Growing community of inventors

Palisades Park, NJ, United States of America

Yia-Ching Ray

Average Co-Inventor Count = 3.20

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 = 73

Yia-Ching Ray ↔ Harry J Spinelli (1 patent)Yia-Ching Ray ↔ Robert P Held (1 patent)Yia-Ching Ray ↔ Stuart N Milligan (1 patent)Yia-Ching Ray ↔ Dhiren V Patel (1 patent)Yia-Ching Ray ↔ An-Gong Yeh (1 patent)Yia-Ching Ray ↔ James Lewis Hohman, Jr (1 patent)Yia-Ching Ray ↔ Michael J Eiseman (1 patent)Yia-Ching Ray ↔ Sandra L Witman (1 patent)Yia-Ching Ray ↔ Robert Paul Held (1 patent)Yia-Ching Ray ↔ James L Hohman (1 patent)Yia-Ching Ray ↔ Harry Joseph Spinelli (1 patent)Yia-Ching RayYia-Ching Ray (2 patents)Harry J SpinelliHarry J Spinelli (40 patents)Robert P HeldRobert P Held (39 patents)Stuart N MilliganStuart N Milligan (31 patents)Dhiren V PatelDhiren V Patel (7 patents)An-Gong YehAn-Gong Yeh (6 patents)James Lewis Hohman, JrJames Lewis Hohman, Jr (4 patents)Michael J EisemanMichael J Eiseman (3 patents)Sandra L WitmanSandra L Witman (2 patents)Robert Paul HeldRobert Paul Held (1 patent)James L HohmanJames L Hohman (1 patent)Harry Joseph SpinelliHarry Joseph Spinelli (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. E.i. Dupont De Nemours and Company (2 from 16,338 patents)


2 patents:

1. 6852156 - Self-dispersing pigment and process of making and use of same

2. 5218034 - Polyimide film with tin or tin salt incorporation resulting in improved

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as of
1/19/2026
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