Futtsu, Japan

Ryoji Arima

This inventor holds 2 USPTO granted patents. Top assignee: Nippon Steel Corporation. Active years: 1981-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Arima. Retrieved from https://idiyas.com/inventor/ryoji-arima

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 = 3.0

ph-index = 2

Forward Citations = 4(Granted Patents)


Location History:

  • Kobe, JP (1981)
  • Futtsu, JP (1995)

Company Filing History:


Years Active: 1981-1995

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2 patents (USPTO):Explore Patents

Title: Ryoji Arima: Innovator in Metal Refining Technologies

Introduction

Ryoji Arima is a prominent inventor based in Futtsu, Japan. He has made significant contributions to the field of metal refining, holding a total of 2 patents. His innovative approaches have advanced the processes involved in refining molten metals and alloys.

Latest Patents

Arima's latest patents include a method of refining molten metal or molten alloy and a steel-making process. The first patent describes a technique for refining molten metal or alloy through degassing. This method involves blowing gas into the molten material while utilizing electromagnetic force to enhance the refining process. The gas is homogeneously dispersed in the molten bath, increasing its residence time and improving the overall quality of the metal. The second patent outlines a three-step steel-making process where molten steel is desiliconized, dephosphorized, and decarburized. This process includes maintaining specific temperatures and introducing a flux to achieve desired chemical compositions.

Career Highlights

Ryoji Arima is associated with Nippon Steel Corporation, where he has been instrumental in developing advanced metal refining techniques. His work has not only contributed to the efficiency of steel production but has also set new standards in the industry.

Collaborations

Arima has collaborated with notable colleagues such as Kazuumi Harashima and Michitaka Matsuo. Their combined expertise has further enhanced the innovative projects at Nippon Steel Corporation.

Conclusion

Ryoji Arima's contributions to metal refining technologies exemplify the impact of innovation in industrial processes. His patents reflect a commitment to improving the quality and efficiency of metal production.

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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