Company Filing History:
Years Active: 2009-2012
Title: Kunihiro Shioura: Innovator in Optical Recording Technology
Introduction
Kunihiro Shioura is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical recording technology. With a total of 2 patents, his work has advanced the capabilities of reproduction apparatuses and tracking servo methods.
Latest Patents
Shioura's latest patents include an innovative optical recording medium and a reproduction apparatus. The first patent describes a reproduction apparatus for an optical recording medium that features both convex and concave pit recording layers. These layers are designed to record data through pit strings, with specific depth measurements relative to the laser wavelength. The apparatus includes an optical head section that irradiates laser beams and detects reflected light to read recorded information. Additionally, it features a tracking error signal generating section, a polarity switching section, and a tracking servo section for effective operation.
The second patent focuses on a reproduction apparatus that can handle multiple recording layers. This invention includes an optical head that reads information from each layer and a shaft sliding type focus actuator that maintains the focus of the laser beams. The focus servo section generates drive signals to ensure the laser remains focused on the appropriate recording layer. Furthermore, a focus jump control section is included to manage the focus jump movement effectively.
Career Highlights
Kunihiro Shioura has built a successful career at Sony Corporation, where he has been instrumental in developing cutting-edge optical technologies. His expertise in the field has led to advancements that enhance the performance and efficiency of optical recording devices.
Collaborations
Throughout his career, Shioura has collaborated with notable colleagues, including Shiro Morotomi and Hiroshi Oinoue. These partnerships have fostered innovation and contributed to the success of various projects within the company.
Conclusion
Kunihiro Shioura's contributions to optical recording technology exemplify his dedication to innovation. His patents reflect a deep understanding of the complexities involved in optical systems, and his work continues to influence the industry.