Inventor · disambiguated record
John J. Hren
Also filed as: CLARK DAVID E · HREN JOHN J
3 granted patents·963 citations·filing 1977–1995
82Inventor score
Top patents by PatentIndex Score
3 records- 0194US4202337ABipolar electrosurgical knifeCONCEPT·Filed 1977·Granted May 13, 1980·436 cites·19 claims
- 0293US4228800ABipolar electrosurgical knifeCONCEPT·Filed 1978·Granted Oct 21, 1980·412 cites·17 claims
- 0392US5580380AMethod for forming a diamond coated field emitter and device produced therebyUNIV NORTH CAROLINA STATE·Filed 1995·Granted Dec 3, 1996·115 cites·49 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →