Inventor · disambiguated record
Hiroyuki Takeyama
Also filed as: TAKEYAMA HIROYUKI
1 granted patent·30 citations·filing 1982–1982
44Inventor score
Technology areasB23K
Files withOSAKA TRANSFORMER CO LTD1
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1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →