Fumio Kobayashi

Title: Fumio Kobayashi: Innovator in Optical Technology

Introduction

Fumio Kobayashi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of optical technology, holding a total of 5 patents. His work focuses on advancements in optical pickup devices and diffraction grating elements.

Latest Patents

Kobayashi's latest patents include a diffraction grating element and an optical pickup device incorporating the same. This invention features a grating mounting section designed for mounting a laser diode and a diffraction grating element within the frame body of an optical pickup device. The diffraction grating element consists of a main body with a grating face, a holder that is integral with the main body, and an arm portion that protrudes outward from the holder. This design allows for angular position adjustment of the diffraction grating element by turning the arm portion about the optical axis. Another significant patent is an objective lens driving device capable of holding an objective lens at a neutral point. This device includes drive coils mounted on a lens holder and stationary member, with magnets arranged to create magnetic attraction forces that produce restoring forces in both the focusing and tracking directions.

Career Highlights

Throughout his career, Fumio Kobayashi has worked with prominent companies such as Kabushiki Kaisha Sankyo Seiki Seisakusho and Asahi Corporation. His experience in these organizations has contributed to his expertise in optical technologies and innovations.

Collaborations

Kobayashi has collaborated with notable coworkers, including Ikuo Kasuga and Toru Kamada. Their joint efforts have likely played a role in advancing their shared projects and innovations in the optical field.

Conclusion

Fumio Kobayashi's contributions to optical technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry and inspire future innovations.