Location History:
- Kyushu, JP (1985)
- Kita-Kyushu, JP (1980 - 1987)
Company Filing History:
Years Active: 1980-1987
Title: Innovations of Katsuhisa Kohyama
Introduction
Katsuhisa Kohyama is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyamide resins and abrasive compositions. With a total of 13 patents to his name, Kohyama's work has had a notable impact on various industrial applications.
Latest Patents
Kohyama's latest patents include a hydrocarbon terminated polyamide resin and a process for producing the same. This innovation involves a polyamide resin with a relative viscosity ranging from 2.5 to 6, featuring hydrocarbon groups of 6 to 22 carbon atoms as end groups. The number of these hydrocarbon groups constitutes 40 to 100% of the total end groups of the polyamide. Another significant patent is for an aqueous dispersion of silicic anhydride and abrasive composition. This aqueous dispersion comprises an aqueous solvent and silicic anhydride, which has a surfacial silanol group density of 0.3 to 3 per 100 .ANG..sup.2, obtained through surface treatment of silicic anhydride produced by a dry method.
Career Highlights
Katsuhisa Kohyama is currently associated with Mitsubishi Chemical Industries Limited, where he continues to innovate and develop new materials. His work has been instrumental in advancing the capabilities of polyamide resins and their applications in various industries.
Collaborations
Kohyama has collaborated with notable colleagues, including Katsuhiko Nakamura and Katsuyuki Sakata. These partnerships have fostered a collaborative environment that enhances the innovation process.
Conclusion
Katsuhisa Kohyama's contributions to the field of materials science through his patents and collaborations highlight his role as a leading inventor. His work continues to influence the development of advanced materials in the industry.