Masahide Itoigawa

Title: Masahide Itoigawa: Innovator in Optical Disc Technology

Introduction

Masahide Itoigawa is a notable inventor based in Yamanashi, Japan. He has made significant contributions to the field of optical disc technology, holding 2 patents that showcase his innovative approach to manufacturing and design.

Latest Patents

Itoigawa's latest patents include an optical disc and a method for manufacturing the same. This optical disc features a pair of light-transmissible circular substrates, each with an inner non-data region surrounding a center hole, a data region for recording information, and an outer non-data region. The design incorporates a reflective layer on the data region and a protective layer made of an ultraviolet ray setting resin containing metal ions. Additionally, an adhesive layer composed of an adhesive composition with ultraviolet ray setting and anaerobic hardening components is placed between the protective layers of the circular substrates to ensure adhesion. His second patent details a process for reproducing optical discs, emphasizing the creation of laminate optical discs with excellent heat resistance and sufficient bond strength.

Career Highlights

Throughout his career, Itoigawa has worked with prominent companies such as Pioneer Electronic Corporation and Pioneer Video Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in optical technology.

Collaborations

Itoigawa has collaborated with notable coworkers, including Shinichi Hanzawa and Haruhisa Maruyama. Their collective efforts have furthered the development of innovative optical disc solutions.

Conclusion

Masahide Itoigawa's work in optical disc technology exemplifies his commitment to innovation and excellence. His patents reflect a deep understanding of materials and processes that enhance the functionality and durability of optical discs.