Tokyo, Japan

Keizo Akutagawa

This inventor holds 12 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Bridgestone Corporation, Nsk Corporation, The University of Tokyo. Active years: 1994-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keizo Akutagawa. Retrieved from https://idiyas.com/inventor/keizo-akutagawa

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

USPTO Granted Patents = 12 

% Patents Active = 83.3

 

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 41(Granted Patents)


Location History:

  • Tokyo, JP (2008)
  • Kodaira, JP (1994 - 2016)

Company Filing History:


Years Active: 1994-2026

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12 patents (USPTO):Explore Patents

Title: An Insight into the Innovations of Keizo Akutagawa

Introduction

Keizo Akutagawa, a distinguished inventor based in Tokyo, Japan, has made significant contributions to the field of wireless power systems. With a total of three patents to his name, Akutagawa's innovative ideas are shaping the future of mobile energy solutions and vehicle control technologies.

Latest Patents

Among Akutagawa's latest patents is a groundbreaking **Wireless Power Receiving System**, which is designed to enhance energy transfer to mobile objects. This system features a power receiving device equipped with a coil that captures electric power wirelessly from a transmission coil situated on the road surface. Notably, part of the power receiving coil is integrated within a vehicle wheel, allowing for seamless energy reception during travel. The system is connected to in-vehicle devices, which utilize the received power efficiently.

His second notable patent encompasses a **Car Control Method and Car Control Apparatus**. This innovative apparatus integrates various components including a wheel sensor and a calculating mechanism for wheel torque derived from wheel speed. It also involves detecting the drive force produced by an electric motor, alongside calculating car body drive force. Additionally, it features a sophisticated drive or braking force control unit that manages the vehicle's running state, ensuring improved handling and performance.

Career Highlights

Keizo Akutagawa has built his career at prominent organizations such as Bridgestone Corporation and The University of Tokyo. His experience in these esteemed institutions has enabled him to advance his research and develop pioneering technologies that facilitate modern transportation solutions.

Collaborations

Throughout his career, Akutagawa has collaborated with notable professionals, including Yasumichi Wakao and Hiroki Sawada. These partnerships have likely contributed to the refinement of his inventive processes and the successful realization of his patented technologies.

Conclusion

In conclusion, Keizo Akutagawa stands as a prominent figure in the realm of innovation, with his patents reflecting a forward-thinking approach to mobile energy and vehicle control systems. His work not only highlights his technical expertise but also showcases the potential for future advancements in these fields, paving the way for smarter, more efficient transportation solutions.

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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