Nishikamo-gun, Japan

Hiroshi Nakayama

This inventor holds 5 USPTO granted patents. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2003-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Nakayama. Retrieved from https://idiyas.com/inventor/hiroshi-nakayama-qok9vtul

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

Calculating rank

% Patents Active = 40.0

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 41(Granted Patents)


Location History:

  • Toyota, JP (2003 - 2007)
  • Nishikamo-gun, JP (2006 - 2012)

Company Filing History:


Years Active: 2003-2012

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5 patents (USPTO):Explore Patents

Title: Hiroshi Nakayama: Innovator in Motor Control and Power Conversion Technologies

Introduction

Hiroshi Nakayama is a prominent inventor based in Nishikamo-gun, Japan. He has made significant contributions to the fields of motor control and power conversion, holding a total of 5 patents. His innovative work has been instrumental in advancing technology within the automotive industry.

Latest Patents

One of Nakayama's latest patents is a motor drive device that detects motor overload conditions. This device controls the motor to output maximal torque while maintaining a preset allowable speed range, ensuring that the motor's output torque is not decreased during overload situations. This innovation also protects the drive circuit from potential damage. Another notable patent is for a power converter and vehicle equipped with this converter. This technology involves a voltage conversion circuit that adjusts the operating voltage based on the insulation resistance value detected, enhancing the safety and efficiency of electric loads.

Career Highlights

Hiroshi Nakayama is currently employed at Toyota Motor Corporation, where he continues to develop cutting-edge technologies. His work has not only contributed to the company's success but has also set new standards in the automotive sector.

Collaborations

Throughout his career, Nakayama has collaborated with talented individuals such as Koichi Mizutani and Tomohiro Saitou. These partnerships have fostered a creative environment that encourages innovation and the development of groundbreaking technologies.

Conclusion

Hiroshi Nakayama's contributions to motor control and power conversion technologies exemplify his dedication to innovation. His patents reflect a commitment to enhancing the efficiency and safety of automotive systems.

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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