Company Filing History:
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1 out of 7 
1 out of 7 Years Active: 1984-1990
Title: Innovations of Katsuhiko Takashima
Introduction
Katsuhiko Takashima is a notable inventor based in Sennan, Japan. He has made significant contributions to the field of materials science, particularly in the development of innovative products and methods. With a total of 2 patents to his name, Takashima's work reflects a commitment to advancing technology in practical applications.
Latest Patents
One of his latest patents is related to a core member for the fabrication of shaped plastic. This invention involves a core member prepared by treating non-woven fabric with a coating composition that includes an emulsion-form curable vinyl polymer, heat-expandable microspheres, and a thiocyanate compound. This core member is effectively utilized with a liquid-form unsaturated polyester-based molding composition containing a cobalt-containing compound as a cure accelerator. The innovation allows for color development when the unsaturated polyester-based liquid composition infiltrates the voids of the core member, enabling monitoring of the infiltration process through color change.
Another significant patent by Takashima is a method of producing moisture-permeable artificial leather. This method involves transferring a water-soluble inorganic salt-containing polyurethane layer onto a base fabric and subsequently washing the polyurethane layer with water to extract the inorganic salt. A key feature of this invention is that the inorganic salt used has a particle diameter range such that at least 90% of it is not larger than 30 microns.
Career Highlights
Throughout his career, Katsuhiko Takashima has worked with several companies, including Toyo Coth Co., Ltd. and Japan U-pica Company, Ltd. His experience in these organizations has contributed to his expertise in material development and innovation.
Collaborations
Takashima has collaborated with notable individuals in his field, including Katsuhiro Moriwaki and Koichi Taniguchi. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
Katsuhiko Takashima's contributions to the field of materials science through his patents demonstrate his innovative spirit and dedication to improving technology. His work continues to influence the industry and inspire future developments.
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