Kanagawa, Japan

Tetsuya Nakajima

This inventor holds 3 USPTO granted patents. Top assignee: Tokyo Ohka Kogyo Co., Ltd.. Active years: 2000-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Nakajima. Retrieved from https://idiyas.com/inventor/tetsuya-nakajima-fpkzs9k7

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

Calculating rank

% Patents Active = 66.7

Average Co-Inventor Count = 5.0

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Kanagawa, JP (2000)
  • Kanagawa-ken, JP (2003 - 2004)

Company Filing History:


Years Active: 2000-2004

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3 patents (USPTO):Explore Patents

Title: Tetsuya Nakajima: A Pioneer in Dielectric Element Innovations

Introduction

Tetsuya Nakajima, an inventive mind hailing from Kanagawa-ken, Japan, has made significant contributions to the field of dielectric elements. With a total of three patents to his name, Nakajima has established himself as a noteworthy inventor in the realm of material science and engineering.

Latest Patents

His latest patent focuses on a dielectric element comprising a lower electrode, a dielectric layer, and an upper electrode that are provided on a substrate. Notably, one of the electrodes is a platinum (Pt) layer, with a ruthenium (Ru) layer utilized as a base layer for the Pt layer. The fabrication method involves electroplating the Pt layer, employing a photoresist pattern as a plating mask, and utilizing the Ru layer as a seed layer. This innovative approach enables the formation of a Pt electrode that possesses exceptional electrical characteristics while minimizing voids or seams. Furthermore, the method supports the creation of fine patterns without contamination in the processing chamber, showcasing the advanced engineering behind Nakajima's invention.

Career Highlights

Currently, Tetsuya Nakajima is associated with Tokyo Ohka Kogyo Co., Ltd., a company established as a leader in the manufacturing of advanced materials and chemicals. His work here underscores his commitment to pioneering technologies that enhance the performance and reliability of electronic components.

Collaborations

Collaborating with skilled professionals like Akira Hashimoto and Yoshimi Sato, Nakajima continues to push the boundaries of innovation in his field. These partnerships not only enhance the scope of his research but also contribute to the collective expertise at Tokyo Ohka Kogyo Co., Ltd.

Conclusion

In summary, Tetsuya Nakajima stands out as a prominent inventor within the dielectric element domain. His innovative patents, coupled with his collaborative efforts at Tokyo Ohka Kogyo Co., Ltd., reflect his dedication to advancing technology and improving the functionalities of electronic components. As the industry evolves, Nakajima’s contributions will undoubtedly continue to influence future advancements in material science.

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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