HU

Hajime Umehara

HI Hitachi: 3 patents #156 of 2,942Top 6%
HC Hitachi Nuclear Engineering Co.: 1 patents #1 of 7Top 15%
Overall (1997): #15,952 of 185,788Top 9%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5663502 Method and apparatus for measuring thickness of layer using acoustic waves Yoshiaki Nagashima, Kenichi Fujiwara, Masao Sato, Fuminobu Takahashi, Masahiro Koike +1 more 1997-09-02
5640435 Fuel assembly and nuclear reactor Hideki Kurosaki, Junjiro Nakajima, Shozo Nakamura, Satoshi Kanno, Koji Nishida +4 more 1997-06-17
5617456 Fuel assembly and nuclear reactor Hideki Kurosaki, Junjiro Nakajima, Shozo Nakamura, Satoshi Kanno, Koji Nishida +4 more 1997-04-01