KK

Kazuhito Koyama

HI Hitachi: 2 patents #336 of 2,935Top 15%
Overall (1989): #22,921 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4861348 Fuel reforming apparatus Shigehisa Sugita, Seiichiro Sakaguchi, Nobuhiro Seiki, Asao Hanzawa 1989-08-29
4820594 Method of starting fuel cell power generation system Shigehisa Sugita, Koji Shiina, Seiichiro Sakaguchi, Michio Kuroda, Yoshiki Noguchi 1989-04-11