Growing community of inventors

Oakland, CA, United States of America

Heikki I Helava

Average Co-Inventor Count = 7.00

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 = 20

Heikki I Helava ↔ Charles H Stallings (1 patent)Heikki I Helava ↔ Ian S Roth (1 patent)Heikki I Helava ↔ Frederick K Childers (1 patent)Heikki I Helava ↔ Richard L Schneider (1 patent)Heikki I Helava ↔ Stephen M Matthews (1 patent)Heikki I Helava ↔ Ray M Stringfield, Jr (1 patent)Heikki I HelavaHeikki I Helava (1 patent)Charles H StallingsCharles H Stallings (2 patents)Ian S RothIan S Roth (1 patent)Frederick K ChildersFrederick K Childers (1 patent)Richard L SchneiderRichard L Schneider (1 patent)Stephen M MatthewsStephen M Matthews (1 patent)Ray M Stringfield, JrRay M Stringfield, Jr (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Physics International Company (1 from 17 patents)


1 patent:

1. 4494043 - Imploding plasma device

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as of
12/12/2025
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