Tokyo, Japan

Ryuiji Kojima

This inventor holds 1 USPTO granted patent. Top assignee: Parker Chemical Company. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuiji Kojima. Retrieved from https://idiyas.com/inventor/ryuiji-kojima

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Ryuiji Kojima: Innovator in Zinc Phosphate Treatment Solutions

Introduction

Ryuiji Kojima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of chemical engineering, particularly in the area of zinc phosphate treatment solutions. His innovative approach has led to advancements that are beneficial in various industrial applications.

Latest Patents

Kojima holds a patent for a process that controls zinc phosphate treating solutions. This process involves the addition of EDTA and titration with calcium ion using a calcium ion electrode. Additionally, a second sample is treated with EDTA and thioglycolate, allowing for the same titration to determine the concentration of nickel ion for direct control purposes. This patent showcases his expertise in chemical processes and his commitment to improving industrial practices.

Career Highlights

Ryuiji Kojima is currently employed at Parker Chemical Company, where he continues to apply his knowledge and skills in chemical engineering. His work has not only contributed to the company's success but has also positioned him as a key figure in the industry. His dedication to innovation is evident in his research and development efforts.

Collaborations

Kojima collaborates with talented individuals such as Naomi Suzuki and Yokichi Sato. These partnerships enhance the creative process and lead to more effective solutions in their field.

Conclusion

Ryuiji Kojima is a distinguished inventor whose work in zinc phosphate treatment solutions has made a significant impact in the chemical engineering sector. His innovative processes and collaborations reflect his commitment to advancing technology and improving industrial practices.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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