SS

Sofumi Sato

AK Ashimori Kogyo Kabushiki Kaisha: 1 patents #16 of 51Top 35%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
Overall (All Time): #3,638,768 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5857494 Pipeline structure with a lining material, an end structure of said pipeline and a method for applying a lining material to a pipeline Katsuyoshi Tsukamoto, Shigeru Toyoda, Masakatsu Hyodo, Kiyoshi Uegaki, Masatoshi Ishikawa +1 more 1999-01-12