Yokosuka, Japan

Seiko Kawashima

This inventor holds 20 USPTO granted patents and 6 published patent applications and 1 EPO patent, primarily in Light Emitting Devices. Top assignees: Toshiba Lighting & Technology Corporation, Harison Toshiba Lighting Corporation, Kabushiki Kaisha Toshiba. Active years: 2006-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiko Kawashima. Retrieved from https://idiyas.com/inventor/seiko-kawashima

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

USPTO Granted Patents = 20 

% Patents Active = 30.0

 

Average Co-Inventor Count = 5.1

ph-index = 7

Forward Citations = 396(Granted Patents)


Location History:

  • Kanagawa, JP (2012)
  • Kanagawa-ken, JP (2006 - 2014)
  • Yokosuka, JP (2006 - 2014)

Company Filing History:


Years Active: 2006-2014

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Areas of Expertise:
Light-Emitting Circuit
Illumination Apparatus
LED Module
Lighting Device
Color Conversion Unit
Metal Halide Lamp
Electronic Component
Automotive Headlamp
20 patents (USPTO):Explore Patents

Title: Seiko Kawashima: A Pioneer in Light-Emitting Technology

Introduction

Seiko Kawashima, a distinguished inventor based in Yokosuka, Japan, has made significant contributions to the field of light-emitting technologies. With an impressive portfolio of 20 patents, Kawashima's innovative spirit is evident in his groundbreaking designs and applications, particularly in the creation of advanced lighting systems.

Latest Patents

Kawashima's most recent patents showcase his expertise in light-emitting circuits and luminaires. One of his notable inventions is a light-emitting circuit that includes a substrate, multiple light-emitting portions, and a luminous intensity distribution control member. This design features a plurality of light-emitting elements arranged on the substrate, each accompanied by a color mixing unit that effectively combines and seals the light emitted from these elements. Additionally, the luminous intensity distribution control member is equipped with lenses tailored to optimize the light emitted from each portion, ensuring efficient illumination.

Another significant invention is his light-emitting apparatus, which consists of a substrate with mounted light-emitting elements, an attachment member, and a mechanical fixing component. This innovative design allows for the substrate to be securely held within a concave portion of the attachment member, thus enhancing the stability and functionality of the apparatus.

Career Highlights

Throughout his career, Seiko Kawashima has served as a valuable asset to various reputable companies. Notably, he has worked at Toshiba Lighting & Technology Corporation and Harison Toshiba Lighting Corporation, where he has played a crucial role in driving advances in lighting technology. His accomplishments in these organizations have contributed to establishing their prominence in the industry.

Collaborations

Kawashima has collaborated with several talented professionals, including Tsuyoshi Oyaizu and Haruki Takei. These partnerships have fostered a culture of innovation, leading to the development of advanced lighting solutions that stand at the forefront of technology.

Conclusion

In conclusion, Seiko Kawashima's dedication to innovation in lighting technology is exemplified by his numerous patents and successful career. His continued efforts to enhance light-emitting systems not only demonstrate his expertise but also significantly impact the industry, paving the way for future advancements in illumination and design.

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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