Akira Yamagishi

Title: Akira Yamagishi: Innovator in Optical Systems

Introduction

Akira Yamagishi is a notable inventor based in Suwa, Japan, recognized for his contributions to optical systems. With a total of three patents to his name, Yamagishi has made significant advancements in projection technology.

Latest Patents

Yamagishi's latest patents include an innovative optical system and a projection lens system. The optical system is designed to project light from an image-generating device onto a screen. It features a lens system that receives projection light and an aspherical mirror with negative power, which alters its curvature from positive to negative from the center to the periphery. The projection lens system is telecentric on the input side and includes a first meniscus lens made of plastic, which has an aspherical surface and lower refractive power than the second meniscus lens. This design achieves superior aberration-correcting performance while preventing degradation due to thermal deformation.

Career Highlights

Throughout his career, Yamagishi has worked with prominent companies such as Nittoh Kogaku K.K. and InFocus Corporation. His experience in these organizations has contributed to his expertise in optical technologies and innovations.

Collaborations

Yamagishi has collaborated with various professionals in the field, including his coworker, Jeffrey Alan Gohman.

Conclusion

Akira Yamagishi's work in optical systems showcases his innovative spirit and dedication to advancing projection technology. His patents reflect a commitment to improving optical performance and addressing challenges in the field.