Location History:
- Yokohama, JA (1976)
- Yokohama, JP (1979 - 1985)
Company Filing History:
Years Active: 1976-1985
Title: Seisuke Hiraguri: Innovator in Magnetic Recording Technology
Introduction
Seisuke Hiraguri is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 10 patents. His innovative work has advanced the capabilities of recording and reproducing systems, making him a notable figure in his industry.
Latest Patents
Hiraguri's latest patents include a rotary magnetic head scanning control system in a magnetic recording and reproducing apparatus. This system features multiple rotary magnetic heads and a head height position control mechanism. It incorporates a pilot signal generating circuit that produces a pilot signal during the recording mode. The system is designed to control the application of the pilot signal and recording signal to each rotary magnetic head, ensuring optimal performance during both recording and reproducing states.
Another significant patent is the pilot signal recording and reproducing system. This system utilizes a frequency generating circuit that produces a sequence of frequencies for each recording unit of one track. It includes a recording device that records the generated frequencies as pilot signals alongside information signals onto a recording medium. The system also features a comb filter that frequency-selects pilot signals recorded on both sides of a track, enhancing the quality of the reproduced signal.
Career Highlights
Seisuke Hiraguri has dedicated his career to advancing magnetic recording technology. His work at the Victor Company of Japan, Limited has positioned him as a leader in the field. His innovative patents reflect his commitment to improving recording systems and enhancing their functionality.
Collaborations
Hiraguri has collaborated with notable coworkers, including Akira Hirota and Yoshihiko Honjo. These partnerships have contributed to the development of advanced technologies in magnetic recording.
Conclusion
Seisuke Hiraguri's contributions to magnetic recording technology through his patents and collaborations have made a lasting impact on the industry. His innovative spirit continues to inspire advancements in recording systems.