Tokyo, Japan

Masahiko Ishida

This inventor holds 25 USPTO granted patents and 19 published patent applications, primarily in Thermoelectric Conversion. Top assignees: Nec Corporation, Tohoku University, Nec C Orporation. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Ishida. Retrieved from https://idiyas.com/inventor/masahiko-ishida-547ydzoo

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

Calculating rank
USPTO Granted Patents = 25 

% Patents Active = 64.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Minato-ku, JP (2013)
  • Tokyo, JP (2009 - 2024)

Company Filing History:


Years Active: 2009-2026

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Areas of Expertise:
Thermoelectric Conversion Element
Heat-Flow Sensor
Portable Power Supply
Thermal Diffusion Coefficient
Heat Exchange Device
Abnormality Detector
Bearing Measurement
Carbon Nanotube
Switching Element
Resist Pattern
Physical Property Evaluation
Deep-Body Thermometer
25 patents (USPTO):Explore Patents

Title: Masahiko Ishida: Innovator in Portable Power Technologies

Introduction

Masahiko Ishida, an inventive mind based in Tokyo, Japan, is known for his significant contributions to the field of portable power supply technologies. With a total of 23 patents to his name, Ishida has demonstrated a passion for innovation that combines practicality with cutting-edge science.

Latest Patents

Ishida's latest inventions showcase a blend of simplicity and advanced technology. His patent for a **Portable Power Supply** outlines a system that incorporates a combustion device along with a heating container designed to retain objects to be heated. This invention features a magnetic metal plate exhibiting spontaneous magnetization, which generates electromotive force through the anomalous Nernst effect triggered by the heating process. Additionally, the design allows for drawing power thanks to the provided electrodes, resulting in an efficient and straightforward configuration for generating electricity.

Another notable patent is the **Physical Property Evaluation Device**, which aims to reduce measurement errors in evaluating the thermoelectric conversion coefficients of various solid materials. This innovative device consists of a means to measure electromotive forces across individual solid materials on a substrate, a heat flow production method, and an external magnetic field generation system. Such a collective setup enhances the efficiency of physical property evaluations significantly.

Career Highlights

Throughout his career, Ishida has collaborated with leading organizations that emphasize research and development. He has been associated with **NEC Corporation**, a prominent player in the innovation of technology solutions, and **Tohoku University**, where he furthered his academic pursuits and contributions to science. His work in these organizations has enriched his expertise and expanded the realm of technological possibilities.

Collaborations

Ishida has worked alongside esteemed colleagues like Akihiro Kirihara and Shigeru Koumoto. Their shared insights and knowledge have significantly influenced the development and success of Ishida's innovations. Together, they have pushed boundaries in portable power innovation and solid material evaluations, contributing to advancements in their respective fields.

Conclusion

Masahiko Ishida stands out as an influential inventor whose work continues to shape the landscape of portable power technologies. His recent patents not only embody technological ingenuity but also showcase a commitment to enhancing efficiency in various applications. As Ishida continues to innovate, the impact of his work will likely inspire future advancements in the field.

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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