Growing community of inventors

Staten Island, NY, United States of America

Michael P O'Callaghan, Deceased

Average Co-Inventor Count = 6.00

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 = 6

Michael P O'Callaghan, Deceased ↔ Klaus Hahn (1 patent)Michael P O'Callaghan, Deceased ↔ Uwe Guhr (1 patent)Michael P O'Callaghan, Deceased ↔ Hans Hintz (1 patent)Michael P O'Callaghan, Deceased ↔ Michael Riethues (1 patent)Michael P O'Callaghan, Deceased ↔ Dietmar Wittenberg (1 patent)Michael P O'Callaghan, DeceasedMichael P O'Callaghan, Deceased (1 patent)Klaus HahnKlaus Hahn (105 patents)Uwe GuhrUwe Guhr (19 patents)Hans HintzHans Hintz (18 patents)Michael RiethuesMichael Riethues (6 patents)Dietmar WittenbergDietmar Wittenberg (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Basf Aktiengesellschaft (1 from 10,754 patents)


1 patent:

1. 5096931 - Expandable styrene polymers

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1/10/2026
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