Ora-gun, Japan

Hajime Shimayama

This inventor holds 3 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1997-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Shimayama. Retrieved from https://idiyas.com/inventor/hajime-shimayama

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

 

Average Co-Inventor Count = 2.8

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Gunma-ken, JP (1997)
  • Oura-gun, JP (2013)
  • Ora-gun, JP (2014)

Company Filing History:


Years Active: 1997-2014

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3 patents (USPTO):Explore Patents

Title: Hajime Shimayama: Innovator in Battery Systems

Introduction

Hajime Shimayama is a notable inventor based in Ora-gun, Japan. He has made significant contributions to the field of battery systems, holding a total of 3 patents. His innovative designs focus on enhancing energy efficiency and reducing power consumption.

Latest Patents

One of his latest inventions is a battery system that minimizes conversion loss due to chargers. This system incorporates a solar battery, a battery module, a bypass route to allow direct charging from the solar battery, and a control unit that optimizes power supply based on specific voltage conditions. Another patent involves a battery system that includes an assembled battery with both charge and discharge modes. This system converts stored electric energy into AC power, matching the frequency of the grid, and intelligently manages power supply based on historical usage data.

Career Highlights

Hajime has worked with prominent companies such as Sanyo Electric Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced battery technologies.

Collaborations

Throughout his career, Hajime has collaborated with notable individuals, including Koichi Saruhashi and Mamoru Kubo. These partnerships have likely enriched his work and led to innovative solutions in the field of energy management.

Conclusion

Hajime Shimayama's contributions to battery systems reflect his commitment to innovation and energy efficiency. His patents demonstrate a forward-thinking approach to sustainable energy 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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