Growing community of inventors

Portage, MI, United States of America

Changquan Sun

Average Co-Inventor Count = 1.67

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 = 10

Changquan Sun ↔ Michael John Hawley (1 patent)Changquan Sun ↔ Todd P Foster (1 patent)Changquan Sun ↔ Tom Thamann (1 patent)Changquan Sun ↔ Fusen Han (1 patent)Changquan SunChangquan Sun (2 patents)Michael John HawleyMichael John Hawley (11 patents)Todd P FosterTodd P Foster (8 patents)Tom ThamannTom Thamann (1 patent)Fusen HanFusen Han (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pharmacia & Upjohn Company (2 from 523 patents)


2 patents:

1. 7652149 - Crystalline pyrazoles

2. 7452913 - Polymorphs of pyrrole substituted 2-indolinone protein kinase inhibitors

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12/16/2025
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