Growing community of inventors

San Francisco, CA, United States of America

Charles A Ruhland

Average Co-Inventor Count = 2.00

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 = 57

Charles A RuhlandDerek Alexander Wollenstein (1 patent)Charles A RuhlandCharles A Ruhland (1 patent)Derek Alexander WollensteinDerek Alexander Wollenstein (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Lithium Technologies, Inc. (1 from 11 patents)


1 patent:

1. 9338186 - Systems and methods for implementing custom privacy settings

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12/8/2025
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