Company Filing History:
Years Active: 1987-1993
Title: Yoshiyuki Hirano: Innovator in Magnetic Disk Technology
Introduction
Yoshiyuki Hirano is a prominent inventor based in Yono, Japan. He has made significant contributions to the field of magnetic disk technology, holding a total of 5 patents. His work has been instrumental in advancing the efficiency and functionality of magnetic disk apparatuses.
Latest Patents
Hirano's latest patents include innovative designs for magnetic disk apparatuses. One notable patent describes a magnetic disk apparatus using a rotary actuator for the magnetic head. This apparatus features a magnetic disk, a magnetic head for information recording and reproducing, and a load spring that supports the magnetic head. The design incorporates a housing that contains these components, along with a shaft that fixes the head arm and bearings that support the shaft rotatably. Additionally, the motor is coupled to the shaft and includes a motor cover, a segmented permanent magnet, and a coil positioned with a specific gap from the magnet. The inclusion of a counterweight on the shaft complements the weight of the head arm, load spring, and magnetic head.
Another patent focuses on a magnetic disk apparatus with an improved arrangement of head disks. This design allows for a housing that accommodates multiple head disk assemblies, each consisting of a magnetic head and a magnetic disk. The assemblies are arranged in various rows, optimizing space within the housing and enhancing the overall efficiency of the apparatus.
Career Highlights
Yoshiyuki Hirano has had a distinguished career at Hitachi, Ltd., where he has been able to apply his innovative ideas in magnetic disk technology. His work has not only contributed to the company's success but has also influenced the broader field of data storage solutions.
Collaborations
Hirano has collaborated with notable colleagues, including Tsuyoshi Takahashi and Jun Naruse. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the industry.
Conclusion
Yoshiyuki Hirano's contributions to magnetic disk technology exemplify his innovative spirit and dedication to advancing the field. His patents reflect a deep understanding of engineering principles and a commitment to improving data storage solutions.