This inventor holds 6 USPTO granted patents. Top assignees: Agency of Industrial Science and Technology, Toray Engineering Company, Limited. Active years: 1979-1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Otsu, JP (1979 - 1988)
- Nara, JP (1987 - 1989)
Company Filing History:


Years Active: 1979-1989
Title: The Innovative Journey of Kiichiro Matsumura
Introduction
Kiichiro Matsumura, based in Otsu, Japan, is a prominent inventor known for his contributions to the field of materials science. With a total of six patents to his name, Matsumura has made significant strides in the production of conductive materials that have real-world applications.
Latest Patents
Matsumura's recent inventions highlight his expertise in polymer chemistry and electroconductive materials. One of his latest patents is a process for producing carbon dichalcogenide homopolymers. This innovative method allows for the creation of polymers with a conductivity of approximately 10^-8 S/cm without doping treatment, which can be increased to 10^-4 to 10^-2 S/cm by doping. The process involves polymerizing carbon dichalcogenide monomers, such as carbon disulfide and carbon diselenide, under low pressure in the presence of an anionic catalyst.
Another notable patent is regarding a highly electroconductive graphite continuous filament. This filament features a carbon substrate and an outer graphite layer with a layer spacing of not more than 3.363 angstroms. The fabrication process includes depositing easily graphitizable carbon on the substrate and subsequently heat-treating it at temperatures exceeding 2,500 degrees Celsius, resulting in highly conductive materials suitable for various applications.
Career Highlights
Throughout his career, Kiichiro Matsumura has held significant positions that reflect his expertise and leadership in technology and innovation. He served as the Director-General of the Agency of Industrial Science and Technology, where he contributed to various industrial advancements. Additionally, he was associated with Toray Engineering Company, Limited, a leader in materials technology.
Collaborations
Matsumura has collaborated with notable coworkers such as Akio Takahashi and Jun Tsukamoto, contributing to joint ventures that foster innovation in material sciences. These collaborations have likely enhanced the practical applications of their research in various industries.
Conclusion
Kiichiro Matsumura's work exemplifies the fusion of innovation and practicality in technology. His inventions continue to influence advancements in materials science, particularly in conductive polymers and filaments. As he further explores new frontiers, his contributions remain integral to the development of advanced materials that meet the demands of modern technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile