Growing community of inventors

Dunlap, IL, United States of America

Steven Yap

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 = 2

Steven Yap ↔ George G Codina (1 patent)Steven Yap ↔ Lonnie D Atteberry (1 patent)Steven Yap ↔ Donald R Krull (1 patent)Steven YapSteven Yap (1 patent)George G CodinaGeorge G Codina (27 patents)Lonnie D AtteberryLonnie D Atteberry (2 patents)Donald R KrullDonald R Krull (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Inc. (1 from 9,463 patents)


1 patent:

1. 6194819 - Spark plug with lower operating temperature

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as of
12/29/2025
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