Shigeo Hamamura

Title: Shigeo Hamamura: Innovator in Light Source Technology

Introduction

Shigeo Hamamura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of light source technology, holding a total of 4 patents. His innovative work focuses on improving projector systems and light source modules.

Latest Patents

Hamamura's latest patents include a light source apparatus, a projector, a light source module, and a rotation control method for rotating bodies. One of his notable inventions addresses flicker reduction in projectors that utilize multiple phosphor wheels. The light source device he developed features a first and second rotating body, each containing phosphor. A rotation body controller is employed to minimize the difference between the maximum and minimum values of combined light emitted by the two phosphor sources.

Another significant patent involves a projector design that incorporates multiple light sources and phosphor wheels. Each phosphor wheel is affixed with arc-shaped segments of phosphor that emit light when excited by the light sources. The synthesizing optical system combines the emitted light, while a phosphor rotation control unit ensures that the timing of light emission varies for each phosphor wheel, enhancing overall performance.

Career Highlights

Throughout his career, Shigeo Hamamura has worked with notable companies such as NEC Display Solutions, Ltd. and Sharp NEC Display Solutions, Ltd. His experience in these organizations has allowed him to refine his expertise in light source technology and projector systems.

Collaborations

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Conclusion

Shigeo Hamamura's contributions to light source technology and projector systems have made a lasting impact in the field. His innovative patents reflect his commitment to enhancing visual technology and improving user experience.