Growing community of inventors

Bergen op Zoom, Netherlands

Wilhelmus J Hamersma

Average Co-Inventor Count = 2.82

ph-index = 4

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 = 25

Wilhelmus J HamersmaRoger W Avakian (5 patents)Wilhelmus J HamersmaChristian M Bailly (2 patents)Wilhelmus J HamersmaGerrit De Wit (1 patent)Wilhelmus J HamersmaTorben Paul Kempers (1 patent)Wilhelmus J HamersmaJan De Boer (1 patent)Wilhelmus J HamersmaFarshid M Tabankia (1 patent)Wilhelmus J HamersmaWilhelmus M Roovers (1 patent)Wilhelmus J HamersmaWilhemus M Roovers (1 patent)Wilhelmus J HamersmaVladimir Kwiecinski (1 patent)Wilhelmus J HamersmaTheodorus A Dekkers (1 patent)Wilhelmus J HamersmaMichael Krieg (1 patent)Wilhelmus J HamersmaWilhelmus J Hamersma (8 patents)Roger W AvakianRoger W Avakian (33 patents)Christian M BaillyChristian M Bailly (9 patents)Gerrit De WitGerrit De Wit (19 patents)Torben Paul KempersTorben Paul Kempers (6 patents)Jan De BoerJan De Boer (6 patents)Farshid M TabankiaFarshid M Tabankia (4 patents)Wilhelmus M RooversWilhelmus M Roovers (4 patents)Wilhemus M RooversWilhemus M Roovers (2 patents)Vladimir KwiecinskiVladimir Kwiecinski (1 patent)Theodorus A DekkersTheodorus A Dekkers (1 patent)Michael KriegMichael Krieg (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. General Electric Company (8 from 51,920 patents)


8 patents:

1. 5354620 - Polymer mixture based on a polyalkylenephthalate ester

2. 5318854 - Polymer mixture based on a polybutylene terephthalate ester and a S-MA

3. 5159015 - Polymer mixture comprising polyphenylene ether, polyester, and styrene

4. 5147920 - Polymer mixture comprising polyester, glass fibres, flame-retardant and

5. 5025055 - Polymer mixture comprising aromatic polycarbonate and two agents to

6. 5011889 - Polymer, mixture comprising polyphenylene ether, polyester, and styrene

7. 4942188 - Polymer mixture comprising polybutylene terephthalate, aromatic

8. 4935309 - Multilayer structure

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as of
1/5/2026
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