Growing community of inventors

Buffalo Grove, IL, United States of America

Randal H Chen

Average Co-Inventor Count = 5.83

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 = 1

Randal H Chen ↔ James B McAlpine (2 patents)Randal H Chen ↔ Marianna Jackson (2 patents)Randal H Chen ↔ James P Karwowski (2 patents)Randal H Chen ↔ Robert J Theriault (2 patents)Randal H Chen ↔ Jill E Hochlowski (1 patent)Randal H Chen ↔ Mark H Buytendorp (1 patent)Randal H ChenRandal H Chen (2 patents)James B McAlpineJames B McAlpine (35 patents)Marianna JacksonMarianna Jackson (10 patents)James P KarwowskiJames P Karwowski (6 patents)Robert J TheriaultRobert J Theriault (3 patents)Jill E HochlowskiJill E Hochlowski (11 patents)Mark H BuytendorpMark H Buytendorp (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Abbott Laboratories Corporation (2 from 4,179 patents)


2 patents:

1. 5192748 - Antibiotics unphenelfamycin and phenelfamycins A-D

2. 5171740 - Coumamidine compounds

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1/10/2026
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