Location History:
- Akishima, JP (1988)
- Tachikawa, JP (1989)
Company Filing History:
Years Active: 1988-1989
Title: Minoru Tokida: Innovator in Fluoride Glass Technology
Introduction
Minoru Tokida is a notable inventor based in Akishima, Japan. He has made significant contributions to the field of glass technology, particularly in the development of fluoride glass. With a total of 2 patents, Tokida's work has implications for various optical applications.
Latest Patents
Tokida's latest patents include innovations in halide glass and fluoride glass. The halide glass patent describes a fluoride glass that contains a small amount of chlorine in addition to fluorine. This innovation offers advantages such as reduced crystallization compared to fluoride glass without chlorine, while maintaining chemical durability and mechanical strength. Additionally, the refractive index of this glass can be easily adjusted by varying the chlorine content. His fluoride glass patent outlines a composition that includes AlF.sub.3, ZrF.sub.4, and/or HfF.sub.4, along with compounds like CaF.sub.2, SrF.sub.2, and BaF.sub.2. This glass is characterized by minimal crystallization during production and exceptional chemical durability, making it suitable for low-loss optical fibers and infrared optical applications.
Career Highlights
Minoru Tokida is associated with Hoya Corporation, a leading company in optical products and glass technology. His work at Hoya has allowed him to focus on advancing glass materials that meet the demands of modern optical applications.
Collaborations
Tokida has collaborated with notable colleagues such as Toshiharu Yamashita and Kiyotaka Miura. Their combined expertise has contributed to the successful development of innovative glass technologies.
Conclusion
Minoru Tokida's contributions to fluoride glass technology highlight his role as an influential inventor in the field. His patents reflect a commitment to advancing optical materials, which have significant applications in various industries.