Location History:
- Tomobe, JA (1977)
- Asahi, JA (1977)
- Ibaragi, JP (1979 - 1980)
- Tomobe, JP (1980)
- Nishiibaragi, JP (1980)
Company Filing History:
5 out of 522 
4 out of 39,228 
Years Active: 1977-1980
Title: Seizi Hattori: Innovator in Magnetic Recording Technology
Introduction
Seizi Hattori is a notable inventor based in Ibaraki, 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 is crucial for data storage.
Latest Patents
Hattori's latest patents include innovative methods and materials for magnetic recording media. One of his key inventions is a magnetic recording medium and the process for producing it. This invention features a thin film of ferrite that incorporates copper (Cu) and titanium (Ti), or copper, titanium, and cobalt (Co). The inclusion of titanium extends the upper limit of the temperature range for reducing alpha-Fe2O3 to Fe3O4, while copper lowers the lower limit of this range. Additionally, the combination of titanium and copper allows for the stable production of gamma-Fe2O3 over a wide temperature range. The inclusion of cobalt enhances the magnetic properties of the ferrite. Another significant patent is a method for producing gamma-Fe2O3 magnetic disk medium as a continuous thin film. This method utilizes a reactive vacuum deposition technique on an aluminum-alloy substrate, followed by thermal treatment to create the magnetic disk medium.
Career Highlights
Throughout his career, Seizi Hattori has worked with prominent companies in the technology sector. He has been associated with Nippon Telegraph and Telephone Public Corporation and Fujitsu Corporation. His experience in these organizations has contributed to his expertise in magnetic recording technologies.
Collaborations
Hattori has collaborated with notable colleagues in his field, including Yoshikazu Ishii and Nobuo Inagaki. These collaborations have likely enriched his research and development efforts, leading to innovative solutions in magnetic recording.
Conclusion
Seizi Hattori's contributions to magnetic recording technology are significant and impactful. His patents reflect a deep understanding of materials and processes that enhance data storage capabilities. His work continues to influence the field and pave the way for future innovations.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.