This inventor holds 24 USPTO granted patents and 1 EPO patent, primarily in Lithium Battery Technology. Top assignees: Japan Storage Battery Co., Ltd., Murata Manufacturing Co., Ltd., W. L. Gore & Associates, Inc.. Active years: 1980-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Shiga-ken, JP (2003)
- Kyoto, JP (1980 - 2018)
- Nagaokakyo, JP (2023)
Company Filing History:


Years Active: 1980-2023
Areas of Expertise:
Title: Innovations of Yuko Fujita in the Field of Ferrite Technologies
Introduction
Yuko Fujita, a prominent inventor based in Kyoto, Japan, is known for his significant contributions in the field of ferrite technologies. With an impressive portfolio of 24 patents, he has made notable advancements that enhance electronic components and devices.
Latest Patents
Among his most recent innovations are two critical patents focused on ferrite materials. The first patent features a ferrite sintered body composed of iron (Fe), manganese (Mn), zinc (Zn), copper (Cu), and nickel (Ni). This sintered body is carefully formulated to meet specific molar percentages, ensuring optimal performance in various applications. The second patent presents a novel non-reciprocal circuit element that improves electric power handling capability while minimizing leakage power between channels. This design seeks to balance noise reduction with insertion loss, utilizing a YIG ferrite component with enhanced material properties through strategic substitutions.
Career Highlights
Yuko Fujita has held key positions at renowned companies, such as Japan Storage Battery Co., Ltd. and Murata Manufacturing Co., Ltd. His work at these organizations underlines his commitment to advancing technology in the electronics sector, particularly in the area of ferrite-based components.
Collaborations
In his career, Fujita has collaborated with other notable researchers, including Khalil Amine and Hideo Yasuda. These partnerships have enabled him to leverage diverse expertise, fostering the development of innovative products that advance the industry.
Conclusion
Yuko Fujita's extensive patent portfolio and innovative spirit position him as a significant figure in the realm of electronic materials. His recent patents not only showcase his technical prowess but also highlight his dedication to improving the performance and reliability of electronic devices. As the industry continues to evolve, Yuko Fujita's contributions will undoubtedly play a key role in shaping the future of ferrite technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile