Location History:
- Otokuni-gun, JP (2008)
- Kyoto-fu, JP (2005 - 2009)
Company Filing History:
Years Active: 2005-2009
Title: Inventor Profile: Hideaki Watanabe from Kyoto, Japan
Introduction
Hideaki Watanabe is an accomplished inventor based in Kyoto-fu, Japan, known for his significant contributions to the field of magnetic materials. With five patents to his name, Watanabe has made noteworthy advancements, particularly in magnetic powders and recording mediums that are essential for data storage technologies.
Latest Patents
Among his latest patented inventions is a magnetic powder characterized by substantially spherical or ellipsoidal particles consisting of a transition metal that includes iron and a rare earth element predominantly located in the outer layer of the magnetic powder particles. This magnetic powder boasts a particle size ranging from 5 to 200 nm, a coercive force between 80 to 400 kA/m, and saturation magnetization figures of 10 to 25 µWb/g.
Additionally, Watanabe has developed a magnetic recording medium that utilizes such magnetic powder. This recording medium features a non-magnetic support with at least one primer layer, comprising a mixture of non-magnetic powder and binder resin. The magnetic layer, which is formed on the primer, contains the rare earth metal-iron type magnetic powder, achieving an average particle size of 5 to 50 nm and an average axis ratio of 1 to 2. Remarkably, the total thickness of this medium measures less than 6 µm, enabling an excellent block error rate.
Career Highlights
Watanabe’s career is marked by his role at Hitachi Maxell, Ltd., a renowned company in the electronics sector where he has been able to harness his innovative capabilities. His inventions not only advance technology but also contribute significantly to the improvement of existing magnetic materials used in various industries.
Collaborations
Throughout his career, Watanabe has collaborated with other talented inventors, including Mikio Kishimoto and Yuji Sasaki. These collaborations have enriched his research and development efforts, leading to advancements in magnetic technologies and enhancing the overall effectiveness of their inventions.
Conclusion
Hideaki Watanabe exemplifies the spirit of innovation in the field of magnetic materials. His contributions, particularly in the area of magnetic powder and recording mediums, reflect a dedication to advancing technology for better data storage solutions. As a key player at Hitachi Maxell, Limited, Watanabe’s work continues to shape the future of magnetic materials, making a lasting impact in the industry.