Kawaguchi, Japan

Hitoshi Nakayama

This inventor holds 6 USPTO granted patents. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Honda Giken Kogyo K.k., Shindengen Kogyo Kabushiki Kaisha. Active years: 1986-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Nakayama. Retrieved from https://idiyas.com/inventor/hitoshi-nakayama-5jg6duy2

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 168(Granted Patents)


Location History:

  • Saitama, JP (1986 - 1987)
  • Wako, JP (1988)
  • Wako-City, JP (1989)
  • Kawaguchi, JP (1996)

Company Filing History:


Years Active: 1986-1996

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6 patents (USPTO):Explore Patents

Title: Hitoshi Nakayama: Innovator in Electric Vehicle Technology

Introduction

Hitoshi Nakayama is a prominent inventor based in Kawaguchi, Japan. He has made significant contributions to the field of electric vehicle technology, holding a total of 6 patents. His innovative designs focus on enhancing the efficiency and safety of electric vehicles.

Latest Patents

One of Nakayama's latest patents is a battery box device for electric vehicles. This device includes a drive power supply with multiple storage batteries that provide electric energy to drive the vehicle. It features a circuit breaker device with a controller that generates a power supply control signal based on the vehicle's conditions. The design ensures that the drive power supply can be turned off in response to the controller's signal. Additionally, the battery box houses both the storage batteries and the circuit breaker device, with a separate breaker box for the controller and circuit breaker. A circuit breaker switch is also operable from outside the battery box.

Another notable patent is a circuit breaker device for electric vehicles. This device is designed to cut off electric energy supplied from a high-voltage drive power supply to a load. It includes a sensor assembly that detects the vehicle's conditions and a controller that manages the circuit breaker's operation based on the detected signals. The controller is connected to both a low-voltage accessory power supply and the drive power supply, ensuring it remains energized at all times.

Career Highlights

Hitoshi Nakayama has worked with several notable companies, including Honda and Shindengen Electric Manufacturing Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in electric vehicle technology.

Collaborations

Throughout his career, Nakayama has collaborated with talented individuals such as Nobuo Miura and Satoshi Watanabe. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Hitoshi Nakayama is a key figure in the electric vehicle industry, with a focus on creating innovative solutions that enhance vehicle performance and safety. His contributions through his patents reflect his commitment to advancing technology in this vital sector.

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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