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Yuji Yamakawa

Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HC Hitachi Device Engineering Co.: 2 patents #202 of 514Top 40%
Overall (All Time): #843,121 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9580821 Control method of differential pressure water electrolysis system Jun Takeuchi, Akihiro Noda 2017-02-28
9487874 Method for operating the water electrolysis system Daisuke Kurashina, Koji Nakazawa, Hisashi Nagaoka, Hiroyuki Ishikawa, Jun Takeuchi 2016-11-08
8936712 Water electrolysis system and method for operating the same Daisuke Kurashina, Koji Nakazawa, Hisashi Nagaoka, Hiroyuki Ishikawa, Jun Takeuchi 2015-01-20
8679305 High-pressure hydrogen producing apparatus Koji Nakazawa, Hiroyuki Ishikawa 2014-03-25
6388722 Back light system for minimizing non-display area of liquid crystal display device Yoshiomi Yoshii, Masahiko Suzuki, Kenichi Iwamoto, Tustomu Isono 2002-05-14
6147724 Back light system for minimizing non display area of liquid crystal display device Yoshiomi Yoshii, Masahiko Suzuki, Kenichi Iwamoto, Tsutomu Isono 2000-11-14