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Gilbertsville, PA, United States of America

Karl A Romberger

Average Co-Inventor Count = 4.44

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 = 17

Karl A Romberger ↔ Edwin J Bielecki (2 patents)Karl A Romberger ↔ Bart F Bakke (1 patent)Karl A Romberger ↔ Brian J Higgins (1 patent)Karl A Romberger ↔ Charles R Clark (1 patent)Karl A Romberger ↔ Roger M Bergman (1 patent)Karl A Romberger ↔ Martin A Hobin (1 patent)Karl A RombergerKarl A Romberger (2 patents)Edwin J BieleckiEdwin J Bielecki (4 patents)Bart F BakkeBart F Bakke (10 patents)Brian J HigginsBrian J Higgins (4 patents)Charles R ClarkCharles R Clark (3 patents)Roger M BergmanRoger M Bergman (3 patents)Martin A HobinMartin A Hobin (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)

2. Cabot Corporation (1 from 838 patents)


2 patents:

1. 5023059 - Recovery of metal values and hydrofluoric acid from tantalum and

2. 4663130 - Process for dissolving tantalum/columbium materials containing alkali

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as of
12/19/2025
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