HO

Hisao Ontsuga

AC Ashimori Industry Co.: 1 patents #73 of 185Top 40%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
Overall (All Time): #4,046,971 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4368091 Method for providing the inner surface of a pipe with a flexible tubular lining material through a liquid resin under pressure Akio Morinaga, Akira Morita 1983-01-11