Itsuo Kuroyanagi

Title: The Innovations of Itsuo Kuroyanagi

Introduction

Itsuo Kuroyanagi is a notable inventor based in Chiba-ken, Japan. He has made significant contributions to the field of wafer polishing and magnetic recording mediums. With a total of 3 patents to his name, Kuroyanagi's work has had a profound impact on the technology industry.

Latest Patents

Kuroyanagi's latest patents include a method of polishing wafers and a backing pad used therein. This innovative template-type wafer polishing method allows for the polishing of multiple wafers simultaneously while they are fitted into engagement holes in a template blank. The design of the backing pad, which features annular grooves, helps to relieve stress concentrated on the peripheral edge of each wafer. As a result, the polished wafers exhibit an extremely high degree of flatness, free from deformation caused by stress concentration. Additionally, he has proposed a substrate for magnetic recording mediums in the form of an annular disk made from a single crystal of silicon. This substrate is designed to withstand mechanical shocks and high-velocity revolutions, significantly improving its mechanical strengths.

Career Highlights

Throughout his career, Kuroyanagi has worked with prominent companies such as Shin-Etsu Handotai Co., Ltd. and Shin-Etsu Chemical Co., Ltd. His experience in these organizations has contributed to his expertise in the field of materials and manufacturing processes.

Collaborations

Kuroyanagi has collaborated with notable coworkers, including Yukio Nakazima and Hisayoshi Yamaguchi. Their combined efforts have further advanced the innovations in wafer polishing and magnetic recording technologies.

Conclusion

Itsuo Kuroyanagi's contributions to the field of technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in wafer polishing and magnetic recording mediums.