Location History:
- Ageo, JP (2015 - 2017)
- Saitama, JP (2019)
Company Filing History:
4 out of 817 
1 out of 16,453 
Years Active: 2015-2019
Title: Masaharu Myoi: Innovator in Electrolytic Copper Foil Technology
Introduction
Masaharu Myoi is a prominent inventor based in Ageo, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced copper foils for electronic applications. With a total of four patents to his name, Myoi's work has had a substantial impact on the electronics industry.
Latest Patents
One of Myoi's latest patents is for an electrolytic copper foil and its manufacturing method. This innovation provides a high gloss electrodeposited copper foil that can be produced in a short time. The foil features a fraction of the areas occupied by the {100} plane deviating by 18° or less from the <001> crystal orientation of 10% or more, as determined by electron backscatter diffraction (EBSD). Additionally, at least one surface of the foil boasts a glossiness G(20°) of 1,500 or more, in accordance with JIS Z 8741-1997.
Another notable patent involves a metal foil suitable for use as an electrode substrate in electronic elements. This invention effectively suppresses oxidation of the ultra-smooth surface and prevents roll scratches during winding. The metal foil is composed of copper or a copper alloy, featuring an ultra-smooth front surface profile with an arithmetic mean roughness Ra of 30 nm or less, as determined by JIS B 0601-2001. The back surface has a concave-dominant profile with a Pv/Pp ratio of 1.5 or more.
Career Highlights
Throughout his career, Masaharu Myoi has worked with several notable companies, including Mitsui Mining & Smelting Company, Ltd. and Panasonic Corporation. His experience in these organizations has allowed him to refine his expertise in materials science and contribute to innovative projects.
Collaborations
Myoi has collaborated with esteemed colleagues such as Yoshinori Matsuura and Toshimi Nakamura. These partnerships have fostered a collaborative environment that has led to the advancement of technology in the field of electronics.
Conclusion
Masaharu Myoi's contributions to the development of electrolytic copper foils and metal substrates have positioned him as a key figure in the electronics industry. His innovative patents reflect his commitment to advancing technology and improving manufacturing processes.
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.