Amagasaki, Japan

Eizo Naya

This inventor holds 18 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1984-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eizo Naya. Retrieved from https://idiyas.com/inventor/eizo-naya

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 = 2.8

ph-index = 6

Forward Citations = 97(Granted Patents)


Location History:

  • Ibaraki, JP (1985)
  • Ibaragi, JP (1984 - 1986)
  • Takarazuka, JP (1987)
  • Hyogo, JP (1985 - 1991)
  • Amagasaki, JP (1984 - 1993)

Company Filing History:


Years Active: 1984-1993

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18 patents (USPTO):Explore Patents

Title: Eizo Naya: Innovator in Vacuum Switch Contact Materials

Introduction

Eizo Naya is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of materials science, particularly in the development of vacuum switch contact materials. With a total of 18 patents to his name, Naya's work has had a substantial impact on the industry.

Latest Patents

Naya's latest patents focus on a vacuum switch contact material that consists essentially of a mixture of copper (Cu) and chromium oxide (Cr.sub.x O.sub.y). The innovative design features a particulate state where the center part of the particles is composed of Cr.sub.2 O.sub.3, while the peripheral part consists of chromium. This unique structure allows for enhanced performance in vacuum switch applications. The manufacturing methods he has developed include infiltrating Cu into the open pores of Cr.sub.x O.sub.y particles and forming green compacts that can be sintered or hot-pressed.

Career Highlights

Eizo Naya has spent a significant portion of his career at Mitsubishi Denki Kabushiki Kaisha, where he has been able to apply his expertise in materials science. His work has not only advanced the technology behind vacuum switches but has also contributed to the broader field of electrical engineering.

Collaborations

Throughout his career, Naya has collaborated with notable colleagues, including Mitsuhiro Okumura and Michinosuke Demizu. These partnerships have fostered innovation and have led to the successful development of various patented technologies.

Conclusion

Eizo Naya's contributions to the field of vacuum switch contact materials exemplify the importance of innovation in technology. His extensive patent portfolio and collaborative efforts highlight his role as a leading inventor in the industry.

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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