Tatsuo Kawasaki

Title: Innovations of Tatsuo Kawasaki in Optical Recording Technology

Introduction

Tatsuo Kawasaki is a notable inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of optical recording technology, holding two patents that showcase his innovative approach to enhancing data storage and retrieval.

Latest Patents

Kawasaki's latest patents include a near field optical recording medium and an optical recording medium with address pits in the header region. The first patent describes a near field optical recording medium that features a header area where addressing or timing signals are recorded using a concave/convex pattern with laser light. This design allows for accurate reproduction of header information, even in super-high density recording mediums, by utilizing changes in returning light caused by distance and diffraction effects. The second patent focuses on an optical recording medium that improves seek speed and recording/reproduction speed by connecting concave or convex portions in a direction orthogonal to the tracks. This innovation enhances the ability to reproduce address information during seeking, resulting in a more efficient optical head movement.

Career Highlights

Kawasaki is associated with Tosoh Corporation, where he has been able to apply his expertise in optical technologies. His work has contributed to advancements in the efficiency and effectiveness of optical recording mediums.

Collaborations

Kawasaki has collaborated with notable coworkers such as Koyata Takahashi and Kenichi Sekimoto. Their combined efforts have furthered the development of innovative optical recording solutions.

Conclusion

Tatsuo Kawasaki's contributions to optical recording technology demonstrate his commitment to innovation and excellence in the field. His patents reflect a deep understanding of the complexities involved in data storage and retrieval, paving the way for future advancements.