Company Filing History:
1 out of 893 
1 out of 7 Years Active: 1996
Title: Yushiharu Funakoshi: Innovator in Quartz Glass Technology
Introduction
Yushiharu Funakoshi is a notable inventor from Yamagata, Japan, recognized for his contributions to the field of materials science, particularly in the development of high-purity, opaque quartz glass. His innovative work has led to advancements in various applications, showcasing the importance of his research in modern technology.
Latest Patents
Funakoshi holds a patent for a method of producing high-purity, opaque quartz glass. This unique material contains between 3×106 - 9×106 closed cells per cubic centimeter, with an average size of 20-40 micrometers. The glass exhibits a linear transmittance of 5% or less for near-infrared rays at a thickness of 1 mm. The production process involves compacting amorphous silica powder with a controlled average particle size and sintering the resultant green body at temperatures ranging from 1730°C to 1850°C.
Career Highlights
Throughout his career, Yushiharu Funakoshi has worked with prominent companies in the industry, including Tosoh Corporation and Nippon Silica Glass Co., Ltd. His expertise in quartz glass technology has made significant impacts in these organizations, contributing to their advancements in material science.
Collaborations
Funakoshi has collaborated with esteemed colleagues such as Kenji Kamo and Kouichi Ono. These partnerships have fostered innovation and have been instrumental in the development of new technologies in the field.
Conclusion
Yushiharu Funakoshi's work in high-purity, opaque quartz glass exemplifies the intersection of innovation and practical application in materials science. His contributions continue to influence the industry and inspire future advancements.