This inventor holds 4 USPTO granted patents. Top assignee: Victor Company of Japan, Limited. Active years: 1986-1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1986-1989
Title: Hirokazu Moriizumi: Innovator in Magnetic Recording Technologies
Introduction
Hirokazu Moriizumi is a notable inventor based in Mito, Japan. He has made significant contributions to the field of magnetic recording mediums, holding a total of 4 patents. His work focuses on enhancing the performance and efficiency of magnetic recording technologies.
Latest Patents
Moriizumi's latest patents include innovative designs for magnetic recording mediums. One of his patents describes magnetic recording mediums comprising a modified vinyl chloride resin. This medium features a non-magnetic support with a magnetic recording layer formed on one side. The magnetic recording layer consists of a magnetic powder dispersed in a specific type of vinyl chloride resin that contains a --SO.sub.3 M group, where M represents a monovalent metal or NH.sub.4, along with an epoxy group in the molecule. Additionally, a back coat layer made from the same type of vinyl chloride resin may be formed on the opposite side of the support.
Another patent focuses on a magnetic recording medium that includes a back coat layer. This medium consists of a non-magnetic support, a magnetic recording layer on one side, and a back coat layer on the other side. The back coat layer is composed of a dispersion of non-magnetic particles, which are adsorbed with carbon black that has an average size not larger than 100 millimicrons and a specific surface area of at least 30 m²/g.
Career Highlights
Moriizumi is currently employed at the Victor Company of Japan, Limited, where he continues to develop innovative technologies in magnetic recording. His expertise and dedication to research have positioned him as a key figure in his field.
Collaborations
Throughout his career, Moriizumi has collaborated with esteemed colleagues such as Akira Horiguchi and Isao Sasaki. These partnerships have contributed to the advancement of magnetic recording technologies and have fostered a collaborative environment for innovation.
Conclusion
Hirokazu Moriizumi's contributions to magnetic recording mediums demonstrate his commitment to innovation and excellence in technology. His patents reflect a deep understanding of materials and their applications in the recording industry. Moriizumi's work continues to influence the field and inspire future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile