Inventor

HAMAMOTO YOSHIO

JP3 patents

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

TOSHIBA KK

1 patent

US8378256B2Feb 19, 2013

Surface crack sealing method

TOSHIBA KK0 citations48

ISHIGAKI TATSUYA

1 patent

US10052717B2Aug 21, 2018

Underwater welding apparatus and underwater welding method

ISHIGAKI TATSUYA0 citations31

HAMAMOTO YOSHIO

1 patent

US9136026B2Sep 15, 2015

Reactor bottom repairing method

HAMAMOTO YOSHIO0 citations30