Inventor · disambiguated record
Tsugio Sonobe
Also filed as: SONOBE TSUGIO
1 granted patent·136 citations·filing 1989–1989
54Inventor score
Technology areasG02B
Files withDORYOKURO KAKUNENRYO1
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1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →