Growing community of inventors

US

Jr Karr Stephen L

Average Co-Inventor Count = 1.00

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 = 0

Jr Karr Stephen L ↔ Richard L Littenberg (1 patent)Jr Karr Stephen L ↔ Stephen Grimes (1 patent)Jr Karr Stephen LJr Karr Stephen L (0 patent)Richard L LittenbergRichard L Littenberg (1 patent)Stephen GrimesStephen Grimes (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Aphton Corporation (17 patents)

2. Philip C. Gevas (0 patent)

3. Stephen L., Jr. Karr (0 patent)

4. Stephen Grimes (0 patent)

5. Richard L. Littenberg (0 patent)


0 patent:

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1/5/2026
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