Tokyo, Japan

Daisuke Yamagishi

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions Corporation. Active years: 2019-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daisuke Yamagishi. Retrieved from https://idiyas.com/inventor/daisuke-yamagishi-89di8cj3

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 3.4

ph-index = 1


Company Filing History:


Years Active: 2019-2025

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2 patents (USPTO):Explore Patents

Title: Daisuke Yamagishi: Innovator in Electric Machine Technology

Introduction

Daisuke Yamagishi is a notable inventor based in Minato-ku, Japan. He has made significant contributions to the field of electric machines, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

Yamagishi's latest patents include an embedded magnet rotor and a power converter. The embedded magnet rotor features a rotor shaft and a rotor core with permanent magnet housing spaces designed to prevent fragments from the permanent magnet from interfering with the stator. This design enhances the reliability and efficiency of rotary electric machines. The power converter patent describes a system that connects a direct current power supply to a load, incorporating a switching unit and a protection operation portion that ensures safe operation by detecting voltage elevations and stopping the switching operation when necessary.

Career Highlights

Throughout his career, Daisuke Yamagishi has worked with prominent companies such as Toshiba Corporation and Toshiba Infrastructure Systems & Solutions Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in electric machine technology.

Collaborations

Yamagishi has collaborated with notable colleagues, including Masakatsu Matsubara and Masaru Kano. These partnerships have contributed to his success and the advancement of his inventions.

Conclusion

Daisuke Yamagishi is a distinguished inventor whose work in electric machine technology has led to valuable patents and advancements in the field. His contributions continue to influence the industry and inspire future innovations.

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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