Location History:
- Akishima, JP (1984)
- Tokyo, JP (1987)
- Kodaira, JP (1989)
Company Filing History:
Years Active: 1984-1989
Title: Fumiaki Yamada: Innovator in Laser Control and Magnetic Recording Technologies
Introduction
Fumiaki Yamada is a notable inventor based in Akishima, Japan. He has made significant contributions to the fields of laser control and magnetic recording technologies. With a total of three patents to his name, Yamada continues to push the boundaries of innovation in his industry.
Latest Patents
Yamada's latest patents include a laser control circuit and a method and magnetic head assembly for recording and reproducing control signals. The laser control circuit is designed for use in optical disc players, where it digitally modulates the laser output during recording. This invention stabilizes the laser output through a negative feedback loop while also suppressing level fluctuations. His second patent involves a method and magnetic head assembly that records control signals in a control track between information tracks on a magnetic recording medium. This innovative approach allows for the detection of control signals by the magnetic head assembly, enhancing the efficiency of data reproduction.
Career Highlights
Fumiaki Yamada is currently employed at Nakamichi Corporation, where he applies his expertise in developing advanced technologies. His work has been instrumental in improving the performance and reliability of optical and magnetic recording systems.
Collaborations
Yamada collaborates with Masato Hosobuchi, contributing to the innovative projects at Nakamichi Corporation. Their partnership has led to advancements in the technologies they work on.
Conclusion
Fumiaki Yamada is a distinguished inventor whose work in laser control and magnetic recording technologies has made a significant impact in the field. His innovative patents reflect his commitment to advancing technology and improving user experiences.