Inventor · disambiguated record
Toshiaki Umetsubo
Also filed as: UMETSUBO TOSHIAKI
1 granted patent·46 citations·filing 1987–1987
48Inventor score
Technology areasF16C
Files withCALP KOGYO KK1
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1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →