Location History:
- Odawara, JP (2005 - 2009)
- Kanagawa, JP (2008 - 2014)
Company Filing History:
3 out of 227 
2 out of 2,636 
2 out of 987 
Years Active: 2005-2014
Title: Kazuhisa Shishida: Innovator in Disk Drive Technology
Introduction
Kazuhisa Shishida is a prominent inventor known for his contributions to disk drive technology. He is based in Kanagawa, Japan, and holds a total of seven patents. His work has significantly impacted the efficiency and functionality of disk drives in modern technology.
Latest Patents
Shishida's latest patents include innovations in servo control for disk drives. One notable patent describes a disk drive that comprises a head for accessing a disk, an actuator for moving the head in the radial direction, and a controller. This controller is designed for servo control of the actuator based on servo data read from the disk. It maintains the width of the adaptive chasing notch filter below a specified value in servo system control and estimates the oscillation frequency of the actuator. Another patent focuses on a disk drive that includes a head, an actuator, and a controller, where the actuator supports the head and moves it using a voice-coil motor. The controller performs servo control of the actuator by utilizing servo data read by the head, incorporating notch filters to enhance performance.
Career Highlights
Kazuhisa Shishida has worked with notable companies in the technology sector, including Hitachi Global Storage Technologies Japan, Ltd. and Hitachi Global Storage Technologies Netherlands B.V. His experience in these organizations has allowed him to develop and refine his innovative ideas in disk drive technology.
Collaborations
Throughout his career, Shishida has collaborated with talented individuals such as Chikako Sakagami and Isao Yoneda. These collaborations have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Kazuhisa Shishida's work in disk drive technology showcases his innovative spirit and dedication to improving data storage solutions. His patents reflect a deep understanding of servo control systems, making significant contributions to the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.