Growing community of inventors

Naperville, IL, United States of America

David D Ngo

Average Co-Inventor Count = 1.36

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 = 57

David D NgoPaul J Cahill (2 patents)David D NgoJohn J Greczek (2 patents)David D NgoDavid D Ngo (5 patents)Paul J CahillPaul J Cahill (17 patents)John J GreczekJohn J Greczek (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Amoco Corporation (5 from 1,528 patents)


5 patents:

1. 5599655 - Photoimageable polyimide coating

2. 5532110 - Photoimageable polyimide coating

3. 5504830 - Photocurable polyimide coated glass fiber

4. 5501941 - Photoimageable polyimide coating

5. 5427862 - Photocurable polyimide coated glass fiber

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as of
12/6/2025
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