logo

For the Inventor, By the Inventor

Bergen op Zoom, Netherlands

Wilhelmus J Hamersma

This inventor holds 8 USPTO granted patents. Top assignee: General Electric Company. Active years: 1990-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wilhelmus J Hamersma. Retrieved from https://idiyas.com/inventor/wilhelmus-j-hamersma

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 25(Granted Patents)


Location History:

  • Bergen op Zoom, NL (1990 - 1994)
  • HE Bergen op Zoom, NL (1994)

Company Filing History:

goldMedal8 out of 52,404 
 
General Electric Company
 patents

Years Active: 1990-1994

Loading Chart...
8 patents (USPTO):Explore Patents
1. 5354620 - Polymer mixture based on a polyalkylenephthalate ester (1994-10-11),
2. 5318854 - Polymer mixture based on a polybutylene terephthalate ester and a S-MA (1994-06-07),
3. 5159015 - Polymer mixture comprising polyphenylene ether, polyester, and styrene (1992-10-27),
4. 5147920 - Polymer mixture comprising polyester, glass fibres, flame-retardant and (1992-09-15),
5. 5025055 - Polymer mixture comprising aromatic polycarbonate and two agents to (1991-06-18),
6. 5011889 - Polymer, mixture comprising polyphenylene ether, polyester, and styrene (1991-04-30),
7. 4942188 - Polymer mixture comprising polybutylene terephthalate, aromatic (1990-07-17),
8. 4935309 - Multilayer structure (1990-06-19),

Title: Wilhelmus J Hamersma: Innovator in Polymer Technology

Introduction

Wilhelmus J Hamersma is a notable inventor based in Bergen op Zoom, Netherlands. He has made significant contributions to the field of polymer technology, holding a total of 8 patents. His work focuses on developing innovative polymer mixtures that enhance bonding and manufacturing processes.

Latest Patents

Hamersma's latest patents include a polymer mixture based on a polyalkylenephthalate ester. This invention relates to polymer mixtures that comprise a polyalkylenephthalate ester and a cyclic imino ether functionalized polystyrene. The layers manufactured from these mixtures exhibit excellent bonding properties to layers of polystyrene. Another significant patent involves a polymer mixture based on a polybutylene terephthalate ester and a rubber-modified styrene-maleic anhydride copolymer. This polymer mixture is suitable for producing films that can be easily bonded to polystyrene substrates.

Career Highlights

Hamersma is associated with General Electric Company, where he has contributed to various innovative projects. His expertise in polymer technology has positioned him as a key player in the development of advanced materials.

Collaborations

Some of his notable coworkers include Roger W Avakian and Christian M Bailly. Their collaborative efforts have furthered advancements in the field of polymer science.

Conclusion

Wilhelmus J Hamersma's contributions to polymer technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…