Inventor · disambiguated record

John Callan

Also filed as: CALLAN JOHN · CALLAN JOHN F · CALLAN JOHN FRANCIS

6 granted patents·6 pending applications·22 citations·filing 19962025

77Inventor score
Technology areasA61KA61PC07K
Files withUNIV ULSTER6INNOVATION ULSTER LTD3CALLAN JOHN1CALLAN JOHN F1SONOTARG LTD1

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12 records

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