Hiroshi Sugawa

Title: Hiroshi Sugawa: Innovator in Epoxy Optical Sheet Technology

Introduction

Hiroshi Sugawa is a prominent inventor based in Osaka, Japan, known for his significant contributions to the field of optical materials. With a total of seven patents to his name, Sugawa has made remarkable advancements in the production and application of epoxy optical sheets.

Latest Patents

One of Sugawa's latest patents is for an epoxy optical sheet and the process for producing the same. This innovative sheet comprises a hardened layer of epoxy resin and an additional resin layer on one side. It features a retardation of 5 nm or less, an average thickness of 500 µm or less, and a thickness accuracy of ±10% or less. The sheet also boasts a glass transition temperature of 170°C or above, along with a smooth surface. The production process involves a continuous method that includes forming a strippable resin layer on a smooth support, spreading an epoxy resin coating solution, and undergoing a hardening treatment. This efficient process results in a hardened sheet that adheres to the resin layer while being recovered from the support.

Career Highlights

Throughout his career, Hiroshi Sugawa has worked with notable companies, including Nitto Denko Corporation. His work has focused on enhancing the properties and production methods of optical materials, particularly in the realm of epoxy sheets.

Collaborations

Sugawa has collaborated with esteemed colleagues such as Toshiyuki Umehara and Kazuhiko Tahara, contributing to the advancement of technology in his field.

Conclusion

Hiroshi Sugawa's innovative work in epoxy optical sheets has positioned him as a key figure in materials science. His patents reflect a commitment to improving optical technology, showcasing his expertise and dedication to innovation.