Kenichi Hase

Title: Kenichi Hase: Innovator in Magnetic Disk Storage Technology

Introduction

Kenichi Hase is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of magnetic disk storage technology, holding a total of 16 patents. His innovative designs have advanced the efficiency and functionality of data storage systems.

Latest Patents

Among his latest patents is a magnetic disk storage apparatus that features a magnetic disk-type storage medium and a head for reading data. This apparatus includes a processor and a phase synchronizing circuit with a controllable response characteristic. The system is designed to output a clock signal to manage data read from the magnetic disk. The processor generates the access position on the magnetic disk and commands the control of the response characteristic based on stored information. This innovation ensures that the response characteristic is controlled in sync with the seek operation of the head, enhancing the overall performance of the storage apparatus.

Another notable patent is a magnetic disk storage apparatus equipped with a phase locked loop or phase sync circuit. This circuit comprises a phase comparator, charge pump, filter, and voltage-controlled oscillator. It includes a register connected to an information processing system, which stores the response characteristics of the components. This design allows for stable operation even when data transfer speeds vary, particularly between inner and outer tracks of the magnetic disk.

Career Highlights

Kenichi Hase has worked with notable companies such as Hitachi, Ltd. and Hitachi Microcomputer Engineering, Ltd. His experience in these organizations has contributed to his expertise in developing advanced storage technologies.

Collaborations

Throughout his career, Hase has collaborated with talented individuals, including Ryutaro Horita and Shinichi Kojima. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Kenichi Hase's contributions to magnetic disk storage technology have significantly impacted the industry. His innovative patents and collaborations reflect his dedication to advancing data storage solutions.