Osaka, Japan

Noriyuki Nozawa

This inventor holds 8 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Hitachi Metals, Ltd.. Active years: 2012-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriyuki Nozawa. Retrieved from https://idiyas.com/inventor/noriyuki-nozawa

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

USPTO Granted Patents = 8 

% Patents Active = 62.5


Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Osaka, JP (2012 - 2016)
  • Mishima-gun, JP (2018 - 2021)
  • Minato-ku, JP (2021 - 2022)

Company Filing History:


Years Active: 2012-2022

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8 patents (USPTO):Explore Patents

Title: Noriyuki Nozawa: Innovator in Sintered Magnet Technology

Introduction

Noriyuki Nozawa is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of magnet technology, particularly in the development of sintered R-T-B based magnets. With a total of eight patents to his name, Nozawa's work has had a substantial impact on the industry.

Latest Patents

One of Nozawa's latest patents is a method for producing a sintered R-T-B based magnet. This method includes several steps, such as providing a sintered R-T-B based magnet work and an RL-RH-M based alloy. The diffusion step is crucial, where the adhering amount of the RL-RH-M based alloy to the magnet work is specified to be between 4 to 15 mass percent. Another notable patent is for an R-T-B based sintered magnet, which includes specific mass percentages of various elements, ensuring optimal performance and quality.

Career Highlights

Nozawa has been associated with Hitachi Metals, Ltd., where he has been instrumental in advancing magnet technology. His innovative approaches have led to the creation of high-performance magnets that are essential in various applications.

Collaborations

Throughout his career, Nozawa has collaborated with notable colleagues, including Takeshi Nishiuchi and Satoshi Hirosawa. These collaborations have fostered a creative environment that has led to groundbreaking advancements in their field.

Conclusion

Noriyuki Nozawa's contributions to the field of sintered magnet technology are noteworthy. His innovative patents and collaborations have positioned him as a key figure in the industry. His work continues to influence the development of advanced 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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