Location History:
- Kitaadachi-gun, JP (2000)
- Kitaadathigun, JP (2001)
- Ageo, JP (2003)
- Wako, JP (2001 - 2006)
- Saitama-ken, JP (2002 - 2009)
- Saitama, JP (1995 - 2016)
Company Filing History:
7 out of 817 
6 out of 10,092 
3 out of 21,831 
Years Active: 1995-2016
Title: Hisao Sakai: Innovator in Electro-deposited Copper Foil Technology
Introduction
Hisao Sakai is a prominent inventor based in Saitama, Japan, known for his significant contributions to the field of electro-deposited copper foil technology. With a total of 17 patents to his name, Sakai has made remarkable advancements that enhance the mechanical strength and surface quality of copper foils used in various applications.
Latest Patents
Sakai's latest patents include innovations such as electro-deposited copper foil, surface-treated copper foil utilizing the electro-deposited copper foil, and copper clad laminate employing the surface-treated copper foil. His inventions focus on providing electro-deposited copper foil with a low-profile surface comparable to conventional low-profile options while achieving exceptional mechanical strength. The manufacturing process involves depositing fine copper crystal grains with minimal diameter deviation, resulting in a glossy surface and high tensile strength. The electro-deposited copper foil is produced through electrolysis using a sulfuric acid-based copper electrolytic solution, which includes specific compounds to enhance its properties.
Career Highlights
Throughout his career, Hisao Sakai has worked with notable companies such as Mitsui Mining & Smelting Company, Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing advanced materials and manufacturing techniques.
Collaborations
Sakai has collaborated with esteemed colleagues, including Makoto Dobashi and Mitsuyoshi Matsuda, to further his research and development efforts in the field of electro-deposited copper foil technology.
Conclusion
Hisao Sakai's innovative work in electro-deposited copper foil technology has significantly impacted the industry, showcasing his dedication to advancing material science. His contributions continue to influence the development of high-performance copper foils for various applications.
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.