Tokyo, Japan

Kouzou Fujiwara

This inventor holds 1 USPTO granted patent. Top assignee: Kawasaki Steel Corporation. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouzou Fujiwara. Retrieved from https://idiyas.com/inventor/kouzou-fujiwara

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Kouzou Fujiwara: Innovator in Mn-Zn Ferrite Production

Introduction

Kouzou Fujiwara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the production of Mn-Zn ferrites. His innovative methods have paved the way for advancements in magnetic materials.

Latest Patents

Fujiwara holds a patent for a method for producing Mn-Zn ferrites. This method involves a three-step sintering process that efficiently produces Mn-Zn ferrites with excellent magnetic properties. The first step raises the temperature from room temperature to 600°C over a period of 30 minutes to 5 hours. The second step involves increasing the temperature to the sintering temperature and maintaining it until cooling begins, all within a period shorter than 10 hours. Finally, the cooling step lowers the temperature to 150°C over a period longer than 3 hours, with the total duration of the three steps being less than 20 hours. This innovative approach allows for the efficient production of high-quality ferrites in a shorter time frame.

Career Highlights

Kouzou Fujiwara is associated with Kawasaki Steel Corporation, where he has applied his expertise in materials science. His work has contributed to the development of advanced manufacturing techniques in the steel industry.

Collaborations

Fujiwara has collaborated with notable colleagues, including Tetsu Narutani and Masakatsu Yamazaki. Their combined efforts have further enhanced the research and development of magnetic materials.

Conclusion

Kouzou Fujiwara's contributions to the field of Mn-Zn ferrite production exemplify the impact of innovative thinking in materials science. His patented method not only improves efficiency but also enhances the quality of magnetic materials.

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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