This inventor holds 6 USPTO granted patents. Top assignees: Chisso Corporation, The Japan Tobacco Salt Public Corporation. Active years: 1979-1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Moriyama, JP (1981)
- Moriyamashi, JP (1979 - 1982)
- Ichiharashi, JP (1984)
Company Filing History:


Years Active: 1979-1984
Title: Inventor Kohichi Kunimune: Innovations in Polypropylene and Composite Fibers
Introduction
Kohichi Kunimune, based in Moriyamashi, Japan, stands out as a prominent inventor with a total of six patents to his name. His work primarily focuses on advancements in polypropylene compositions and heat-adhesive composite fibers, showcasing his contribution to materials science and engineering.
Latest Patents
Kohichi Kunimune’s latest innovations include two significant patents. The first is a **polypropylene composition** designed to enhance high-impact strength and elongation at break while maintaining minimal rigidity loss. This composition comprises 60 to 95 parts by weight of polypropylene and 40 to 5 parts by weight of a chlorinated polyolefin grafted with styrene. The second innovation involves **heat-adhesive composite fibers** that range from 1-20 deniers. These fibers include crystalline polypropylene as the first component and ethylene-vinyl acetate copolymer or its saponification product as the second. The resulting fibers exhibit excellent low-temperature heat-adhesiveness and low crimpability, making them ideal for wet-type non-woven fabrics.
Career Highlights
Throughout his career, Kohichi Kunimune has contributed to reputable companies such as Chisso Corporation and the Japan Tobacco & Salt Public Corporation. His work at these organizations has facilitated significant advancements in polymer technologies, demonstrating his expertise and creativity in the field of materials innovation.
Collaborations
Kohichi has collaborated with noted colleagues, including Seigo Inadomi and Teruaki Hane. These partnerships have likely played a crucial role in fostering innovation and enhancing the development of new materials, reflecting the collaborative spirit often found in scientific research and development.
Conclusion
Kohichi Kunimune’s impressive portfolio of inventions, particularly in polypropylene compositions and composite fibers, marks him as a key figure in the field of material science. His contributions not only highlight his innovative spirit but also pave the way for future advancements in polymer applications. As he continues to evolve in his research, his future work promises to impact various industries significantly.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile