Akira Kashiwakura

Title: Akira Kashiwakura: Innovator in Optical Recording Technology

Introduction

Akira Kashiwakura is a notable inventor based in Moriya, Japan. He has made significant contributions to the field of optical recording technology, holding a total of 3 patents. His work focuses on enhancing the performance and efficiency of optical recording mediums.

Latest Patents

Kashiwakura's latest patents include a phase-change optical recording medium that allows for high-speed recording and reproduction. This innovative medium ensures a sufficiently large reproduced signal output while maintaining excellent repeated rewriting performance. An interface layer composed of a Ge—Si—N-based material is formed on one side of the recording layer, enabling the use of high melting point phase-change materials like Bi—Ge—Te.

Another significant patent is for a write-once optical information recording medium. This medium is designed to achieve a high transfer rate and includes a complex structure of layers, such as a reflective layer, dielectric layers, and a transparent cover layer made of UV curing resin. The recording layer, made of a phase-change material, is altered using a laser beam, ensuring that the write-protect layer prevents any reversal to the crystalline phase.

Career Highlights

Kashiwakura is currently associated with Hitachi Maxell, Limited, where he continues to innovate in the field of optical technologies. His work has been instrumental in advancing the capabilities of optical recording mediums, making them more efficient and reliable.

Collaborations

He has collaborated with notable coworkers, including Makoto Iimura and Hiroshi Shirai, contributing to various projects that enhance optical recording technologies.

Conclusion

Akira Kashiwakura's contributions to optical recording technology have made a significant impact in the field. His innovative patents reflect his commitment to advancing technology and improving performance in optical mediums.