KH

Kumao Higuchi

TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
Overall (All Time): #3,940,952 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4877665 Lining material for pipe lines Akio Morinaga, Masahiro Seshimo, Hitoshi Saito 1989-10-31