Kawasaki, Japan

Kenji Kobomura

This inventor holds 1 USPTO granted patent. Top assignees: Nippon Steel Chemical Co., Ltd., Nippon Steel Corporation. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Kobomura. Retrieved from https://idiyas.com/inventor/kenji-kobomura

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 = 6.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Kenji Kobomura: Innovator in Carbon Fiber Reinforced Composites

Introduction

Kenji Kobomura is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of composite materials, particularly in the development of carbon fiber reinforced composites. His innovative work has led to advancements that enhance the performance of these materials in various applications.

Latest Patents

Kobomura holds a patent for a unidirectional prepreg and carbon fiber reinforced composite material. This invention improves the compressive strength and compression strain at failure of pitch-based carbon fiber reinforced composite materials by integrating polyacrylonitrile-based carbon fibers. The pitch-based carbon fibers exhibit a modulus in tension of not less than 400 GPa and a tensile strength of not less than 2000 MPa. The compressive strength of this unidirectionally reinforced composite material ranges from 100 MPa to 800 MPa, with fiber diameters between 4 µm and 15 µm. The polyacrylonitrile-based carbon fibers possess a modulus in tension of not less than 200 GPa, along with superior compressive strength and compression strain at failure compared to pitch-based fibers.

Career Highlights

Throughout his career, Kenji Kobomura has worked with prominent companies such as Nippon Steel Chemical Co., Ltd. and Nippon Steel Corporation. His experience in these organizations has allowed him to refine his expertise in composite materials and contribute to significant advancements in the industry.

Collaborations

Kobomura has collaborated with notable colleagues, including Hiromi Kimura and Hideo Osone. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Kenji Kobomura's contributions to carbon fiber reinforced composites demonstrate his commitment to innovation in material science. His patented work continues to influence the field and showcases the potential of advanced composite materials 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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