Masao Tsunekawa

Title: The Innovations of Masao Tsunekawa

Introduction

Masao Tsunekawa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of disk drive technology, holding a total of six patents. His work has been instrumental in advancing the efficiency and functionality of data storage devices.

Latest Patents

One of Tsunekawa's latest patents is for a disk drive that has a thickness equal to an IC memory card. This compact card-type disk drive features a housing designed to accommodate a disk for data storage, a disk drive for rotating the disk, and a head assembly for writing and reading data. The electronic circuit, which includes an interface circuit, is also housed within this compact design. The dimensions of the disk drive are approximately 85.6 mm by 54 mm, with a thickness of just 5 mm. Another notable patent involves an apparatus and method for detecting head position error in magnetic disks. This innovation allows for accurate detection of the position error distance of a data head by reading servo data recorded on a measuring cylinder.

Career Highlights

Masao Tsunekawa is currently employed at Fujitsu Corporation, where he continues to innovate in the field of data storage technology. His work has not only contributed to the advancement of disk drives but has also set new standards in the industry.

Collaborations

Throughout his career, Tsunekawa has collaborated with notable colleagues, including Mitsuo Kamimura and Eisaku Takahashi. These collaborations have further enhanced the impact of his inventions in the technology sector.

Conclusion

Masao Tsunekawa's contributions to disk drive technology exemplify the spirit of innovation. His patents reflect a commitment to improving data storage solutions, making him a significant figure in the field.