Hiroshi Muramatsu

Title: Hiroshi Muramatsu: Innovator in Disk Drive Technology

Introduction

Hiroshi Muramatsu is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of disk drive technology, holding a total of 4 patents. His innovative designs have advanced the functionality and efficiency of brushless motors used in disk drives.

Latest Patents

One of his latest patents involves a disk drive device for rotating a disk. In this design, a magnetic recording disk is mounted on a hub, which is rotatably supported by a base plate. A laminated core is fixed on the upper surface of the base plate, featuring a ring portion and multiple teeth extending radially from it. Coils are wound around these teeth, while a cylindrical magnet fixed to the hub is magnetized to drive with several poles along the circumferential direction. The design includes a wire drawn out to the bottom surface of the base plate through a strategically arranged hole. This wire connects to a driving line for supplying current to the coils, with the hole being plugged with resin for added durability.

Career Highlights

Hiroshi has worked with prominent companies such as Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd. and Alphana Technology Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technology in the industry.

Collaborations

Throughout his career, Hiroshi has collaborated with talented individuals, including Hiroki Yamazaki and Koichi Nakamura. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Hiroshi Muramatsu's contributions to disk drive technology exemplify his dedication to innovation. His patents and career achievements highlight his role as a significant figure in the field.