Location History:
- Ichihara, JP (1996 - 2000)
- Chiba, JP (2004 - 2006)
Company Filing History:
Years Active: 1996-2006
Title: Hiroshi Ohsawa: Innovator in Magnetic Recording Technology
Introduction
Hiroshi Ohsawa is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 6 patents. His work has advanced the understanding and production of magnetic recording media, which are essential for data storage.
Latest Patents
Ohsawa's latest patents include innovations in magnetic recording media and their production processes. One of his key inventions relates to a magnetic recording medium that exhibits excellent magnetic characteristics. This invention also details a method for producing such media, where multiple targets are sputtered in a sequential order to create non-magnetic and magnetic films on a substrate. Another patent describes a magnetic recording medium that consists of a non-metallic substrate, an amorphous metallic film, a crystal-structure-regulating film of NiP-based alloy, and both non-magnetic undercoat and magnetic films. The crystal-structure-regulating film is designed to have a thickness of 50 nm or less, while the combined thickness of the amorphous metallic film and the crystal-structure-regulating film is at least 60 nm.
Career Highlights
Throughout his career, Hiroshi Ohsawa has worked with prominent companies, including Showa Denko Kabushiki Kaisha and Showa Denko K.K. His expertise in magnetic recording technology has positioned him as a key figure in the industry, contributing to advancements that have practical applications in various fields.
Collaborations
Ohsawa has collaborated with notable colleagues such as Hiroyuki Watanabe and Shin-ichi Ogawa. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Hiroshi Ohsawa's contributions to magnetic recording technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the field, paving the way for future advancements in data storage solutions.