Growing community of inventors

Reisterstown, MD, United States of America

John M Hejna

Average Co-Inventor Count = 5.00

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

John M Hejna ↔ William B Brasso (1 patent)John M Hejna ↔ Gertrude M Karr (1 patent)John M Hejna ↔ Patricia Hammond (1 patent)John M Hejna ↔ Denise R Holliday (1 patent)John M HejnaJohn M Hejna (1 patent)William B BrassoWilliam B Brasso (9 patents)Gertrude M KarrGertrude M Karr (1 patent)Patricia HammondPatricia Hammond (1 patent)Denise R HollidayDenise R Holliday (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Becton Dickinson and Company Limited (1 from 5,188 patents)


1 patent:

1. 5863751 - Addition of lactose or other sugars in correcting false susceptibility

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12/26/2025
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