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Palo Alto, CA, United States of America

William Landgraf

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 = 17

William Landgraf ↔ Scot Randy Weinberger (1 patent)William Landgraf ↔ Jody E Beecher (1 patent)William Landgraf ↔ Kamen Voivodov (1 patent)William Landgraf ↔ Frank Scheufele (1 patent)William LandgrafWilliam Landgraf (1 patent)Scot Randy WeinbergerScot Randy Weinberger (27 patents)Jody E BeecherJody E Beecher (9 patents)Kamen VoivodovKamen Voivodov (4 patents)Frank ScheufeleFrank Scheufele (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ciphergen Biosystems, Inc. (1 from 35 patents)


1 patent:

1. 6555813 - Probes with hydrophobic coatings for gas phase ion spectrometers

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12/7/2025
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