Naotaka Otsuka

Title: Naotaka Otsuka: Innovator in Optical Technology

Introduction

Naotaka Otsuka is a prominent inventor based in Nara, Japan. He has made significant contributions to the field of optical technology, holding a total of 3 patents. His work focuses on enhancing the functionality and efficiency of optical systems.

Latest Patents

Otsuka's latest patents include innovations such as a splitting element, a light emitter, and an optical pickup apparatus. The objective of these inventions is to provide a stable track servo. The design of the optical system, which includes an objective lens and a hologram pattern, ensures that reflected light from one recording layer does not interfere with the light reception of the first and second TES light receiving portions. This design allows for accurate track position information and prevents issues such as the objective lens being driven beyond its movable range. Additionally, his optical pickup invention enables the recording and playback of multiple optical disks with different specifications by utilizing light beams of varying wavelengths. This innovation is particularly suitable for integrating semiconductor lasers and light receiving elements into a single package.

Career Highlights

Naotaka Otsuka is associated with Sharp Kabushiki Kaisha Corporation, where he continues to develop cutting-edge optical technologies. His work has significantly impacted the efficiency and reliability of optical systems used in various applications.

Collaborations

Otsuka has collaborated with notable coworkers, including Tetsuo Ueyama and Keiji Sakai. Their combined expertise has contributed to the advancement of optical technology within their organization.

Conclusion

Naotaka Otsuka's contributions to optical technology through his innovative patents demonstrate his commitment to enhancing the field. His work continues to influence the development of advanced optical systems, showcasing the importance of innovation in technology.