Hitachinaka, Japan

Kenichiro Nakajima

This inventor holds 18 USPTO granted patents and 4 published patent applications and 4 EPO patents, primarily in Power Conversion Technology. Top assignees: Hitachi, Ltd., Hitachi Automotive Systems, Ltd., Hitachi Astemo Ltd.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenichiro Nakajima. Retrieved from https://idiyas.com/inventor/kenichiro-nakajima-cns3ettd

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

USPTO Granted Patents = 18 

% Patents Active = 66.7

 

Average Co-Inventor Count = 3.1

ph-index = 7

Forward Citations = 155(Granted Patents)


Company Filing History:


Years Active: 2010-2026

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Areas of Expertise:
Power Conversion
Power Inverter
Electrical Converter
Coolant Flow Paths
Capacitor Module
Reduced Size Inverter
Heat Release
Vehicle Applications
18 patents (USPTO):Explore Patents

Title: Kenichiro Nakajima: A Pioneer in Power Electronics

Introduction

Kenichiro Nakajima, a prominent inventor from Hitachinaka, Japan, has made significant contributions to the field of power electronics, holding a substantial portfolio of 16 patents. His work primarily revolves around power converter devices and inverters, demonstrating his expertise in creating efficient and innovative solutions for modern electrical systems.

Latest Patents

Among Nakajima's latest inventions is a power converter device equipped with coolant flow paths. This device features a three-phase inverter circuit with multiple semiconductor modules and an ingeniously designed flow path forming cabinet. The coolant flow path cleverly surrounds the electric equipment containing space, optimizing thermal management through a well-structured arrangement of first, second, and third flow paths. Another recent patent is for a reduced-size power inverter suitable for vehicles, which includes a box-shaped housing that efficiently organizes the power module, smoothing capacitor, and control circuit board to enhance performance while minimizing space.

Career Highlights

Kenichiro Nakajima has built a distinguished career working with reputable companies such as Hitachi, Ltd. and Hitachi Automotive Systems, Ltd. His extensive experience in these leading organizations has allowed him to focus on innovation and development in the electrical engineering sector, particularly in power electronics.

Collaborations

Throughout his career, Nakajima has collaborated with fellow engineers and inventors, including notable coworkers such as Haruki Hamada and Hideyo Suzuki. These partnerships have played a vital role in advancing their collective knowledge and fostering an environment of innovation.

Conclusion

Kenichiro Nakajima exemplifies the spirit of innovation within the field of power electronics. With a strong portfolio of patents and noteworthy collaborations, his work continues to shape the future of electrical systems and technology, positioning him as a key figure in the realm of modern inventions.

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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