Shigeharu Onozuka

Title: Shigeharu Onozuka: Innovator in Contact Lens Technology

Introduction

Shigeharu Onozuka is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of optical materials, particularly in the development of contact lens technology. His innovative work has led to the creation of materials that enhance the performance and comfort of contact lenses.

Latest Patents

Onozuka holds a patent for an oxygen-permeable hard contact lens material with excellent impact resistance. This invention involves a copolymer composed mainly of at least one monomer component selected from fluorine-containing (meth)acrylates and silicone-containing (meth)acrylates, along with a siloxane oligomer that has a polymerizable functional group at the molecular terminals. This unique combination makes the material particularly useful for hard contact lenses, providing both oxygen permeability and durability.

Career Highlights

Shigeharu Onozuka is associated with Hoya Corporation, a leading company in optical products. His work at Hoya has allowed him to focus on advancing contact lens technology, contributing to the company's reputation for innovation in the optical industry. His patent reflects his commitment to improving the quality of life for contact lens users.

Collaborations

Onozuka has collaborated with notable colleagues such as Yuuichi Yokoyama and Makoto Tsuchiya. These partnerships have fostered a creative environment that encourages the development of cutting-edge optical materials.

Conclusion

Shigeharu Onozuka's contributions to contact lens technology exemplify the impact of innovation in the optical field. His patented work on oxygen-permeable materials showcases his dedication to enhancing user experience and safety in contact lens wear.