Company Filing History:
2 out of 99 
2 out of 229 
Years Active: 2015-2025
Title: Innovations by Tomoichi Kumata
Introduction
Tomoichi Kumata is a notable inventor based in Koriyama, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced quartz glass technologies. With a total of 2 patents, his work focuses on enhancing the properties of quartz glass for various applications.
Latest Patents
Kumata's latest patents include a titanium-containing quartz glass that exhibits excellent UV absorption. This innovative glass effectively absorbs ultraviolet rays with wavelengths of 250 nm or less, preventing adverse effects related to ozone generation on the human body. It maintains high transmittance across the near-ultraviolet to visible light spectrum, even when exposed to ultraviolet radiation. Additionally, he has developed a synthetic silica glass designed for the cladding of optical fibers. This glass features low refractive index properties and is free from foaming foreign substances, making it suitable for fiber laser applications.
Career Highlights
Throughout his career, Kumata has worked with prominent companies such as Shin-Etsu Quartz Products Co., Ltd. and Heraeus Quarzglas GmbH & Co. KG. His experience in these organizations has allowed him to refine his expertise in quartz glass technology and contribute to various innovative projects.
Collaborations
Kumata has collaborated with notable colleagues, including Atsushi Shimada and Katsuhide Orikasa. These partnerships have further enriched his work and led to advancements in the field of materials science.
Conclusion
Tomoichi Kumata's contributions to quartz glass technology demonstrate his innovative spirit and commitment to advancing materials science. His patents reflect a deep understanding of the properties and applications of quartz glass, making him a significant figure in this field.