Hideo Tsumura

Title: Hideo Tsumura: Innovator in Magnetic Disc Technology

Introduction

Hideo Tsumura is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of magnetic disc technology, holding a total of 2 patents. His work has been instrumental in advancing the efficiency and functionality of magnetic disc apparatuses.

Latest Patents

Tsumura's latest patents include a disc assembly for a magnetic disc apparatus and a magnetic head actuating mechanism. The disc assembly comprises a plurality of vertically arranged magnetic discs, each featuring a central aperture. A rotating shaft is inserted into the central aperture of each magnetic disc and is connected to a rotating source. This design includes spacers between the discs and a clamp on the shaft's top surface. A temperature compensating disc, matching the outer diameter of the magnetic discs, is mounted on the clamp in one piece.

The magnetic head actuating mechanism is designed to minimize address effects. It includes a capstan attached to the shaft of a magnetic head driving motor and an actuator arm supported on a pivot. The mechanism allows the magnetic head to remain stationary even when the motor is not energized, preventing contact between the magnetic head and the magnetic disk without the need for a locking mechanism.

Career Highlights

Hideo Tsumura is associated with Mitsubishi Electric Corporation, where he has contributed to various innovative projects. His expertise in magnetic disc technology has positioned him as a key figure in the development of advanced data storage solutions.

Collaborations

Throughout his career, Tsumura has collaborated with notable colleagues, including Kanji Sakurai and Chiaki Kawamura. These partnerships have fostered a creative environment that has led to significant advancements in their field.

Conclusion

Hideo Tsumura's contributions to magnetic disc technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations in data storage technology.