Growing community of inventors

Burlingame, CA, United States of America

Spencer Fisk

Average Co-Inventor Count = 4.00

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

Spencer Fisk ↔ Dieter Werthemann (1 patent)Spencer Fisk ↔ Alfred L Gaertner (1 patent)Spencer Fisk ↔ Beat Freiermuth (1 patent)Spencer FiskSpencer Fisk (1 patent)Dieter WerthemannDieter Werthemann (7 patents)Alfred L GaertnerAlfred L Gaertner (5 patents)Beat FreiermuthBeat Freiermuth (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ciba-geigy Corporation (1 from 6,858 patents)

2. Genencor International, Inc. (1 from 422 patents)


1 patent:

1. 5496707 - Assay method for hemicellulases using a colored substrate

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1/3/2026
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