Company Filing History:
4 out of 1,037 
2 out of 8 
2 out of 5 
Years Active: 1983-1989
Title: Kiyohisa Eguchi: Innovator in Lubricant Compositions and Porous Glass
Introduction
Kiyohisa Eguchi is a notable inventor based in Kawanishi, Japan. He has made significant contributions to the field of material science, particularly in the development of lubricant compositions and chemically durable porous glass. With a total of 5 patents to his name, Eguchi's work has had a lasting impact on various industrial applications.
Latest Patents
One of Eguchi's latest patents is focused on lubricant compositions for metalworking. This invention provides a lubricant composition that operates effectively at temperatures exceeding 200 degrees Celsius. The composition includes active components such as alkali metal salts of phthalic acid and a specific glass composition. The glass composition consists of 20 to 70% by weight of P₂O₅, 8 to 72% by weight of M₂O, where M represents an alkali metal, and 0 to 80% by weight of B₂O₃. The ratio of the alkali metal salts to the glass composition is maintained between 10:90 and 90:10 in a total weight of 100 parts.
Another significant patent by Eguchi involves the creation of chemically durable porous glass. This glass primarily comprises a SiO₂-ZrO₂ system with a ZrO₂ content of 2% or more by weight. The process for manufacturing this glass is also detailed in the patent, showcasing Eguchi's innovative approach to material durability.
Career Highlights
Throughout his career, Kiyohisa Eguchi has worked with esteemed organizations such as the Agency of Industrial Science and Technology and Hanano Commercial Co., Ltd. His experience in these institutions has allowed him to refine his expertise and contribute to groundbreaking advancements in his field.
Collaborations
Eguchi has collaborated with notable colleagues, including Norio Kitamura and Terumasa Okamura. These partnerships have fostered a collaborative environment that has led to innovative solutions and advancements in material science.
Conclusion
Kiyohisa Eguchi's contributions to the fields of lubricant compositions and porous glass demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving industrial processes and materials, making him a significant figure in the realm of invention.