Fumiaki Koizumi

Title: Fumiaki Koizumi: Innovator in LED Technology

Introduction

Fumiaki Koizumi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of LED technology, holding three patents that showcase his innovative spirit and technical expertise. His work primarily focuses on enhancing lighting devices and optical lenses.

Latest Patents

Koizumi's latest patents include a white LED lighting device and an optical lens. The white LED lighting device features a LED chip that emits blue light, combined with a fluorescent material that converts the wavelength into fluorescence of a complementary color of blue. The optical lens is designed with a scattering light guide that provides uniform scattering power, enhancing the efficiency of light in various wavelength ranges. Another significant invention is the illumination lens, which minimizes changes in illuminance distribution when the light source is repositioned. This lens employs a unique configuration of reflection and emission surfaces to maintain consistent lighting quality.

Career Highlights

Throughout his career, Fumiaki Koizumi has worked with various companies, including Nittoh Kogaku K.K. His experience in the industry has allowed him to develop and refine his innovative ideas, leading to the successful patenting of his inventions.

Collaborations

Koizumi has collaborated with notable individuals in the field, including Hideo Hara and Kazunaga Shimizu. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Fumiaki Koizumi's contributions to LED technology and optical lens design highlight his role as a significant inventor in the field. His innovative patents reflect a commitment to improving lighting solutions and enhancing user experience.