This inventor holds 5 USPTO granted patents. Top assignees: Showa Aluminium Kabushiki Kaisha, Showa Aluminum Corporation, Showa Aluminum Kabushiki Kaisha. Active years: 1983-1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sakai, JP (1983)
- Sakaishi, JP (1985)
- Osaka, JP (1983 - 1989)
Company Filing History:
2 out of 3 
2 out of 152 
1 out of 53 Years Active: 1983-1989
Title: The Innovations of Kozo Arai: Pioneering Advancements in Aluminum Foil Technology
Introduction
Kozo Arai, an accomplished inventor based in Osaka, Japan, is known for his significant contributions to the field of electrolytic capacitors through innovative aluminum alloy foil technologies. With a total of five patents to his name, Arai has made groundbreaking advancements that have improved the performance and durability of electrical components.
Latest Patents
One of Arai's notable patents is the "Aluminum alloy foil for cathode of electrolytic capacitors." This patent describes an aluminum alloy foil produced from a continuously cast aluminum alloy plate containing 0.03 to 0.5% copper, which enhances the efficiency of electrolytic capacitors. Another significant invention includes the "Process for treating surface of aluminum foil for use as electrode." This innovative process increases the surface area of aluminum foil to maximize its effectiveness as an electrode. The treatment involves three critical steps: pre-etching treatment using an aqueous solution of chromic acid, intermediate nitric acid treatment to remove chromate films, and post-etching treatment conducted electrolytically in a hydrochloric acid solution.
Career Highlights
Throughout his career, Arai has worked with prominent companies in the aluminum industry, such as Showa Aluminium Kabushiki Kaisha and Showa Aluminum Corporation. His experiences at these organizations have allowed him to refine his expertise and foster an environment conducive to innovation.
Collaborations
Kozo Arai has collaborated with skilled professionals in his field, including coworkers Hideo Shingu and Takao Suzuki. Their combined efforts have propelled advancements in aluminum foil technology and contributed to Arai's successful patent portfolio.
Conclusion
As an inventor, Kozo Arai has demonstrated remarkable ingenuity and dedication to advancing the technology of aluminum foil used in electrolytic capacitors. His patented innovations play a crucial role in enhancing the efficiency and performance of electrical components, leaving a lasting impact on the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile