Location History:
- Shiojiri, JP (2000 - 2002)
- Shorjiri, JP (2002)
- Nagano, JP (2003)
Company Filing History:
2 out of 405 
1 out of 1,960 
1 out of 833,002 Years Active: 2000-2003
Title: Norihiko Miyata: Innovator in Magnetic Disk Polishing Technologies
Introduction
Norihiko Miyata is a prominent inventor based in Shiojiri, Japan. He has made significant contributions to the field of magnetic disk polishing technologies. With a total of 4 patents to his name, his work has been instrumental in enhancing the performance and quality of magnetic storage devices.
Latest Patents
Miyata's latest patents include a composition for polishing magnetic disk substrates. This invention aims to provide a composition that enables high-precision polishing suitable for use with magnetic heads that float at low levels. The polishing composition consists of alkali metal ions, abrasive grains, a carboxylic acid, an oxidizing agent, and an anti-gelling agent in an aqueous medium. Another notable patent is an abrasive composition for polishing magnetic recording disk substrates. This invention results in low surface roughness, allowing for high-density recording without the occurrence of protrusions or polishing scratches. The abrasive composition includes water, silicon dioxide, an anti-gelling agent, aluminum nitrate, and hydrogen peroxide.
Career Highlights
Throughout his career, Norihiko Miyata has worked with various companies, including Showa Denko Kabushiki Kaisha. His expertise in polishing technologies has made him a valuable asset in the industry.
Collaborations
Miyata has collaborated with notable individuals such as Ken Ishitobi and Kiyoshi Tada. Their combined efforts have contributed to advancements in the field of magnetic disk technology.
Conclusion
Norihiko Miyata's innovative work in magnetic disk polishing technologies has significantly impacted the industry. His patents reflect a commitment to improving the quality and efficiency of magnetic storage devices.