Growing community of inventors

Wayland, MA, United States of America

Donald Johanson

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 457

Donald JohansonPaul Tamura (1 patent)Donald JohansonNicholas Samiotes (1 patent)Donald JohansonDonald Johanson (1 patent)Paul TamuraPaul Tamura (2 patents)Nicholas SamiotesNicholas Samiotes (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Baxter International Inc. (1 from 2,480 patents)


1 patent:

1. 5256157 - Automated infusion pump with replaceable memory cartridges

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as of
12/14/2025
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