Masami Kumei is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of light emitting devices, holding a total of 3 patents. His work focuses on innovative manufacturing methods and materials that enhance the performance of light emitting devices.

Latest Patents

Kumei's latest patents include a light emitting device that incorporates resin and a manufacturing method for the same. This device features a resin that can be produced through a simple process while delivering the desired scattering properties. The manufacturing process involves mixing two or more types of immiscible liquid materials to create a composition with a sea-island structure. This composition is then arranged near an LED chip and cured, forming an encapsulation resin that includes scattering centers.

Another significant patent is for a light emitting device equipped with a porous alumina reflector made from aggregated alumina particles. This device has a reflector with a reflection surface that boasts a high reflectivity for near-infrared to ultraviolet rays emitted from the LED chip and fluorescent material. The combination of these features enhances the overall efficiency and effectiveness of the light emitting device.

Career Highlights

Masami Kumei is currently employed at Stanley Electric Co., Ltd., where he continues to innovate in the field of lighting technology. His work has been instrumental in advancing the capabilities of light emitting devices, making them more efficient and versatile.

Collaborations

Kumei has collaborated with notable colleagues, including Soji Owada and Mitsunori Harada. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in the lighting industry.

Conclusion

Masami Kumei's contributions to the field of light emitting devices exemplify the spirit of innovation. His patents reflect a commitment to improving technology through creative solutions and collaboration. His work continues to influence the industry and pave the way for future advancements.

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