Inventor · disambiguated record

Hisao Ontsuga

Also filed as: ONTSUGA HISAO

1 granted patent·109 citations·filing 1979–1979

53Inventor score

Technology areasB29C

Files withTOKYO GAS CO LTD1

Top patents by PatentIndex Score

1 record

0193US4368091AMethod for providing the inner surface of a pipe with a flexible tubular lining material through a liquid resin under pressureTOKYO GAS CO LTD·Filed 1979·Granted Jan 11, 1983·109 cites·13 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →