Shizuoka, Japan

Akinori Maruyama

This inventor holds 24 USPTO granted patents and 8 published patent applications and 18 EPO patents, primarily in Power Supply Technology. Top assignee: Yazaki Corporation. Active years: 2004-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akinori Maruyama. Retrieved from https://idiyas.com/inventor/akinori-maruyama

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

USPTO Granted Patents = 24 

% Patents Active = 87.5

 

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 37(Granted Patents)


Location History:

  • Shizuoka-ken, JP (2013)
  • Shizuoka, JP (2004 - 2022)
  • Susono, JP (2013 - 2024)

Company Filing History:


Years Active: 2004-2025

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Areas of Expertise:
Power Conversion Device
Charger
Vehicle Power Supply
Transformer Device
Bus Bar
Electricity Supply Circuit
Power Supply Control
Load Circuit Protection
Power Feeding Circuit
Switching Circuit Protector
Coil Component
Vehicular Power Source Controller
24 patents (USPTO):Explore Patents

Title: Akinori Maruyama: Innovator in Power Supply Solutions

Introduction

Akinori Maruyama is a prominent inventor based in Shizuoka, Japan. With an impressive portfolio of 23 patents, he has made significant contributions to the field of power supply technologies, particularly in electric vehicles. His work embodies innovation and engineering excellence, with a focus on improving the efficiency and functionality of power systems.

Latest Patents

Maruyama's latest patents showcase his dedication to advancing power supply devices. One notable invention is a power supply device aimed at miniaturizing connectors for exchangeable batteries in electric vehicles. The design cleverly integrates a first battery with a battery connector, which interlinks with a moving object connector, ultimately stabilizing power delivery through a meticulously crafted control section.

Another significant patent involves a charger designed to absorb power pulses effectively. This innovative charger includes a rectifier connected to an AC power supply, alongside a DC/DC converter and a power pulsation absorbing circuit. Maruyama's design ensures a reliable output by managing the interaction between the alternating current and the stored power within the system.

Career Highlights

Akinori Maruyama currently works at Yazaki Corporation, a company renowned for its advancements in electrical systems and components. His role there enables him to collaborate with other notable experts in the field, driving forward innovative solutions that impact the future of energy consumption and electric mobility.

Collaborations

Throughout his career, Maruyama has worked alongside talented colleagues, including Keisuke Ueta and Yoshihide Nakamura. These collaborations foster a creative and productive environment, allowing for the exchange of innovative ideas and enhancing the development of cutting-edge technologies.

Conclusion

Akinori Maruyama has established himself as a leading inventor in Japan, with a rich background in power supply innovations. His recent patents, focusing on the efficiency and functionality of power systems, highlight his commitment to improving electric vehicle technology. With ongoing collaborations and a track record of successful inventions, Maruyama continues to shape the future of energy solutions in the automotive industry.

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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