Growing community of inventors

Sunnyvale, CA, United States of America

Robert Crofford

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 = 17

Robert CroffordHarry Rodriguez (1 patent)Robert CroffordRamon C W Chea, Jr (1 patent)Robert CroffordP Kingston Duffie (1 patent)Robert CroffordRobert Crofford (1 patent)Harry RodriguezHarry Rodriguez (68 patents)Ramon C W Chea, JrRamon C W Chea, Jr (15 patents)P Kingston DuffieP Kingston Duffie (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Turnstone Systems, Inc. (1 from 21 patents)


1 patent:

1. 6671149 - Systems and methods for protecting vulnerable micro electro-mechanical system (MEMS) and electronic relay devices

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12/13/2025
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