Hiroshi Kawase

Title: Hiroshi Kawase: Innovator in Optical Disc Technology

Introduction

Hiroshi Kawase is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical disc technology, holding a total of five patents. His innovative work has paved the way for advancements in data storage and retrieval systems.

Latest Patents

Kawase's latest patents include an optical disc record medium and a disc production method. One notable invention involves a recording apparatus where a guide groove is formed without wobbles. This guide groove is periodically modulated in width, allowing encrypted data to be recorded with marks along the groove. The information recorded can be accurately detected by a band pass filter, ensuring stable reproduction of rotation control and address information. Additionally, his system allows for the reproduction of encrypted content similar to a ROM disc, thanks to the wobble-free guide groove.

Another significant patent is a system and method for electron beam irradiation. This system features a pumping block at the end of a microscope column of electron optics. It includes a rotary stage and a moving mechanism that allows the rotary stage to slide between working and mounting positions. The cover member prevents vacuum deterioration during this transition, enhancing the efficiency of the electron beam irradiation process.

Career Highlights

Kawase has worked with notable companies, including Sony Corporation. His experience in these organizations has contributed to his expertise in optical technologies and innovation.

Collaborations

Throughout his career, Kawase has collaborated with talented individuals such as Masanobu Yamamoto and Gakuo Komatsubara. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their respective fields.

Conclusion

Hiroshi Kawase's contributions to optical disc technology and electron beam irradiation systems highlight his role as a leading inventor. His innovative patents and collaborations reflect his commitment to advancing technology and improving data storage solutions.