Growing community of inventors

Woodridge, IL, United States of America

Yigang Cal

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 = 6

Yigang Cal ↔ John R Hull (1 patent)Yigang Cal ↔ Thomas M Mulcahy (1 patent)Yigang Cal ↔ Donald M Rote (1 patent)Yigang Cal ↔ Howard T Coffey (1 patent)Yigang Cal ↔ Jianliang He (1 patent)Yigang Cal ↔ Zian Wang (1 patent)Yigang CalYigang Cal (1 patent)John R HullJohn R Hull (27 patents)Thomas M MulcahyThomas M Mulcahy (5 patents)Donald M RoteDonald M Rote (5 patents)Howard T CoffeyHoward T Coffey (4 patents)Jianliang HeJianliang He (4 patents)Zian WangZian Wang (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 5586504 - Dual-keel electrodynamic maglev system

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as of
12/20/2025
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