Growing community of inventors

Union City, CA, United States of America

Robert L Druce

Average Co-Inventor Count = 4.00

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 = 57

Robert L DruceTroy W Barbee, Jr (1 patent)Robert L DruceGeorge E Vogtlin (1 patent)Robert L DruceGary W Johnson (1 patent)Robert L DruceRonald S Lee (1 patent)Robert L DruceDennis W O'Brien (1 patent)Robert L DruceHugh C Kirbie (1 patent)Robert L DruceMark A Newton (1 patent)Robert L DruceRobert L Druce (2 patents)Troy W Barbee, JrTroy W Barbee, Jr (22 patents)George E VogtlinGeorge E Vogtlin (11 patents)Gary W JohnsonGary W Johnson (10 patents)Ronald S LeeRonald S Lee (8 patents)Dennis W O'BrienDennis W O'Brien (8 patents)Hugh C KirbieHugh C Kirbie (4 patents)Mark A NewtonMark A Newton (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. University of California (1 from 15,475 patents)

2. The United States of America As Represented by the United States (1 from 3,975 patents)


2 patents:

1. 5774348 - Light-weight DC to very high voltage DC converter

2. 5731538 - Method and system for making integrated solid-state fire-sets and

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as of
12/27/2025
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