Anan, Japan

Ryuhei Tsuji

This inventor holds 8 USPTO granted patents, plus 4 CIPO patents and 7 EPO patents. Top assignee: Nichia Corporation. Active years: 2003-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuhei Tsuji. Retrieved from https://idiyas.com/inventor/ryuhei-tsuji

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


% Patents Active = 100.0



Average Co-Inventor Count = 1.4

ph-index = 6

Forward Citations = 207(Granted Patents)


Location History:

  • Anan, JP (2003 - 2010)
  • Tokushima, JP (2010)

Company Filing History:


Years Active: 2003-2010

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8 patents (USPTO):Explore Patents

Title: Ryuhei Tsuji: Innovator in Lighting Technology

Introduction

Ryuhei Tsuji is a prominent inventor based in Anan, Japan. He has made significant contributions to the field of lighting technology, holding a total of 8 patents. His innovative designs focus on improving the efficiency and functionality of lighting apparatuses.

Latest Patents

Among his latest patents is a lighting apparatus cable that facilitates easy attachment of lighting modules, thereby enhancing productivity. This flat cable is designed for use in lighting systems with multiple modules, allowing for control over the colors and luminous intensities of the emitted lights. The cable features at least four conductors arranged in parallel, including two signal conductors and two power feeding conductors, all integrated within a protective sheath. Additionally, notches are formed on both sides of the cable to facilitate the cutting of signal conductors. Another notable patent involves a light emitting apparatus that comprises at least two light emitting elements with different chromaticities. This apparatus includes a controller that ensures stable chromaticity even with temperature variations, thus providing reliable reproduction characteristics.

Career Highlights

Ryuhei Tsuji has worked with notable companies in the lighting industry, including Nichia Corporation. His experience in these organizations has contributed to his expertise in developing advanced lighting solutions.

Collaborations

Throughout his career, Tsuji has collaborated with talented individuals such as Yoshifumi Nagai and Masayuki Taru. These partnerships have played a crucial role in the development of his innovative technologies.

Conclusion

Ryuhei Tsuji's contributions to lighting technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the design and functionality of modern lighting systems.

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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