YH

Yoshio Hamamoto

KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Overall (All Time): #1,481,928 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10052717 Underwater welding apparatus and underwater welding method Tatsuya Ishigaki, Takuya Uehara, Osamu Yamaguchi, Takeshi Maehara, Hiromi Kato 2018-08-21
9136026 Reactor bottom repairing method Yuuichi Motora, Hiromi Kato, Masahiro Takeuchi, Masataka Tamura, Satoshi Okada +5 more 2015-09-15
8378256 Surface crack sealing method Masataka Tamura, Yoshinobu Makino, Wataru Kono, Katsunori Shiihara, Yoshimi Tanaka +3 more 2013-02-19