Fujishi, Japan

Tsutomu Ogawa

This inventor holds 1 USPTO granted patent. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Ogawa. Retrieved from https://idiyas.com/inventor/tsutomu-ogawa-b1rbb63k

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 = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: Tsutomu Ogawa: Innovator in Carbon Fiber Production

Introduction

Tsutomu Ogawa is a notable inventor based in Fujishi, Japan. He has made significant contributions to the field of materials science, particularly in the production of carbon fibers. His innovative methods have paved the way for advancements in various industries that utilize carbon fiber materials.

Latest Patents

Ogawa holds a patent for a method of producing carbon fibers. This method allows for the creation of carbon fibers with high tenacity and high modulus of elasticity. The process achieves a high carbonization yield within a short period of time by heat-carbonizing acrylonitrile polymer fibers. These fibers comprise a copolymer primarily made of acrylonitrile and a specific compound, enhancing the efficiency and quality of the carbon fibers produced.

Career Highlights

Throughout his career, Tsutomu Ogawa has been associated with Asahi Kasei Kogyo Kabushiki Kaisha, a leading company in the chemical and materials industry. His work has significantly impacted the development of advanced materials, particularly in the realm of carbon fibers.

Collaborations

Ogawa has collaborated with notable colleagues, including Eiichi Wakita and Takahiro Kobayashi. These partnerships have fostered innovation and contributed to the successful development of new technologies in carbon fiber production.

Conclusion

Tsutomu Ogawa's contributions to the field of carbon fiber production exemplify the importance of innovation in materials science. His patented methods and collaborations have advanced the industry, showcasing the potential of carbon fibers in various applications.

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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