Nagoya, Japan

Nobuhisa Yamaguchi

This inventor holds 37 USPTO granted patents and 41 published patent applications and 5 EPO patents, primarily in Wireless Power Transfer. Top assignees: Denso Corporation, Toyota Jidosha Kabushiki Kaisha, The University of Tokyo. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhisa Yamaguchi. Retrieved from https://idiyas.com/inventor/nobuhisa-yamaguchi

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

USPTO Granted Patents = 37 

% Patents Active = 89.2

 

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 29(Granted Patents)


Location History:

  • Toyokawa, JP (2013 - 2016)
  • Nagoya, JP (2014 - 2018)
  • Kariya, JP (2018 - 2024)

Company Filing History:


Years Active: 2013-2026

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Areas of Expertise:
Wireless Power Supply
Contactless Power Feeding
Power Reception Apparatus
Dynamic Power Supply
Magnetic Detection
Coil Assembly
Power Conversion
In-Motion Power Supply
Power Transmission Device
Switching Module
Non-Contact Electricity Supply
Power Feeding System
37 patents (USPTO):Explore Patents

Title: Nobuhisa Yamaguchi: Innovator in Wireless Power Transmission

Introduction

Nobuhisa Yamaguchi is a prominent inventor based in Nagoya, Japan, renowned for his groundbreaking contributions to the field of wireless power transmission. With a remarkable portfolio of 24 patents, Yamaguchi has established himself as a key figure in the realm of innovative technology.

Latest Patents

Among his latest developments, Yamaguchi has introduced a **Wireless Power Transmission System** that allows for the wireless transfer of electric power from a power transmitter to a power receiver. This system features a primary resonant circuit designed to resonate at an angular frequency matching the operating frequency, optimizing efficiency. Additionally, he has developed a **Dynamic Power Supply System** which ensures the reliability of power supply through a pre-power-supply check, enhancing operational safety and efficiency.

Career Highlights

Throughout his career, Yamaguchi has made significant strides in the industry while working at esteemed organizations, including Denso Corporation and the National University Corporation Oita University. His work in these institutions has fostered significant advancements in power transmission technologies.

Collaborations

Yamaguchi has had the privilege of collaborating with esteemed colleagues such as Masaya Takahashi and Eisuke Takahashi. Their combined efforts in research and development have played a pivotal role in refining concepts and bringing innovative solutions to fruition.

Conclusion

Nobuhisa Yamaguchi’s contributions to wireless power transmission exemplify the impact of innovative thinking in today's technological landscape. With numerous patents to his name and ongoing collaborations within the industry, he continues to pave the way for future developments in power supply systems. His work signifies the importance of creativity and collaboration in driving technological advancements.

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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