Keizo Anan

Title: Keizo Anan: Innovator in Optical Technology

Introduction

Keizo Anan is a notable inventor based in Tsukuba, Japan. He has made significant contributions to the field of optical technology, particularly in the development of advanced contact lenses and transparent optical articles. With a total of 3 patents to his name, Anan's work reflects a commitment to innovation and quality in optical materials.

Latest Patents

One of Anan's latest patents involves a unique contact lens. This contact lens contains a copolymer obtained by copolymerizing, as an indispensable feed monomer, 2 to 95 wt. % of a carboxylic acid ester monomer and 98 to 5 wt. % of a copolymerizable monomer. The carboxylic acid ester monomer is represented by a specific formula, wherein R1 stands for various groups, including hydrogen atoms and alkyl groups. Another significant patent is for a transparent optical article, which is constituted of an optical resin. This optical resin is obtained by polymerizing a feed monomer containing at least a diester of unsaturated dicarboxylic acid selected from itaconic acid, citraconic acid, and mesaconic acid.

Career Highlights

Throughout his career, Anan has worked with prominent companies such as Nippon Oil Fats Co., Ltd. and Seiko Epson Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in optical technology.

Collaborations

Anan has collaborated with notable coworkers, including Naoyuki Amaya and Yoshishige Murata. These partnerships have fostered a creative environment that has led to the development of innovative optical solutions.

Conclusion

Keizo Anan's contributions to the field of optical technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in contact lenses and optical materials.