This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 2003-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2003-2004
Title: Masayoshi Kumagawa: Innovator in Magnetic Recording Technology
Introduction
Masayoshi Kumagawa is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of magnetic recording technology. With a total of 2 patents, his work has advanced the methods of recording and reproducing digital data.
Latest Patents
Kumagawa's latest patents include a magnetic recording and reproduction method and apparatus. This invention focuses on recording digital data on magnetic tape using a helical scanning method. It generates multiple sectors in each track on the magnetic tape, allowing for the recording of various types of data, including video and audio. The method incorporates pilot signals for tracking control, recorded in a superposition manner using three different frequencies. These frequencies change every track in a predetermined manner, ensuring effective data management.
Another significant patent by Kumagawa is related to a magnetic recording apparatus and method. This invention generates recording data that corresponds to a specific digital recording method. It allows for the continuous recording of data from two tracks into one track on magnetic tape. The control data indicating the arrangement of pilot signal frequencies is inverted at specific intervals, enhancing the recording process.
Career Highlights
Masayoshi Kumagawa has had a distinguished career at Sony Corporation, where he has been instrumental in developing innovative recording technologies. His expertise in magnetic recording has positioned him as a key figure in the industry.
Collaborations
Throughout his career, Kumagawa has collaborated with talented individuals such as Ryuji Abe and Takafumi Kobayashi. These collaborations have contributed to the advancement of technology in the field of magnetic recording.
Conclusion
Masayoshi Kumagawa's contributions to magnetic recording technology have been significant and impactful. His innovative patents reflect his dedication to advancing the field. His work continues to influence the way digital data is recorded and reproduced.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile