Company Filing History:
Years Active: 2003-2007
Title: Shigeyasu Nagai: Innovator in Photochromic Contact Lens Technology
Introduction
Shigeyasu Nagai is a notable inventor based in Kasugai, Japan. He has made significant contributions to the field of optical technology, particularly in the development of photochromic contact lenses. With a total of 2 patents to his name, Nagai's work has advanced the functionality and comfort of contact lenses for users.
Latest Patents
Nagai's latest patents include a groundbreaking photochromic contact lens that boasts excellent discoloring characteristics. This innovative lens is designed to transition from a colored state to an uncolored state more quickly, utilizing an oxygen-permeable polymer material with a second-order transition point not exceeding 110°C. The lens also features a dye that exhibits photochromism, enhancing its usability in varying light conditions. Another patent focuses on a contact lens that includes an optical zone with a circular shape, a peripheral zone surrounding it, and an intermediate zone that incorporates a convex portion for improved optical performance.
Career Highlights
Shigeyasu Nagai is currently employed at Menicon Co., Ltd., a leading company in the contact lens industry. His work at Menicon has allowed him to push the boundaries of contact lens technology, making significant strides in user comfort and lens performance.
Collaborations
Nagai has collaborated with notable colleagues such as Kazuya Miyamura and Keiji Sugimoto. Their combined expertise has contributed to the successful development of innovative optical products.
Conclusion
Shigeyasu Nagai's contributions to the field of photochromic contact lenses exemplify his commitment to innovation and improvement in optical technology. His patents reflect a deep understanding of material science and user needs, positioning him as a key figure in the industry.