Company Filing History:
2 out of 60 
2 out of 26 
1 out of 4 
Years Active: 1989-1996
Title: Masayasu Kamijo: Innovator in Artificial Granite Materials
Introduction
Masayasu Kamijo is a notable inventor based in Fuji, Japan. He has made significant contributions to the field of materials science, particularly in the development of artificial granite solid materials. With a total of 3 patents to his name, Kamijo's work showcases his innovative approach to creating materials that mimic the appearance and properties of natural stone.
Latest Patents
Kamijo's latest patents focus on the creation of an artificial granite solid material. This material is produced by impregnating a paper sheet with a thermosetting resin, resulting in a product that contains between 25-60% by weight of the resin on a dry basis. The process involves drying the resin-impregnated paper sheet and hot-pressing it into a laminate made up of multiple sheets. The composition of the paper includes cellulose pulp, artificial fibers, inorganic fillers, and fine-grained additives, all contributing to its strength and aesthetic appeal. The resulting artificial granite solid material exhibits excellent machinability, workability, and physical properties, along with a luxurious appearance that closely resembles natural granite.
Career Highlights
Throughout his career, Kamijo has worked with several companies, including Kohjin Co., Ltd. and Aica Kogyo Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to advancements in material technology.
Collaborations
Kamijo has collaborated with notable coworkers such as Yoshikazu Kubota and Hiroshi Otsu. These partnerships have played a crucial role in the development of his innovative materials.
Conclusion
Masayasu Kamijo's work in the field of artificial granite materials highlights his inventive spirit and dedication to advancing material science. His patents reflect a commitment to creating products that combine functionality with aesthetic appeal.