Company Filing History:
1 out of 817 
1 out of 2 Years Active: 1976
Title: Shigeru Yamagishi: Innovator in Filtration Technology
Introduction
Shigeru Yamagishi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of filtration technology, particularly with his innovative patent that enhances the efficiency of filter mediums. His work has implications for various industries that rely on effective filtration systems.
Latest Patents
Yamagishi holds a patent for a "Filter medium which permits increased amount of filtration." This invention involves a unique composition that allows for an increased amount of filtration. The filter medium is created by blending 100 parts by weight of aggregate particles with 5-18 parts by weight of an inorganic bonding material, which consists of 10-50% by weight of SiO₂ and 5-20% by weight of B₂O₃. The mixture also includes 3-15 parts by weight of a combustible substance, such as wheat flour. The process involves kneading the mixture with a caking material and water, molding it, drying it, and then calcining the dried mixture at a temperature not lower than about 1100°C. The size and number of air-permeable pores in the filter medium can be controlled by adjusting the amounts of the bonding material and combustible substance. Yamagishi has 1 patent to his name.
Career Highlights
Throughout his career, Shigeru Yamagishi has worked with prominent companies, including Mitsui Mining & Smelting Company, Ltd. and Tokyo Kokyu Rozai Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in filtration technology.
Collaborations
Yamagishi has collaborated with notable individuals in his field, including Hiroshi Uchiyama and Kazunobu Kakimoto. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Shigeru Yamagishi's contributions to filtration technology through his innovative patent demonstrate his expertise and commitment to enhancing industrial processes. His work continues to influence the field and showcases the importance of innovation in solving practical challenges.