Numazu, Japan

Nobuaki Tamaki

This inventor holds 2 USPTO granted patents. Top assignee: Kabushiki Kaisha Meidensha. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuaki Tamaki. Retrieved from https://idiyas.com/inventor/nobuaki-tamaki

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 = 3.4

ph-index = 2

Forward Citations = 18(Granted Patents)


Location History:

  • Numazu, JP (1987)
  • Zushi, JP (1987)

Company Filing History:


Years Active: 1987

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2 patents (USPTO):Explore Patents

Title: Nobuaki Tamaki: Innovator in Vacuum Interrupter Technology

Introduction

Nobuaki Tamaki is a distinguished inventor based in Numazu, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of vacuum interrupters. With a total of 2 patents, his work has enhanced the performance and reliability of electrical systems.

Latest Patents

Tamaki's latest patents focus on innovative designs for vacuum interrupters. The first patent describes an inventive vacuum interrupter that boasts improved dielectric strength and durability, leading to enhanced interruption performance. This interrupter features a vacuum envelope that includes an insulating cylinder, a metal end plate hermetically sealed to one edge, and a bottomed metal cylinder sealed to the other edge. A stationary lead rod, which carries a stationary electrode, passes through the metal end plate and the insulating cylinder. A movable lead rod, which is longer than the stationary lead rod, carries a movable electrode. The design also incorporates a metal bellows and a coil that produces an axial magnetic field, improving the interruption performance when the electrodes are separated.

The second patent also pertains to a vacuum interrupter, which exhibits high interruption performance. This interrupter includes a metal end plate as part of its vacuum envelope and a coil positioned outside the envelope, generating an axial magnetic field parallel to the arc path. The contact near the coil is made from a material that enhances interruption performance and is mounted with a clearance onto the end plate, ensuring optimal functionality.

Career Highlights

Nobuaki Tamaki is currently employed at Kabushiki Kaisha Meidensha, where he continues to innovate in the field of electrical engineering. His work has been instrumental in advancing the technology of vacuum interrupters, making them more efficient and reliable for various applications.

Collaborations

Throughout his career, Tamaki has collaborated with notable colleagues, including Shinzo Sakuma and Toshimasa Fukai. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Nobuaki Tamaki is a prominent inventor whose work in vacuum interrupter technology has significantly impacted the electrical engineering field. His innovative designs and patents reflect his commitment to enhancing the performance and reliability of electrical systems.

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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