Inventor · disambiguated record
Yoshifumi Umehara
Also filed as: UMEHARA YOSHIFUMI
1 granted patent·4 citations·filing 1981–1981
24Inventor score
Technology areasH04N
Files withNIHON REGULATOR KK1
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1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →