This inventor holds 23 USPTO granted patents and 14 published patent applications, primarily in Magnetic Recording Technology. Top assignees: Fujifilm Corporation, Fujifilm Cornoration, Osaka University. Active years: 2009-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanagawa-Ken, JP (2016)
- Ashigarakami-gun, JP (2011 - 2019)
- Minami-ashigara, JP (2009 - 2023)
- Kanagawa, JP (2013 - 2023)
Company Filing History:
22 out of 16,980 
1 out of 5 
1 out of 1,044 
Years Active: 2009-2023
Areas of Expertise:
Title: Kenji Naoi: Innovator in Magnetic Materials
Introduction
Kenji Naoi, based in Minami-Ashigara, Japan, is a distinguished inventor with an impressive portfolio of 23 patents. His work primarily focuses on advancements in magnetic materials and recording technologies, contributing significantly to the field.
Latest Patents
Among his notable inventions, Naoi holds patents for a hexagonal strontium ferrite powder, a magnetic recording medium, and a magnetic recording and reproducing apparatus. The hexagonal strontium ferrite powder showcases an average particle size ranging from 10.0 to 25.0 nm. It includes a specific content of atoms such as gallium, scandium, indium, and antimony, contributing to its coercivity characteristics. His magnetic recording medium integrates this innovative powder, comprising a non-magnetic support and a magnetic layer that enhances recording capabilities. Moreover, Naoi's recording device demonstrates a unique approach by applying an external magnetic field and utilizing a light irradiation unit to facilitate advanced magnetization techniques.
Career Highlights
Naoi's professional journey includes significant tenures at prominent organizations such as Fujifilm Corporation. His expertise has driven him to the forefront of magnetic material innovation, where he has repeatedly demonstrated his dedication to research and development in this niche.
Collaborations
Throughout his career, Naoi has collaborated with esteemed colleagues, including Masashi Shirata and Takashi Fujimoto. Their combined efforts have further advanced the research and applications of magnetic technologies.
Conclusion
Kenji Naoi's contributions to the realm of magnetic materials and recording technologies have established him as a pivotal figure in the industry. With his extensive patent portfolio and collaborative spirit, Naoi continues to inspire innovations that push the boundaries of technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile