This inventor holds 2 USPTO granted patents. Top assignees: Agency of Industrial Science and Technology, Co-Op Chemical Co., Ltd., Japan as Represented by Director General of Agency of Industrial Science. Active years: 1991-1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1,430 
1 out of 4 
1 out of 90 Years Active: 1991-1993
Title: Kazuhiko Jinnai: Innovator in Material Science
Introduction
Kazuhiko Jinnai is a notable inventor based in Tosu, Japan. He has made significant contributions to the field of material science, particularly in the development of innovative methods for producing specialized materials. With a total of 2 patents, his work has implications in various industries, including pigments and lightweight composite materials.
Latest Patents
One of Jinnai's latest patents is a method for producing fluorine mica. This invention allows for the production of swellable or nonswellable fluorine mica at relatively lower temperatures. The method involves heating a powdery mixture that includes 10 to 35% by weight of an alkali silicofluoride, optionally combined with an alkali fluoride and talc. This fluorine mica is particularly useful for pigments and other applications.
Another significant patent is for the preparation of ultra-fine hollow glass spheres. These spheres serve as fillers in lightweight composite materials, suitable for building use and similar applications. The method utilizes a fine powder of volcanic glass, even when the starting powder has a particle size of 20 micrometers or smaller. The process includes an acid-leaching treatment using hydrochloric or sulfuric acid under hydrothermal conditions, followed by a heat treatment to facilitate the expansion of the particles.
Career Highlights
Throughout his career, Kazuhiko Jinnai has worked with several organizations, including Co-op Chemical Co., Ltd. and the Agency of Industrial Science and Technology. His experience in these companies has contributed to his expertise in material science and innovation.
Collaborations
Jinnai has collaborated with notable individuals in his field, including Hiroshi Tateyama and Kunio Kimura. These collaborations have likely enriched his research and development efforts.
Conclusion
Kazuhiko Jinnai's contributions to material science through his innovative patents demonstrate his commitment to advancing technology in this field. His work continues to influence various industries, showcasing the importance of innovation in material development.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile