Growing community of inventors

Honolulu, HI, United States of America

John P Spencer

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 = 0

John P SpencerJames R Heitz (1 patent)John P SpencerRoy T Cunningham (1 patent)John P SpencerNicanor J Liquido (1 patent)John P SpencerJohn P Spencer (1 patent)James R HeitzJames R Heitz (7 patents)Roy T CunninghamRoy T Cunningham (7 patents)Nicanor J LiquidoNicanor J Liquido (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Photodye International, Inc. (1 from 2 patents)


1 patent:

1. 5728394 - Pesticide composition and method for controlling the oriental fruit fly

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as of
12/20/2025
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