Growing community of inventors

St. Louis, MO, United States of America

Robert F Hammer

Average Co-Inventor Count = 5.00

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 = 34

Robert F Hammer ↔ Charles S Oldani (2 patents)Robert F Hammer ↔ Robert Catone (2 patents)Robert F Hammer ↔ Robert Kloepple (2 patents)Robert F Hammer ↔ Timothy A Stout (2 patents)Robert F HammerRobert F Hammer (2 patents)Charles S OldaniCharles S Oldani (7 patents)Robert CatoneRobert Catone (3 patents)Robert KloeppleRobert Kloepple (3 patents)Timothy A StoutTimothy A Stout (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koninklijke Philips Corporation N.v. (2 from 21,402 patents)


2 patents:

1. 8414155 - LED luminaire

2. 8376582 - LED luminaire

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as of
1/2/2026
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