Company Filing History:
Years Active: 2000-2003
Title: Norihisa Yamaguchi: Innovator in Silica Glass Technology
Introduction
Norihisa Yamaguchi is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of optical materials, particularly in the development of silica glass technologies. With a total of 2 patents to his name, Yamaguchi's work has had a notable impact on the industry.
Latest Patents
Yamaguchi's latest patents include an "Optical member made of silica glass, method for manufacturing silica glass, and reduction projection exposure apparatus using the optical member." This invention focuses on an optical member made of silica glass manufactured by a direct method, where a material gas comprising an organosilicon compound reacts in an oxidizing flame. The optical member has a concentration of formyl radical generated by X-ray irradiation, with a dose between 0.01 Mrad and 1 Mrad. Another significant patent is the "Synthetic silica glass manufacturing apparatus," which provides a system for synthesizing a silica glass ingot. This apparatus includes a rotatable target plate and a furnace designed for the reaction of material gas with combustion gas to synthesize the silica glass ingot.
Career Highlights
Norihisa Yamaguchi is currently associated with Nikon Corporation, a leading company in the optical and imaging technology sector. His work at Nikon has allowed him to explore innovative solutions in silica glass manufacturing, contributing to advancements in optical technologies.
Collaborations
Yamaguchi has collaborated with notable colleagues, including Hiroki Jinbo and Norio Komine. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Norihisa Yamaguchi's contributions to silica glass technology exemplify the spirit of innovation in the field of optics. His patents reflect a commitment to advancing manufacturing techniques and enhancing optical materials.