Toyota, Japan

Junichi Matsumoto

This inventor holds 33 USPTO granted patents and 1 published patent application and 9 EPO patents, primarily in Vehicle Battery Systems. Top assignees: Toyota Jidosha Kabushiki Kaisha, Denso Corporation, Primearth Ev Energy Co., Ltd.. Active years: 2011-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junichi Matsumoto. Retrieved from https://idiyas.com/inventor/junichi-matsumoto-yktzdn2w

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

Calculating rank
USPTO Granted Patents = 33 

% Patents Active = 97.0


Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 49(Granted Patents)


Company Filing History:


Years Active: 2011-2025

Loading Chart...
Loading Chart...
Areas of Expertise:
Battery System
Vehicle Control
Hybrid Vehicle
Power Supply
Electric Vehicle
Charge State Detection
Power Control
Electric Storage
Nonaqueous Electrolyte
Rechargeable Battery
Data Collection
Voltage Detection
33 patents (USPTO):Explore Patents

Title: Junichi Matsumoto: Innovator in Vehicle Battery Systems

Introduction

Junichi Matsumoto, located in Toyota, Japan, is a notable inventor recognized for his significant contributions to the automotive industry, particularly in vehicle battery systems. With an impressive portfolio of 32 patents to his name, Matsumoto has been pivotal in advancing technologies that enhance the performance and efficiency of modern vehicles.

Latest Patents

Among his latest innovations are patents relating to vehicle control systems and methods for managing battery performance. One of his notable patents describes a vehicle that incorporates a battery pack with a secondary battery, a battery sensor to monitor its state, and a dual control device system. The first control device establishes a power upper limit for the battery, while the second device sets a guard value to ensure that the power does not exceed safe limits based on battery temperature. Additionally, another patent outlines a battery system featuring a nickel-metal hydride battery, with an electronic control unit (ECU) that regulates charging and discharging processes. The ECU calculates essential metrics such as discharge electricity amount and charge reserve capacity, utilizing temperature readings to optimize battery management.

Career Highlights

Matsumoto has built a prolific career, primarily working with renowned companies such as Toyota Motor Corporation and Denso Corporation. His experience at these leading firms has allowed him to hone his expertise in automotive technologies, especially related to battery systems and vehicle control mechanisms.

Collaborations

Throughout his career, Matsumoto has collaborated with talented professionals, including colleagues Junta Izumi and Juni Yasoshima. Their partnerships in research and development have led to numerous innovative advancements that benefit the automotive industry as a whole.

Conclusion

Junichi Matsumoto remains a distinguished figure in the realm of automotive innovation. His work in vehicle battery systems not only enhances vehicle performance but also contributes to the overall efficiency and safety of modern vehicles. With a substantial number of patents, Matsumoto's influence is expected to resonate in the industry for years to come.

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]
Loading…