Yokohama, Japan

Kumpei Kobayashi

This inventor holds 10 USPTO granted patents and 2 published patent applications and 4 EPO patents. Top assignees: Kabushiki Kaisha Toshiba, Seoul Semiconductor Co., Ltd., Toshiba Materials Co., Ltd.. Active years: 2019-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kumpei Kobayashi. Retrieved from https://idiyas.com/inventor/kumpei-kobayashi

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

USPTO Granted Patents = 10 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 40(Granted Patents)


Location History:

  • Yokohama, JP (2019 - 2024)
  • Kanagawa, JP (2024)

Company Filing History:


Years Active: 2019-2025

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10 patents (USPTO):Explore Patents

Title: Kumpei Kobayashi: Innovator in White Light Technology

Introduction

Kumpei Kobayashi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of lighting technology, particularly in the development of white light sources. With a total of 10 patents to his name, Kobayashi's work focuses on enhancing the quality and functionality of lighting systems.

Latest Patents

Kobayashi's latest patents include a method for using a white light source and a white light source system. The method allows for the control of daily rhythm and pleasant lighting through the manipulation of stimulation light emitted from the white light source. This innovation defines the amounts of stimulation light as melanopic irradiance, L-cone opic irradiance, and M-cone opic irradiance. The ratios of these amounts are expressed through specific formulas, enabling quantitative changes in stimulation light by adjusting the emission intensity of the white light source. The white light source system comprises a light-emitting device that includes multiple light emitters with varying color temperatures and phosphor compositions, enhancing the versatility of lighting applications.

Career Highlights

Kumpei Kobayashi has worked with prominent companies such as Kabushiki Kaisha Toshiba and Toshiba Materials Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in lighting technology.

Collaborations

Kobayashi has collaborated with notable coworkers, including Masahiko Yamakawa and Noriaki Yagi. Their combined expertise has contributed to the advancement of lighting innovations.

Conclusion

Kumpei Kobayashi's contributions to white light technology demonstrate his commitment to innovation and improvement in lighting systems. His patents reflect a deep understanding of the interplay between light and human experience, paving the way for future advancements in the field.

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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