This inventor holds 9 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignee: Kao Corporation. Active years: 2008-2020.
Company Filing History:
Years Active: 2008-2020
Title: Innovations of Koji Koyanagi
Introduction
Koji Koyanagi is a notable inventor based in Wakayama, Japan. He has made significant contributions to the field of hydraulic compositions, holding a total of 9 patents. His work focuses on improving the efficiency and effectiveness of hydraulic materials used in various applications.
Latest Patents
Koyanagi's latest patents include a dispersant composition for hydraulic compositions used in centrifugal molding. This method involves mixing water, a hydraulic powder, a dispersant composition, and an aggregate to prepare a hydraulic composition. The process includes filling the hydraulic composition into a mold and steam curing it within the mold. The dispersant composition consists of a formaldehyde naphthalene sulfonate condensate or a salt thereof, a compound with an alkylenoxy group, and optionally, a polycarboxylic acid-based copolymer in specific proportions. Another patent focuses on a dispersant composition for hydraulic compositions, which includes a polymer compound with a naphthalene ring-containing monomer unit and a specific alkylene oxide added compound. The molar ratio of the total amount of the added compound to the naphthalene ring-containing monomer unit is maintained between 0.4% and 30%.
Career Highlights
Koji Koyanagi is currently associated with Kao Corporation, a leading company in the field of consumer products and chemicals. His innovative work has contributed to the advancement of hydraulic compositions, showcasing his expertise and dedication to the field.
Collaborations
Koyanagi has collaborated with notable coworkers such as Hotaka Yamamuro and Masaaki Shimoda. Their combined efforts have led to the development of innovative solutions in hydraulic technology.
Conclusion
Koji Koyanagi's contributions to hydraulic compositions through his patents reflect his commitment to innovation and excellence in his field. His work continues to influence the industry and pave the way for future advancements.