Yokkaichi, Japan

Hirokatsu Nakajima

This inventor holds 16 USPTO granted patents and 2 published patent applications. Top assignees: Sumitomo Wiring Systems, Limited, Autonetworks Technologies, Limited, Sumitomo Electric Industries, Limited. Active years: 2007-2017.

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

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

USPTO Granted Patents = 16 

% Patents Active = 12.5

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Mie, JP (2015)
  • Yokkaichi, JP (2007 - 2017)

Company Filing History:


Years Active: 2007-2017

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16 patents (USPTO):Explore Patents

Title: Hirokatsu Nakajima: Innovator in Current Sensing Technology

Introduction

Hirokatsu Nakajima is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of current sensing technology, holding a total of 16 patents. His innovative designs focus on improving the efficiency and functionality of current detection devices.

Latest Patents

One of Nakajima's latest patents is a current sensor designed to be easily assembled, even when a bus bar inserted through a magnetic core has a complex shape. This sensor features a case that includes a first and second segment, each with opening portions that allow for the insertion of the detection target portion from an orthogonal direction. Another notable patent is for a current detection device that employs a small magnetic core to reduce the device's size. This design not only minimizes excessive heat generation but also simplifies the attachment process and reduces the space required for installation.

Career Highlights

Throughout his career, Nakajima has worked with several notable companies, including Sumitomo Wiring Systems and Autonetworks Technologies. His experience in these organizations has allowed him to refine his skills and contribute to advancements in current sensing technology.

Collaborations

Nakajima has collaborated with talented individuals such as Satoru Chaen and Kouji Nishi. These partnerships have fostered innovation and have led to the development of cutting-edge technologies in the field.

Conclusion

Hirokatsu Nakajima's work in current sensing technology exemplifies his commitment to innovation and excellence. His patents and collaborations have significantly impacted the industry, showcasing his expertise and dedication to advancing technology.

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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