Kiyohisa Tokuda

Title: Kiyohisa Tokuda: Innovator in Ultraviolet-Curable Resin Technology

Introduction

Kiyohisa Tokuda is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of ultraviolet-curable resin compositions, holding a total of 7 patents. His work has been instrumental in advancing technologies used in multilayer optical discs.

Latest Patents

Tokuda's latest patents include an innovative ultraviolet-curable resin composition designed for multilayer optical discs. This composition features (A) dioxane glycol di(meth)acrylate and/or tricyclodecane dimethylol di(meth)acrylate, along with (B) a photopolymerization initiator. Another notable patent is a resin composition for optical disks and its cured product, which contains a polyurethane compound (A), a photopolymerization initiator (B), and an ethylenically unsaturated compound (C) other than the compound (A). The polyurethane compound (A) is synthesized by reacting an epoxycarboxylate compound (c) with a diisocyanate compound (d).

Career Highlights

Kiyohisa Tokuda is currently employed at Nippon Kayaku Kabushiki Kaisha, where he continues to innovate in the field of resin technology. His expertise has led to advancements that benefit various applications in optical technology.

Collaborations

Throughout his career, Tokuda has collaborated with notable colleagues, including Kazuhiko Ishii and Go Mizutani. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Kiyohisa Tokuda's contributions to ultraviolet-curable resin technology have established him as a key figure in the field. His patents reflect a commitment to innovation and excellence in optical technology.