This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Tohoku University, Ricoh Company, Ltd., Toda Kogyo Corporation. Active years: 2010-2016.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Miyagi, JP (2010 - 2011)
- Sendai, JP (2016)
Company Filing History:
3 out of 1,054 
2 out of 28,957 
1 out of 390 Years Active: 2010-2016
Title: Tomoyuki Ogawa: Innovator in Ferromagnetic Technologies
Introduction
Tomoyuki Ogawa is a notable inventor based in Miyagi, Japan. He has made significant contributions to the field of ferromagnetic materials, holding a total of 3 patents. His work focuses on the development of advanced magnetic particles and information recording technologies.
Latest Patents
Ogawa's latest patents include innovative technologies such as ferromagnetic particles and processes for producing them. One of his notable inventions involves anisotropic magnets, bonded magnets, and compacted magnets. These ferromagnetic particles contain an FeN compound phase in an amount of not less than 80%, as measured by Mössbauer spectrum. Each particle features an outer shell where FeO is present in the form of a film with a thickness of no more than 5 nm. The production process involves treating iron oxide or iron oxyhydroxide to create aggregated particles, followed by hydrogen reducing treatment and nitridation treatment at specific temperatures. Additionally, he has developed an information recording apparatus that utilizes fine particles forming an array on a plane, which includes a ferromagnetic metal and a light-emitting device for exciting near-field light.
Career Highlights
Throughout his career, Ogawa has worked with esteemed institutions such as Tohoku University and Ricoh Company, Ltd. His research and innovations have significantly impacted the field of information technology and materials science.
Collaborations
Ogawa has collaborated with notable colleagues, including Migaku Takahashi and Masakiyo Tsunoda. Their joint efforts have contributed to advancements in ferromagnetic technologies and information recording methods.
Conclusion
Tomoyuki Ogawa's contributions to the field of ferromagnetic materials and information technology highlight his innovative spirit and dedication to research. His patents reflect a commitment to advancing technology and improving the efficiency of information recording systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile