nov 24, 2015

Method of executing water jet peening

HITACHI GE NUCLEAR ENERGY LTD2 citations60

US9067303B2Jun 30, 2015

Method of executing shot peening

HITACHI GE NUCLEAR ENERGY LTD0 citations50

US9324463B2Apr 26, 2016

Preventive maintenance method and apparatus for a structural components in a reactor pressure vessel

HITACHI GE NUCLEAR ENERGY LTD1 citations48

MATSUI YUJI

1 patent

US8387427B2Mar 5, 2013

Water jet peening method and apparatus thereof

MATSUI YUJI3 citations59

HATOU HISAMITU

1 patent

US8776565B2Jul 15, 2014

Evaluation method of residual stress in water jet peening and method of executing water jet peening

HATOU HISAMITU2 citations54