Inventor · disambiguated record

Masahide Yanagiya

Also filed as: YANAGIYA MASAHIDE

1 granted patent·25 citations·filing 1989–1989

42Inventor score

Technology areasE21B

Files withTOHO CHEM IND CO LTD1

Top patents by PatentIndex Score

1 record

0150US4958685AMethod for plugging lost circulation areas and lost circulation material to be used thereforTOHO CHEM IND CO LTD·Filed 1989·Granted Sep 25, 1990·25 cites·5 claims

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