Frederik H. M. Wittkampf

VN Vitafin N.V.: 9 patents #1 of 13Top 8%

SD St. Jude Medical, Atrial Fibrillation Division: 4 patents #94 of 290Top 35%

VV Vitatron Medical B. V.: 4 patents #7 of 46Top 20%

ME Medtronic: 4 patents #2,074 of 6,325Top 35%

TO The Regents Of The University Of Oklahoma: 3 patents #2 of 32Top 7%

SM St. Jude Medical: 2 patents #233 of 475Top 50%

📍 Lage Vuursche, NL: #1 of 2 inventorsTop 50%

Overall (All Time): #150,970 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4305396	Rate adaptive pacemaker and method of cardiac pacing	Kornelis A. Mensink, Hendrik L. Brouwer	1981-12-15