Kanagawa, Japan

Toyoki Iguchi

This inventor holds 17 USPTO granted patents and 3 published patent applications and 16 EPO patents, primarily in Battery Technology. Top assignees: Nissan Motor Company Limited, Hitachi Automotive Systems, Ltd., Nippon Piston Ring Co., Ltd.. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyoki Iguchi. Retrieved from https://idiyas.com/inventor/toyoki-iguchi

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

USPTO Granted Patents = 17 

% Patents Active = 94.1

 

Average Co-Inventor Count = 6.7

ph-index = 4

Forward Citations = 35(Granted Patents)


Location History:

  • Yokohama, JP (2013 - 2019)
  • Kanagawa, JP (2017 - 2019)

Company Filing History:


Years Active: 2013-2026

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Areas of Expertise:
Battery Module
In-Vehicle Battery System
Battery Pack Cooling
Heat Conductive Piston Ring
Vehicle Power Supply
Electricity Storage Device
Battery Control System
Battery Block
Secondary Battery Module
Gas Discharge Structure
Electrical Storage Module
Piston Ring
17 patents (USPTO):Explore Patents

Title: Toyoki Iguchi: Innovator in In-Vehicle Battery Systems

Introduction

Toyoki Iguchi, hailing from Kanagawa, Japan, is a prominent inventor known for his significant contributions in the realm of automotive battery technology. With a remarkable portfolio of 16 patents, Iguchi focuses primarily on innovations that enhance the efficiency and reliability of in-vehicle battery systems.

Latest Patents

Among his latest innovations, Iguchi has developed an advanced **in-vehicle battery system**. This system includes a battery, a relay that modulates the electrical connection between the battery and an inverter, and several switches that operate within a current path to control the relay's status. Moreover, it features a sophisticated battery control apparatus to oversee the battery's condition and manage the operation of the vehicle.

Another noteworthy invention is the **battery pack cooling system**. This invention consists of a configuration that channels cooling air through a series of passages, cooling the cell modules effectively. The system boasts a minimum and maximum temperature sensor to maintain optimal thermal performance, thereby enhancing the safety and efficiency of battery operations.

Career Highlights

Iguchi's career has seen him collaborate with leading companies in the automotive sector, most notably **Nissan Motor Company** and **Hitachi Automotive Systems**. His experience in these organizations has further solidified his expertise in battery technology and innovation.

Collaborations

Throughout his career, Iguchi has worked alongside esteemed colleagues, including Shigeyuki Kiyota and Yoshiyuki Tanaka. Their collaborative efforts have contributed to advancing battery technologies within their respective organizations, fostering innovations that impact the automotive industry.

Conclusion

Toyoki Iguchi's dedication to developing cutting-edge in-vehicle battery systems underscores his role as a significant innovator in this field. His inventions not only demonstrate his technical prowess but also reflect the growing importance of efficient energy solutions in the automotive industry. With a continued focus on innovation, Iguchi remains a key figure in transforming how vehicles harness and manage energy.

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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