Tokyo, Japan

Takashi Nakajima

This inventor holds 82 USPTO granted patents and 27 published patent applications and 8 EPO patents, primarily in Magnetic Components (CPC class G06F). Top assignees: Fujitsu Component Limited, Hitachi, Ltd., Taiyo Yuden Co., Ltd.. Active years: 1987-2026.

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

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

USPTO Granted Patents = 82 

% Patents Active = 54.9

 

Average Co-Inventor Count = 2.7

ph-index = 12

Forward Citations = 391(Granted Patents)

Forward Citations (Not Self Cited) = 377(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ibaraki, JP (1995)
  • Maebashi, JP (2003)
  • Chiyoda, JP (2002 - 2006)
  • Ibaraki-ken, JP (1997 - 2008)
  • Shinagawa, JP (2005 - 2017)
  • Ota Tokyo, JP (2019 - 2022)
  • Takasaki, JP (2013 - 2023)
  • Tokyo, JP (1987 - 2024)

Company Filing History:


Years Active: 1987-2026

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Areas of Expertise:
Magnetic Base Body
Thermoelectric Conversion
Air Compressor
Electronic Receipt Management
Portable Computing Device
Coil Component
Ceramic Composition
Heat Exchanger
Touchscreen Panel
Position Detecting Method
Input Apparatus
Graphical User Interface
82 patents (USPTO):Explore Patents

Title: **The Innovative Mind of Takashi Nakajima**

Introduction

Takashi Nakajima, based in Tokyo, Japan, is a prominent inventor known for his significant contributions to technology and innovation. With an impressive portfolio of 76 patents, he has established himself as a key figure in the field of electronic systems and applications. His work continues to influence the way technology integrates into daily life, especially in retail and transaction processing.

Latest Patents

Takashi Nakajima's latest patents showcase his ingenuity in developing modern solutions for electronic receipt management and portable computing devices. One of his recent inventions, the **Electronic Receipt Management System**, involves a distributed computer system that effectively links a central server with various user computing devices and point-of-sale terminals. This innovative system assigns a global user ID and allows for seamless transaction information management, thereby enhancing the customer experience.

Another remarkable invention is the **Portable Computing Device Installed in or Mountable to a Shopping Cart**. This electronic apparatus is designed for use by sales clerks, featuring a display and a camera that captures codes from customer-operated registration devices. The system intelligently analyzes the purchased commodities and establishes whether items require additional checks, optimizing the checkout process for efficiency.

Career Highlights

Throughout his career, Nakajima has been affiliated with notable companies such as Fujitsu Component Limited and Hitachi, Ltd. His work in these organizations has enabled significant advancements in the development of electronic and computing technologies. His dedication to innovation is evident in the extensive range of patents he has obtained, which reflect his mastery of complex systems and functionalities.

Collaborations

Takashi Nakajima’s innovative journey has been enriched by collaborations with esteemed colleagues like Hideo Miura and Hiroyuki Ohta. Working alongside these talented individuals, Nakajima has been able to push the boundaries of technology, resulting in groundbreaking inventions that have had a lasting impact on the industry.

Conclusion

In summary, Takashi Nakajima stands out as a leading inventor whose contributions have reshaped the landscape of electronic systems. With a rich history of patents and successful collaborations, he continues to inspire future innovations. As technology evolves, Nakajima's work will undoubtedly play a pivotal role in shaping the future of electronic commerce and user experience.

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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