SK

Seiichi Kikkawa

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,348,542 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4593835 Cryogenic liquefied pump system Hisanao Ogata, Yoshinori Hakuraku, Masahiro Mase, Nobuo Tsumaki, Yoshihisa Awada +1 more 1986-06-10
4432216 Cryogenic cooling apparatus Toshiharu Matsuda, Kenjiro Kasai, Norihide Saho, Kouzo Matumoto 1984-02-21