Growing community of inventors

Arnhem, Netherlands

Chi K Sham

Average Co-Inventor Count = 2.90

ph-index = 3

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 = 30

Chi K ShamJohannes Tijssen (1 patent)Chi K ShamPeter Flippo (1 patent)Chi K ShamAugustinus E H De Keijzer (1 patent)Chi K ShamMartin A Doherty (1 patent)Chi K ShamWilhelmus T Jansen (1 patent)Chi K ShamRicherdus J M Hulskotte (1 patent)Chi K ShamFrederik J Rietmeijer (1 patent)Chi K ShamChi K Sham (3 patents)Johannes TijssenJohannes Tijssen (5 patents)Peter FlippoPeter Flippo (1 patent)Augustinus E H De KeijzerAugustinus E H De Keijzer (1 patent)Martin A DohertyMartin A Doherty (1 patent)Wilhelmus T JansenWilhelmus T Jansen (1 patent)Richerdus J M HulskotteRicherdus J M Hulskotte (1 patent)Frederik J RietmeijerFrederik J Rietmeijer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dsm N.v. (3 from 475 patents)


3 patents:

1. 6342548 - Flame retardant polyamide composition

2. 5270401 - Plastics composition based on a thermoplastic blend of a polyamide and a

3. 5256719 - Flame retardant plastics composition based on a polyamide, a polyolefin,

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as of
12/18/2025
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