Growing community of inventors

Concord, CA, United States of America

Shadrach Joseph Roundy

Average Co-Inventor Count = 3.33

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 = 6

Shadrach Joseph RoundyEri Takahashi (3 patents)Shadrach Joseph RoundyStewart R Carl (2 patents)Shadrach Joseph RoundyJeffry Tola (2 patents)Shadrach Joseph RoundyBrian L Bircumshaw (2 patents)Shadrach Joseph RoundyShadrach Joseph Roundy (3 patents)Eri TakahashiEri Takahashi (3 patents)Stewart R CarlStewart R Carl (38 patents)Jeffry TolaJeffry Tola (6 patents)Brian L BircumshawBrian L Bircumshaw (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ecoharvester, Inc. (3 from 3 patents)


3 patents:

1. 9048717 - Multipolar electromagnetic generator

2. 8665042 - Wireless switch with multipolar electromagnetic generator

3. 8324998 - Wireless switch with multipolar electromagnetic generator

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as of
1/7/2026
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