Tokyo, Japan

Yoshio Nikawa

This inventor holds 16 USPTO granted patents, primarily in Hyperthermia Technology. Top assignees: Tokyo Keiki Company Limited, Hitachi Maxell, Limited, Kikuchi; Makoto. Active years: 1987-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Nikawa. Retrieved from https://idiyas.com/inventor/yoshio-nikawa

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 = 4.0

ph-index = 13

Forward Citations = 473(Granted Patents)


Location History:

  • Tokyo, JP (1988 - 1992)
  • Nerima-ku, Tokyo, JP (1987 - 1993)
  • Yokohama-shi, JP (1999 - 2000)

Company Filing History:


Years Active: 1987-2000

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Areas of Expertise:
Hyperthermia
Heating Apparatus
Wave Absorber
Electric Wave Prevention
Applicator
Localized Hyperthermia
Electromagnetic Waves
Thermal Therapy
16 patents (USPTO):Explore Patents

Title: Innovations by Yoshio Nikawa

Introduction

Yoshio Nikawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of innovative solutions for electric wave prevention. With a total of 16 patents to his name, his work has garnered attention for its practical applications and technological advancements.

Latest Patents

Among his latest patents, Nikawa has developed a composition for the prevention of electric waves across a wide range. This invention focuses on creating a lightweight and flexible material that possesses both absorbing and shielding properties against electric waves. The composition incorporates carbon fiber or magnetic particles, along with graphitized carbon black, which are dispersed into an insulating substrate. The weight ratio of graphitized carbon black to the other materials is carefully controlled to optimize performance.

Another notable patent is for a wave absorber that is lightweight, flexible, and exhibits excellent wave absorption characteristics in the microwave frequency range. This wave absorber utilizes composite carbon black particles, which include crystalline graphite and amorphous carbon black, dispersed within an insulating matrix. The dispersion of these particles is adjusted to achieve specific resistivity ratios, resulting in a wave absorber with superior absorption capabilities.

Career Highlights

Throughout his career, Yoshio Nikawa has worked with various companies, including Tokyo Keiki Company Limited. His experience in these organizations has allowed him to refine his expertise in materials and wave technology, contributing to

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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