This inventor holds 32 USPTO granted patents and 7 published patent applications and 1 EPO patent, primarily in Magnetic Recording Media. Top assignees: Sony Corporation, Sony Group Corporation. Active years: 2019-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Miyagi, JP (2019 - 2023)
- Tokyo, JP (2020 - 2024)
Company Filing History:
Years Active: 2019-2026
Areas of Expertise:
Title: Innovations of Masaru Terakawa: A Pioneer in Magnetic Recording Technologies
Introduction
Masaru Terakawa, an accomplished inventor based in Miyagi, Japan, holds an impressive portfolio of 29 patents, showcasing his significant contributions to the field of magnetic recording technologies. His innovative spirit and dedication to advancing media technology have positioned him as a leading figure in the industry.
Latest Patents
Terakawa's latest patents reflect his expertise in magnetic materials. One notable invention is a magnetic recording medium that features a tape-shaped design with a recording layer composed of ε-iron oxide particles. This recording medium ensures that the area ratio R, which compares the total area of an SFD curve in a perpendicular direction to that of the coercivity range of the recording layer, does not exceed 5.5%. Additionally, he has developed a method for producing magnetic powder and a method for producing the magnetic recording medium. This innovative process involves coating silica-coated precursor particles with a metal chloride or sulfate coating agent before firing, which improves the quality and performance of the magnetic recording medium.
Career Highlights
Masaru Terakawa has built a distinguished career while working for prominent companies, including Sony Corporation and the Sony Group Corporation. His experiences in these leading tech giants have played a vital role in shaping his inventions and patents, making significant impacts in the realm of audio and video recording technologies.
Collaborations
Throughout his career, Terakawa has collaborated with talented individuals in the industry. Notable coworkers include Minoru Yamaga and Katsunori Maeshima. Together, they have worked on various projects that have further advanced the development of magnetic recording technologies and materials.
Conclusion
Masaru Terakawa’s innovative work and extensive patent portfolio underscore his position as a key inventor in the field of magnetic recording. His latest inventions, along with his fruitful collaborations and career at esteemed companies, demonstrate his commitment to advancing technology. As the demand for high-quality recording media continues to grow, Terakawa's contributions remain influential in shaping the industry’s future.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile