Hisao Tanaka

Title: Hisao Tanaka: Innovator in Optical Recording Technology

Introduction

Hisao Tanaka is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of optical recording technology, holding a total of 5 patents. His innovative work has advanced the capabilities of optical recording and reproducing apparatuses.

Latest Patents

Tanaka's latest patents include an optical recording and reproducing apparatus that features an optical pickup with a liquid crystal correcting element. This invention aims to suppress noise generation in servo signals while maintaining the efficiency of the light beam. The apparatus includes a liquid crystal element control unit, a memory for storing correction data sets, and an operation mode control unit that selects the appropriate correction data for optimal performance. Another notable patent is for an information recording apparatus and method, which utilizes a pulse signal to drive a light source, allowing for precise recording on a medium. This method reduces heat accumulation during the recording process, ensuring accurate mark formation.

Career Highlights

Throughout his career, Tanaka has worked with notable companies, including Pioneer Corporation. His expertise in optical technologies has positioned him as a key figure in the development of advanced recording systems.

Collaborations

Tanaka has collaborated with esteemed colleagues such as Yoshio Sasaki and Hidenori Nakagawa, contributing to the advancement of optical recording technologies.

Conclusion

Hisao Tanaka's innovative contributions to optical recording technology have significantly impacted the industry. His patents reflect a commitment to enhancing the efficiency and accuracy of recording systems.