Location History:
- Osaka, JA (1976)
- Neyagawa, JP (1985 - 1989)
- Shiga, JP (1992 - 1993)
- Otsu, JP (1995)
Company Filing History:
8 out of 252 
1 out of 377 
Years Active: 1976-1995
Title: Hirohisa Maki: Innovator in Urethane Resin Compositions
Introduction
Hirohisa Maki is a notable inventor based in Neyagawa, Japan. He has made significant contributions to the field of materials science, particularly in the development of urethane resin compositions. With a total of 8 patents to his name, Maki's work has had a considerable impact on various industrial applications.
Latest Patents
Maki's latest patents include innovative moisture-curable urethane resin compositions. These compositions consist of a urethane prepolymer with two or more terminal isocyanate groups, a blocked amine compound that generates a primary or secondary amino group upon contact with water, and an inorganic filler treated with an organic compound. Notably, the urethane resin compositions feature a hydrophilic urethane prepolymer containing oxyethylene moieties and a blocked amine compound with multiple oxazolidine rings. Another significant patent involves a method for improving the electric conductivity of resin. This method combines a macromolecular compound obtained by crosslinking a polyether polyol with a soluble electrolyte salt, resulting in enhanced electric conductivity without compromising the resin's physical characteristics or causing undesirable coloration.
Career Highlights
Throughout his career, Maki has worked with prominent companies such as Dai-ichi Kogyo Seiyaku Co., Ltd. and Japan Synthetic Rubber Co., Ltd. His experience in these organizations has allowed him to refine his expertise in resin technology and contribute to various innovative projects.
Collaborations
Maki has collaborated with several talented individuals in his field, including Katsuaki Matsuo and Takeshi Fujita. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Hirohisa Maki's contributions to the field of urethane resin compositions demonstrate his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to improving industrial applications, making him a significant figure in his domain.