Niwa, Japan

Tetsuya Nakayama

This inventor holds 2 USPTO granted patents. Top assignees: Ngk Insulators, Inc., Tokyo Electric Co.. Active years: 1988-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Nakayama. Retrieved from https://idiyas.com/inventor/tetsuya-nakayama-ba4ogdwz

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 = 2.4

ph-index = 2

Forward Citations = 10(Granted Patents)


Location History:

  • Niwa, JP (1988)
  • Aichi, JP (1992)

Company Filing History:


Years Active: 1988-1992

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2 patents (USPTO):Explore Patents

Title: Tetsuya Nakayama: Innovator in Lightning Protection Technologies

Introduction

Tetsuya Nakayama is a notable inventor based in Niwa, Japan. He has made significant contributions to the field of lightning protection technologies, holding a total of 2 patents. His innovative designs focus on enhancing the safety and reliability of electrical transmission systems.

Latest Patents

Among his latest patents is the "Lightning Arrestor," which features an arrestor unit positioned between the line and earth sides of transmission lines. This unit operates in parallel with an insulator through an aerial discharge gap. The arrestor units are activated by a reference voltage that exceeds the nominal line-to-ground voltage but remains below the overvoltage caused by a single-phase ground fault. Another significant patent is for "Lightning-Conducting Insulators." This invention includes an insulator body with a shed portion and multiple rib portions inside it. It also features a cup-like cylindrical head portion, a metal cap, and a metal pin. A cylindrical fitting section with a through hole is integrated into the shed portion, allowing for the insertion of at least one current-limiting element with a non-linear voltage-current characteristic.

Career Highlights

Tetsuya Nakayama has worked with prominent companies in the electrical industry, including NGK Insulators, Inc. and Tokyo Electric Co. His experience in these organizations has contributed to his expertise in developing innovative solutions for lightning protection.

Collaborations

Throughout his career, Nakayama has collaborated with talented individuals such as Takashi Imakoma and Jun Atsumi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tetsuya Nakayama's contributions to lightning protection technologies demonstrate his commitment to innovation and safety in electrical systems. His patents reflect a deep understanding of the challenges faced in this field and offer effective solutions to enhance reliability.

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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