Seigo Sunagawa

Title: Seigo Sunagawa: Innovator in Ceramic Complex Light Emitting Devices

Introduction

Seigo Sunagawa is a prominent inventor based in Anan, Japan. He has made significant contributions to the field of light-emitting devices, particularly through his innovative work with ceramic complexes. With a total of 2 patents to his name, Sunagawa's inventions focus on enhancing luminous efficiency and optical characteristics.

Latest Patents

Sunagawa's latest patents include a "Ceramic complex light emitting device using the same" and a "method for producing ceramic complex." These patents describe a ceramic complex that improves optical characteristics, including luminous efficiency. The method involves preparing a molded body containing rare earth aluminum garnet fluorescent material, aluminum oxide, and lutetium oxide, followed by calcining the molded body in an air atmosphere to achieve a ceramic complex with a relative density of 90% or more and less than 100%. Another patent details a ceramic complex capable of improving luminous efficiency, which includes a rare earth aluminate fluorescent material and aluminum oxide with high purity.

Career Highlights

Seigo Sunagawa is associated with Nichia Corporation, a leading company in the field of light-emitting technology. His work has been instrumental in advancing the capabilities of ceramic complexes used in various applications, including projectors.

Collaborations

Sunagawa has collaborated with notable coworkers such as Shozo Taketomi and Takafumi Sumie, contributing to the development of innovative technologies in the field.

Conclusion

Seigo Sunagawa's contributions to the field of ceramic complex light emitting devices highlight his role as a key innovator. His patents reflect a commitment to improving luminous efficiency and optical characteristics, making a significant impact in the industry.