Osaka, Japan

Toshikazu Nakajima

This inventor holds 2 USPTO granted patents. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1995-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikazu Nakajima. Retrieved from https://idiyas.com/inventor/toshikazu-nakajima-42f7soss

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 = 3.7

ph-index = 2

Forward Citations = 26(Granted Patents)


Location History:

  • Osaka, JP (1995)
  • Fukui, JP (1999)

Company Filing History:


Years Active: 1995-1999

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2 patents (USPTO):Explore Patents

Title: Innovations of Toshikazu Nakajima

Introduction

Toshikazu Nakajima is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of fuel cell technology, holding 2 patents that showcase his innovative approach to energy solutions. His work is primarily associated with Sanyo Electric Co., Ltd., where he has been instrumental in developing advanced fuel cell systems.

Latest Patents

One of Nakajima's latest patents is for a polymer electrolyte fuel cell system. This system comprises a cell main body and a mixture generator that creates a gas-liquid mixture by combining fuel gas with water. This innovative design allows for the solid-polymer film to be moistened without the need for a humidifier, enhancing the efficiency of the fuel cell. Another notable patent is for a high-temperature fuel cell featuring external manifolds. This invention includes a cell stack and gas supply/exhaust manifolds that are secured to the cell stack with a gas-sealing sheet and an insulator. The unique design of the insulator and manifold allows for improved performance and reliability in fuel cell operation.

Career Highlights

Throughout his career, Nakajima has focused on advancing fuel cell technology, contributing to the development of systems that are more efficient and environmentally friendly. His work at Sanyo Electric Co., Ltd. has positioned him as a key player in the energy sector, particularly in the realm of renewable energy solutions.

Collaborations

Nakajima has collaborated with notable colleagues such as Yasuo Miyake and Akira Hamada. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas, further enhancing the impact of their work in the field.

Conclusion

Toshikazu Nakajima's contributions to fuel cell technology reflect his commitment to innovation and sustainability. His patents demonstrate a forward-thinking approach that addresses the challenges of energy efficiency and environmental impact. His work continues to influence the future of 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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