Growing community of inventors

Maple Grove, MN, United States of America

Samuel Thomas Johnson

Average Co-Inventor Count = 3.00

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 28

Samuel Thomas Johnson ↔ Ramji Iyer (4 patents)Samuel Thomas Johnson ↔ Stephen Anderson (4 patents)Samuel Thomas Johnson ↔ William Morris Leonard Neethling (1 patent)Samuel Thomas Johnson ↔ David Lawrence St Denis (1 patent)Samuel Thomas JohnsonSamuel Thomas Johnson (4 patents)Ramji IyerRamji Iyer (32 patents)Stephen AndersonStephen Anderson (7 patents)William Morris Leonard NeethlingWilliam Morris Leonard Neethling (3 patents)David Lawrence St DenisDavid Lawrence St Denis (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Laplace Interventional Inc. (4 from 21 patents)


4 patents:

1. 12279951 - Transcatheter heart valve prosthesis assembled inside heart chambers or blood vessels

2. 11701223 - Transcatheter heart valve prosthesis assembled inside heart chambers or blood vessels

3. 11337801 - Transcatheter heart valve prosthesis assembled inside heart chambers or blood vessels

4. 11109965 - Transcatheter heart valve prosthesis assembled inside heart chambers or blood vessels

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as of
12/26/2025
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