Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JG

John P. Greelis — 33 Patents

COConmed: 13 patents #12 of 241Top 5%
IMImagyn Medical: 7 patents #3 of 19Top 20%
KMKfx Medical: 3 patents #5 of 8Top 65%
SISitus: 3 patents #3 of 11Top 30%
MCMicro-Tech (Nanjing) Co.: 1 patents #20 of 52Top 40%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
ITImagyn Medical Technologies: 1 patents #4 of 24Top 20%
Carlsbad, CA: #147 of 2,500 inventorsTop 6%
California: #15,031 of 386,348 inventorsTop 4%
Overall (All Time): #104,368 of 4,157,543Top 3%
33 Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
5810776 Method and apparatus for performing laparoscopy Steven Bacich, Hien Nguyen, Tuoc Nguyen 1998-09-22
5772628 Surgical access device and method of constructing same Steven Bacich, Hien Nguyen, Tuoc Nguyen 1998-06-30
5749889 Method and apparatus for performing biopsy Steven Bacich, Hien Nguyen, Tuoc Nguyen 1998-05-12
5746692 Catheter and endoscope system with distal protruding ball tip and method Steven Bacich, Tuoc Nguyen 1998-05-05
5662585 Endoscope with protruding member and method of utilizing the same Allan F. Willis, Richard L. Quick, Hien Nguyen, Tuoc Nguyen 1997-09-02
5505686 Endoscope with protruding member and method of utilizing the same Allan F. Willis, Richard L. Quick, Hien Van Nguyen, Tuoc Nguyen 1996-04-09
5346498 Controller for manipulation of instruments within a catheter Fred R. Tietge 1994-09-13
5336183 Inflator Richard L. Quick, Gary Woker 1994-08-09