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For the Inventor, By the Inventor

Fujisawa, Japan

Toshio Ando

This inventor holds 6 USPTO granted patents. Top assignee: Victor Company of Japan, Limited. Active years: 1987-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Ando. Retrieved from https://idiyas.com/inventor/toshio-ando-2is93me5

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 44(Granted Patents)


Location History:

  • Fujisawa, JP (1987 - 1994)
  • Kamakura, JP (2002)

Company Filing History:

goldMedal6 out of 2,887 
 
Victor Company of Japan, Limited
 patents

Years Active: 1987-2002

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6 patents (USPTO):Explore Patents
1. 6395413 - Perpendicular magnetic recording medium (2002-05-28),
2. 5316631 - Method for fabricating a magnetic recording medium (1994-05-31),
3. 4743348 - Magnetic medium for horizontal magnetization recording and method for (1988-05-10),
4. 4711810 - Magnetic medium for horizontal magnetization recording and method for (1987-12-08),
5. 4680218 - Magnetic recording medium (1987-07-14),
6. 4664976 - Magnetic recording medium comprising a protective carbon nitride layer (1987-05-12),

Title: Toshio Ando: Innovator in Magnetic Recording Technology

Introduction

Toshio Ando is a prominent inventor based in Fujisawa, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 6 patents. His work focuses on enhancing the performance and stability of magnetic recording media.

Latest Patents

One of his latest patents is for a perpendicular magnetic recording medium. This medium boasts excellent thermal stability of the recorded signal and a low medium noise, making it highly effective for data storage. The design features a perpendicular magnetic recording layer with a hexagonal closest packing (hcp) structure, ensuring that the c-axis is perpendicular to the surface of the layer. This innovative approach allows for the formation of a recording layer that has a saturation magnetization Ms of not more than 400 emu/cc and a lattice constant c of the hexagonal closest packing structure not exceeding 4.07 Å. Another notable patent involves a method for fabricating a magnetic recording medium, which includes a Cr undercoat layer and a Co alloy thin film. This method significantly improves the coercive force of the medium by incorporating oxygen into either the Cr undercoat layer or the Co alloy thin film.

Career Highlights

Toshio Ando is currently employed at the Victor Company of Japan, Limited, where he continues to innovate in the field of magnetic recording technology. His work has been instrumental in advancing the capabilities of recording media, making them more efficient and reliable.

Collaborations

Throughout his career, Ando has collaborated with notable colleagues, including Toshikazu Nishihara and Akihiro Kimura. These partnerships have contributed to the development of cutting-edge technologies in magnetic recording.

Conclusion

Toshio Ando's contributions to magnetic recording technology have established him as a key figure in the field. His innovative patents and collaborations reflect his commitment to advancing technology and improving data storage solutions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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