Kumpei Kobayashi

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.