This inventor holds 24 USPTO granted patents and 13 published patent applications, primarily in Optical Film Adhesives. Top assignee: Nitto-Denko Corporation. Active years: 1994-2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Osaka, JP (1994 - 2015)
- Ibaraki, JP (2005 - 2021)
Company Filing History:
Years Active: 1994-2021
Areas of Expertise:
Title: Innovations of Toshitsugu Hosokawa in Optical Film Technology
Introduction
Toshitsugu Hosokawa, a distinguished inventor based in Ibaraki, Japan, has made significant contributions to the field of optical film technology. With a prolific portfolio of 24 patents, he has established himself as an important figure in the development of advanced materials for display devices.
Latest Patents
Among Hosokawa's latest patents are several key inventions that enhance optical film performance. His work includes a pressure-sensitive adhesive composition specifically designed for optical films, which incorporates a (meth)acryl-based polymer. This polymer is derived from a monomer component that prominently features an alkyl (meth)acrylate with a carbon chain of 4 to 18 atoms, alongside a phosphate ester compound. The resulting adhesive composition is adept at forming a pressure-sensitive adhesive layer which is crucial for maintaining the integrity of optical films under various environmental conditions.
Additionally, he has developed a pressure-sensitive adhesive layer-attached optical film and a liquid crystal display device that utilizes these advanced adhesive materials. His aqueous dispersion-type adhesive composition, featuring emulsion particles with a core-shell structure, consists of two distinct (meth)acryl-based copolymers with varying glass transition temperatures. This innovative approach not only helps in maintaining high transparency and performance but also suppresses increases in surface resistance of transparent conductive layers in challenging conditions.
Career Highlights
Hosokawa’s career at Nitto Denko Corporation has been marked by his relentless pursuit of innovation. His patents reflect a deep understanding of materials science, particularly in developing adhesives that perform well under hot and humid conditions, ensuring reliability and efficacy in optical applications.
Collaborations
Throughout his career, Toshitsugu Hosokawa has collaborated with notable professionals, including his coworkers Shinichi Inoue and Masayuki Satake. Their combined expertise in research and development has led to groundbreaking advancements in adhesive technologies, further cementing Nitto Denko Corporation’s reputation in the field.
Conclusion
In conclusion, Toshitsugu Hosokawa exemplifies the spirit of innovation through his numerous patents and contributions to optical film technology. His latest inventions not only enhance the functionality of display devices but also showcase the potential of advanced adhesive compositions in improving product performance. As the industry continues to evolve, Hosokawa's work will undoubtedly play a pivotal role in shaping the future of optical applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile