Growing community of inventors

Shanghai, China

Jingchun Qian

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 = 0

Jingchun QianFrank Richter (1 patent)Jingchun QianMartin Brahm (1 patent)Jingchun QianDieter Mager (1 patent)Jingchun QianJingchun Qian (1 patent)Frank RichterFrank Richter (47 patents)Martin BrahmMartin Brahm (32 patents)Dieter MagerDieter Mager (29 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Covestro Intellectual Property Gmbh & Co. Kg (1 from 97 patents)

2. Covestro Deutschland Ag (648 patents)


1 patent:

1. 11548969 - Process for the preparation of polyisocyanates with dimer, trimer and/or allophanate and optionally urethane structure

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/5/2026
Loading…