Inventor · disambiguated record

Hisao Ootsuga

Also filed as: OOTSUGA HISAO

1 granted patent·18 citations·filing 1984–1984

38Inventor score

Technology areasF16L

Files withTOKYO GAS CO LTD1

Top patents by PatentIndex Score

1 record

0150US4556580AMethod of repairing pipes laid undergroundTOKYO GAS CO LTD·Filed 1984·Granted Dec 3, 1985·18 cites·4 claims

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