Kyoto, Japan

Seiji Nakashima

This inventor holds 2 USPTO granted patents. Top assignee: Rohm Co., Ltd.. Active years: 2020-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Nakashima. Retrieved from https://idiyas.com/inventor/seiji-nakashima-pc19r4mv

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 = 3.1

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Kyoto, JP (2020)
  • Ukyo-ku Kyoto, JP (2021)

Company Filing History:


Years Active: 2020-2021

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2 patents (USPTO):Explore Patents

Title: **The Innovative Contributions of Seiji Nakashima**

Introduction

Seiji Nakashima, an influential inventor based in Ukyo-ku, Kyoto, Japan, has significantly contributed to the field of semiconductor technology. With a total of two patents to his name, Nakashima continues to push the boundaries of innovation in electronics.

Latest Patents

Nakashima's latest patents highlight his expertise in semiconductor devices and LED drive systems. His first patent pertains to a semiconductor device that includes multiple components such as first and second semiconductor elements with electrodes, sealing resin, and terminal portions. This invention enhances the functionality and efficiency of semiconductor applications, emphasizing a unique configuration that optimizes design through defined quadrants for element placement.

His second patent introduces an LED drive circuit designed to operate an LED module. This circuit comprises a detection unit to identify characteristics of the light-emitting diode and generate a corresponding detection signal. The drive circuit subsequently produces drive current based on this information, enabling effective control over the LED's performance.

Career Highlights

Throughout his career, Seiji Nakashima has been associated with Rohm Co., Ltd., a company renowned for its innovative electronics solutions. His work there signifies a commitment to advancing technology, particularly in the fields of semiconductors and LED systems.

Collaborations

Nakashima's success can also be attributed to his collaborations with esteemed colleagues, including Shozo Koyanagi and Kenichi Fukumoto. These partnerships have fostered an environment of creativity and technological advancement, reflecting the cooperative spirit within Rohm Co., Ltd.

Conclusion

Seiji Nakashima represents a dedicated and innovative inventor whose work leaves a lasting impact on the semiconductor and LED industries. His patents not only showcase his technical expertise but also highlight the importance of collaboration in driving innovations forward. As technology continues to evolve, Nakashima's contributions will undoubtedly play a crucial role in shaping the future of electronics.

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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