Hiroyuki Tohda

Title: Hiroyuki Tohda: Innovator in Heat-Resistant Photosensitive Resin Composition

Introduction

Hiroyuki Tohda is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of materials science, particularly in the development of photosensitive resin compositions. His innovative work has led to the creation of a unique heat-resistant resin that has various applications in the industry.

Latest Patents

Hiroyuki Tohda holds a patent for a heat-resistant photosensitive resin composition. This composition includes a ternary copolymer of an ethylenically unsaturated amide, a carboxyl-containing monomer, and a third monomer. Additionally, it features an esterified resin created from the reaction of an unsaturated carboxylic acid and a novolactype epoxy resin. The composition also contains a photopolymerizable monomer, a photopolymerization initiator, and a finely divided silica filler. The resist layer formed from this composition can be developed with an alkaline aqueous solution and exhibits excellent heat resistance, making it suitable for various applications.

Career Highlights

Hiroyuki Tohda is associated with Tokyo Ohka Kogyo Co., Ltd., where he has been instrumental in advancing the company's research and development efforts. His expertise in photosensitive materials has positioned him as a key figure in the industry.

Collaborations

Hiroyuki has collaborated with notable colleagues, including Kenji Tazawa and Akira Iwata. Their combined efforts have contributed to the success of various projects within their organization.

Conclusion

Hiroyuki Tohda's innovative work in heat-resistant photosensitive resin compositions showcases his significant impact on materials science. His contributions continue to influence the industry and pave the way for future advancements.