Location History:
- Ageo, JP (2002)
- Omiya, JP (2001 - 2003)
Company Filing History:
Years Active: 2001-2003
Title: Kazuhisa Fujiwara: Innovator in Copper Foil Technology
Introduction
Kazuhisa Fujiwara is a notable inventor based in Omiya, Japan. He has made significant contributions to the field of materials science, particularly in the development of copper foil technologies. With a total of 3 patents to his name, Fujiwara's work has had a substantial impact on the electronics industry.
Latest Patents
One of Fujiwara's latest patents is for a copper foil designed for printed wiring boards that boasts excellent chemical and heat resistance. This invention features a copper foil with an alloy layer comprising copper, zinc, tin, and nickel, which is formed on the surface that contacts the substrate. This innovative design ensures that even long-term stored copper foils exhibit minimal corrosion when in contact with chemicals. Additionally, it maintains sufficient bond strength when interacting with varnishes containing organic acids.
Another significant patent involves a method for winding copper foil onto a core tube. This method aims to minimize wrinkles near the core tube of the copper foil roll, thereby enhancing the winding balance. The process utilizes a pressure-sensitive double-sided adhesive tape to splice the copper foil to the core tube, resulting in a well-formed roll.
Career Highlights
Kazuhisa Fujiwara is currently employed at Mitsui Mining & Smelting Company, Ltd., where he continues to innovate in the field of copper foil technology. His work has been instrumental in advancing the quality and performance of materials used in electronic applications.
Collaborations
Fujiwara has collaborated with several talented individuals in his field, including Hiroshi Tan and Mitsuo Fujii. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
Kazuhisa Fujiwara's contributions to copper foil technology exemplify the importance of innovation in the electronics industry. His patents reflect a commitment to enhancing material performance and reliability, making him a key figure in his field.
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.