This inventor holds 1 USPTO granted patent. Top assignee: Nissan Chemical Industries Limited. Active years: 1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1997
Title: Fumio Saito and His Work on Aqueous Zirconia Sols.
Introduction
Fumio Saito is an inventor associated with Sodegaura, Japan, and Nissan Chemical Industries Limited. His patent work concerns a stable aqueous zirconia sol designed for applications such as semiconductor polishing.
Latest Patents
Saito is credited with 1 patent: “Aqueous Zirconia Sol and Method of Preparing Same.” The invention describes preparing a stable sol of colloidal zirconia with reduced surface activity. The process calcines colloidal zirconia under specified conditions, then pulverizes the calcined material in water in the presence of a water-soluble acid or alkali. The resulting sol is described as having controlled surface area, particle size, and water content, with a zirconia concentration ranging from 5 to 80 percent by weight.
Career Highlights
Saito’s listed patent reflects work on zirconia materials and their preparation for industrial uses. The invention’s stated applications include polishing semiconductors and similar materials.
Collaborations
Takao Kaga and Yutaka Kimura are identified as Saito’s coworkers.
Conclusion
Fumio Saito’s patent documents a method for producing stable aqueous colloidal zirconia, connecting his work at Nissan Chemical Industries Limited with materials intended for semiconductor polishing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile