Morifumi Ohsawa

Title: Morifumi Ohsawa: Innovator in Disk Drive Technology

Introduction

Morifumi Ohsawa is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of disk drive technology. His innovative designs have led to advancements that enhance the performance and reliability of disk drive devices.

Latest Patents

Ohsawa holds a patent for a disk drive device equipped with a bearing unit that relatively rotatably supports a hub against a base member. This device is designed to hold recording disks securely. The patent outlines a unique configuration where the non-rotating eigenfrequency of resonance in a secondary rocking mode is defined as F0 (Hz), while the rotational frequency of the hub is defined as N (Hz). The design ensures that the radial dimension of the extending part of the hub is smaller than the axial dimension of the second external cylinder part, satisfying the relation F0 > N · (3 · P + 2). This innovation is crucial for improving the stability and efficiency of disk drives.

Career Highlights

Ohsawa is currently associated with Alphana Technology Co., Ltd., where he continues to develop cutting-edge technologies. His work has been instrumental in advancing the capabilities of disk drive systems. With a focus on precision engineering, he has contributed to the enhancement of data storage solutions.

Collaborations

Ohsawa has collaborated with talented individuals such as Toshiki Maeda and Kazuhide Kamata. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Morifumi Ohsawa's contributions to disk drive technology exemplify the spirit of innovation. His patent and ongoing work at Alphana Technology Co., Ltd. highlight his commitment to advancing the field. Ohsawa's achievements serve as an inspiration for future inventors in the technology sector.