This inventor holds 20 USPTO granted patents and 4 EPO patents, primarily in Epoxy Resin Technology. Top assignees: Dic Corporation, Chugai Seiyaku Kabushiki Kaisha, Research Association for Biotechnology. Active years: 2005-2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Osaka, JP (2005 - 2012)
- Chiba, JP (2006 - 2018)
- Ichihara, JP (2013 - 2024)
Company Filing History:


Years Active: 2005-2024
Areas of Expertise:
Title: **Koji Hayashi: Innovator in Resin Technology**
Introduction
Koji Hayashi, an accomplished inventor residing in Ichihara, Japan, has made significant contributions to the field of resin technology. With a remarkable portfolio of 20 patents, he is known for his innovative approaches that enhance the performance of various materials.
Latest Patents
His latest inventions include a monofunctional phenolic compound and its corresponding active ester resin, which are designed to produce cured products with excellent dielectric properties and heat resistance. Additionally, he has developed a thermosetting resin composition along with a cured product derived from the same. This invention provides robust solutions with impressive heat resistance and dielectric characteristics, suitable for applications like printed wiring boards, semiconductor sealing materials, and build-up films. Specifically, the monofunctional phenolic compound features vinylbenzyl groups that enhance its functionality, indicating a forward-thinking approach to material science.
Career Highlights
Throughout his career, Koji Hayashi has worked with prominent companies, including Dic Corporation and Chugai Seiyaku Kabushiki Kaisha. His tenure at these firms highlights his influence in advancing resin technology and his commitment to delivering high-performance materials.
Collaborations
Hayashi has collaborated with notable colleagues such as Yutaka Satou and Kunihiro Morinaga. Their teamwork has undoubtedly contributed to the innovation and development of impressive new materials and technologies in their respective fields.
Conclusion
In summary, Koji Hayashi stands out as an influential inventor whose work with resin technology continues to impact various industries. His innovations, particularly in developing advanced compounds and compositions, demonstrate his dedication to enhancing material performance and addressing modern engineering challenges.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile