Tochigi, Japan

Kozaburo Hayashi

This inventor holds 10 USPTO granted patents. Top assignees: Sony Chemicals Corporation, Sony Chemical & Information Device Corporation, Sony Corporation. Active years: 2000-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kozaburo Hayashi. Retrieved from https://idiyas.com/inventor/kozaburo-hayashi

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


% Patents Active = 90.0

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 68(Granted Patents)


Location History:

  • Kanuma, JP (2001 - 2010)
  • Tochigi, JP (2000 - 2012)

Company Filing History:


Years Active: 2000-2012

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10 patents (USPTO):Explore Patents

Title: Kozaburo Hayashi: Innovator in Photocurable Resin Technologies

Introduction

Kozaburo Hayashi is a prominent inventor based in Tochigi, Japan. With a remarkable portfolio of 10 patents under his name, he has made significant contributions to the field of materials science, particularly in the development of advanced resin compositions for protective films.

Latest Patents

Hayashi's latest patents focus on solvent-free photocurable resin compositions aimed at providing a highly transparent and durable protective film for optical discs and similar applications. His innovative solvent-free photocurable resin composition combines a urethane(meth)acrylate oligomer, a trifunctional (meth)acrylic acid ester monomer, a photopolymerization initiator, and a dilution monomer. The dilution monomer includes a fluorine-based (meth)acrylic acid ester monomer and a monofunctional or difunctional (meth)acrylic acid ester monomer, ensuring a robust and effective protective layer. Additionally, his compositions for protective films utilize inorganic microparticles dispersed in an acrylic radical-based binder resin, which incorporates various components to enhance scratch resistance.

Career Highlights

Throughout his career, Kozaburo Hayashi has worked with notable companies such as Sony Chemicals Corporation and Sony Chemical & Information Device Corporation. His experience in these prestigious organizations has played a crucial role in advancing his research and innovations in resin technologies.

Collaborations

Hayashi has collaborated with talented individuals including Hiraku Kominami and Kazuki Shibata. These partnerships have contributed to the development of new materials and processes, furthering the impact of his work in the field.

Conclusion

Kozaburo Hayashi's contributions to the field of photocurable resin technologies underscore his status as an influential inventor. His innovative patents provide significant advancements in the protection of optical devices, showcasing his dedication to the evolution of materials science. As he continues to propel his research forward, the implications of his work are sure to resonate within the industry for years to come.

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]
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