Growing community of inventors

Riverside, IL, United States of America

Michael J Hejna

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 52

Michael J HejnaKoichi Masuda (2 patents)Michael J HejnaBrian E Pfister (1 patent)Michael J HejnaEugene J-m A Thomar (1 patent)Michael J HejnaMichael J Hejna (2 patents)Koichi MasudaKoichi Masuda (8 patents)Brian E PfisterBrian E Pfister (1 patent)Eugene J-m A ThomarEugene J-m A Thomar (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rush University Medical Center (1 from 113 patents)

2. Rush-Presbyterian-St. Luke's Medical Center (1 from 40 patents)

3. Articular Engineering, LLC (1 from 1 patent)


2 patents:

1. 7931687 - Tissue engineered osteochondral implant

2. 6451060 - Cartilage matrix and in vitro production of transplantable cartilage tissue

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as of
1/10/2026
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