Tokyo, Japan

Tohru Kawatsura

This inventor holds 1 USPTO granted patent. Top assignee: Asahi Glass Company, Limited. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Kawatsura. Retrieved from https://idiyas.com/inventor/tohru-kawatsura

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 26(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Tohru Kawatsura - Innovator in Glass Bending Technology

Introduction

Tohru Kawatsura is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of glass technology, particularly in the bending of glass plates for laminated glass applications. His innovative methods have paved the way for advancements in the manufacturing processes of glass products.

Latest Patents

Tohru Kawatsura holds a patent for a "Method for bending glass plates for a laminated glass." This method involves several steps, including heating at least two glass plates separately to a suitable temperature for bending, gradually cooling each plate, transferring the plates onto a bending ring mold in an overlapping state, and heat-shaping the overlapping glass plates to ensure their surfaces fit and coincide with each other. This innovative approach enhances the efficiency and quality of laminated glass production.

Career Highlights

Kawatsura is associated with Asahi Glass Company, Limited, a leading company in the glass manufacturing industry. His work has contributed to the company's reputation for innovation and quality in glass products. His expertise in glass bending technology has been instrumental in developing new applications and improving existing processes.

Collaborations

Throughout his career, Tohru Kawatsura has collaborated with talented individuals such as Chikao Aruga and Takaharu Imamura. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies in the glass industry.

Conclusion

Tohru Kawatsura's contributions to glass bending technology exemplify the spirit of innovation in the field. His patented methods and collaborations with esteemed colleagues highlight his commitment to advancing glass manufacturing processes. His work continues to influence the industry and inspire future innovations.

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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