Toyonaka, Japan

Sowjun Matsumura

This inventor holds 7 USPTO granted patents and 1 published patent application. Top assignees: C.uyemura Co., Ltd., Daido Metal Company Ltd., Mitsubishi Heavy Industries Limited. Active years: 1984-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sowjun Matsumura. Retrieved from https://idiyas.com/inventor/sowjun-matsumura

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

USPTO Granted Patents = 7 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 4

Forward Citations = 64(Granted Patents)


Location History:

  • Hirakata, JP (1993)
  • Toyonaka, JP (1984 - 2000)

Company Filing History:


Years Active: 1984-2000

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7 patents (USPTO):Explore Patents

Title: **Sowjun Matsumura: A Pioneer in Composite Materials**

Introduction

Sowjun Matsumura, an innovative inventor based in Toyonaka, Japan, has made significant contributions to the field of composite materials. With a portfolio of seven patents, Matsumura has demonstrated a commitment to advancing technology through his groundbreaking work.

Latest Patents

Among his latest innovations is a fluorine compound-containing composite material. This unique material consists primarily of a metal or polymer matrix combined with particles or fibers of a polytetrafluoroethylene oligomer, which has a number average molecular weight of 10,000 or less. Remarkably, the surface of this composite material boasts a fluorine atom proportion of 40% or more relative to the total number of atoms, showcasing a remarkable achievement in material science.

Career Highlights

Sowjun Matsumura has worked with reputable companies such as C. Uyemura & Co., Ltd. and Osaka Cement Co., Ltd. Throughout his career, he has focused on improving the properties and applications of composite materials, leading to innovative solutions in various industries. His research and developments have paved the way for advancements in this technology.

Collaborations

Matsumura has collaborated with notable coworkers, including Tadashi Chiba and Nobuatsu Watanabe. These partnerships have fostered a creative environment, contributing to the success of numerous projects and further enhancing the field of composite material innovation.

Conclusion

Through his inventions and collaborative efforts, Sowjun Matsumura has established himself as a prominent figure in the realm of composite materials. His patents reflect a deep understanding of material science and a dedication to innovation that continues to inspire future developments in the industry.

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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