Ken-ichi Shimada

Title: Ken-ichi Shimada: Innovator in Holographic Technology

Introduction

Ken-ichi Shimada is a notable inventor based in Tucson, AZ (US). He has made significant contributions to the field of optical technology, particularly in the development of holographic optical devices. His innovative work has led to advancements in optical information recording and reproduction.

Latest Patents

Ken-ichi Shimada holds a patent for a holographic optical pickup device, which includes an optical axis split element for splitting a reference beam into two light beams with orthogonal polarized states. This device features angular variable elements that change the incident angle of the reference beam, allowing for effective irradiation of optical information recording media. The invention also includes an image sensor for detecting diffracted beams and photodetectors for generating angular error signals to control the angular variable elements. This patent showcases his expertise in creating advanced optical information systems.

Career Highlights

Shimada is associated with Hitachi Media Electronics Co., Ltd., where he has been instrumental in developing cutting-edge optical technologies. His work has not only enhanced the efficiency of optical devices but has also paved the way for future innovations in the field.

Collaborations

Ken-ichi Shimada has collaborated with Kazuyoshi Yamazaki, contributing to the advancement of holographic technology and optical systems. Their partnership has fostered innovation and development within their projects.

Conclusion

Ken-ichi Shimada's contributions to holographic technology and optical devices have made a significant impact in the field. His innovative spirit and dedication to research continue to inspire advancements in optical information systems.