Tokyo, Japan

Tsutomu Maruyama

This inventor holds 2 USPTO granted patents. Top assignee: Asahi Glass Company, Limited. Active years: 1989-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Maruyama. Retrieved from https://idiyas.com/inventor/tsutomu-maruyama-bkxg6uyn

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 3.4

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Yokohama, JP (1989)
  • Chiyoda-ku, JP (2010)

Company Filing History:


Years Active: 1989-2010

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2 patents (USPTO):Explore Patents

Title: Tsutomu Maruyama: Innovator in Glass Technology

Introduction

Tsutomu Maruyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of glass technology, holding a total of 2 patents. His innovative methods have advanced the production and cleaning processes of glass substrates, showcasing his expertise and dedication to the industry.

Latest Patents

Maruyama's latest patents include a "Method for cleaning disk-shape glass substrate" and a "Glass capillary tube and method for its production." The cleaning method involves rotating a disk-shaped glass substrate while applying a cleaning fluid that is irradiated with ultrasonic waves. This technique ensures thorough cleaning of the glass surface. The production method for glass capillary tubes involves drawing a multiple tube assembly under heating, integrating various glass tubes of different diameters through heat fusion. These patents reflect his commitment to enhancing glass manufacturing processes.

Career Highlights

Tsutomu Maruyama is associated with Asahi Glass Company, Limited, where he has contributed to various projects and innovations. His work has not only improved existing technologies but has also paved the way for new advancements in glass applications.

Collaborations

Maruyama has collaborated with notable colleagues, including Hidetoshi Matsumoto and Yoshiyuki Miyake. Their combined expertise has fostered a creative environment that encourages innovation and problem-solving in glass technology.

Conclusion

Tsutomu Maruyama's contributions to glass technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the industry and inspire future advancements.

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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