Koriyama, Japan

Tomoichi Kumata

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Heraeus Quarzglas Gmbh & Co Kg, Shin-Etsu Quartz Products Co., Ltd.. Active years: 2015-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoichi Kumata. Retrieved from https://idiyas.com/inventor/tomoichi-kumata

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 50.0

 

Average Co-Inventor Count = 2.9

ph-index = 1


Company Filing History:


Years Active: 2015-2025

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2 patents (USPTO):Explore Patents

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.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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