Inventor · disambiguated record

Toshitsugu Koyama

Also filed as: KOYAMA TOSHITSUGU

1 granted patent·11 citations·filing 1981–1981

33Inventor score
Technology areasF23D
Files withHITACHI SHIPBUILDING ENG CO1

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1 record

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