Growing community of inventors

Collegeville, PA, United States of America

Juan F Callejas

Average Co-Inventor Count = 5.33

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

Juan F CallejasJames Charles Bohling (1 patent)Juan F CallejasAntony Keith Van Dyk (1 patent)Juan F CallejasAlexander S Katz (1 patent)Juan F CallejasDavid Gordon Barton (1 patent)Juan F CallejasMark D Westmeyer (1 patent)Juan F CallejasJeffrey Joseph Sobczak (1 patent)Juan F CallejasMelinda L Einsla (1 patent)Juan F CallejasManish Mishra (1 patent)Juan F CallejasClayton J Radke (1 patent)Juan F CallejasAmrita Chakravarty (1 patent)Juan F CallejasJuan F Callejas (2 patents)James Charles BohlingJames Charles Bohling (83 patents)Antony Keith Van DykAntony Keith Van Dyk (39 patents)Alexander S KatzAlexander S Katz (26 patents)David Gordon BartonDavid Gordon Barton (18 patents)Mark D WestmeyerMark D Westmeyer (17 patents)Jeffrey Joseph SobczakJeffrey Joseph Sobczak (10 patents)Melinda L EinslaMelinda L Einsla (10 patents)Manish MishraManish Mishra (4 patents)Clayton J RadkeClayton J Radke (4 patents)Amrita ChakravartyAmrita Chakravarty (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Rohm and Haas Company (2 from 3,388 patents)

2. University of California (1 from 15,458 patents)

3. Dow Global Technolgoies LLC (1 from 4,629 patents)


2 patents:

1. 12344757 - Method for preparing coating composition with improved color retention

2. 12297358 - Hydrophobically modified pigment composition

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as of
12/6/2025
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