This inventor holds 2 USPTO granted patents. Top assignees: Nippon Paint Compnay, Ltd., Other. Active years: 2002.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 827 
1 out of 834,570 Years Active: 2002
Title: Innovations by Hiroshi Chihara
Introduction
Hiroshi Chihara is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of metal surface treatment, holding two patents that showcase his innovative approach to this technology.
Latest Patents
One of his latest patents is a metal surface-treating method. This invention provides a method that includes a chemical conversion step of dipping a substrate in an acidic aqueous zinc phosphate solution. It utilizes an aqueous zinc nitrite solution as an accelerator, which is substantially free of calcium ion and contains specific concentrations of sodium and sulfate ions. Another patent focuses on the recovery of aqueous wash in phosphate chemical conversion and an apparatus for metal surface treatment.
Career Highlights
Throughout his career, Hiroshi Chihara has worked with various companies, including Nippon Paint Company, Ltd. His work has significantly impacted the industry, particularly in enhancing metal treatment processes.
Collaborations
Hiroshi has collaborated with notable coworkers such as Kenji Tsuge and Yutaka Kinose. Their combined expertise has contributed to the advancement of their projects and innovations.
Conclusion
Hiroshi Chihara's contributions to metal surface treatment through his patents reflect his innovative spirit and dedication to improving industrial processes. His work continues to influence the field and inspire future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile