This inventor holds 9 USPTO granted patents. Top assignees: Showa Aluminum Corporation, Kdk Corporation, Showa Aluminum Kabushiki. Active years: 1984-2000.
Location History:
- Sakai, JP (1984 - 1990)
- Nara, JP (1986 - 2000)
Company Filing History:
8 out of 152 
1 out of 2 
1 out of 1 Years Active: 1984-2000
Title: Eizo Isoyama: Innovator in Aluminum Electrode Technology
Introduction
Eizo Isoyama is a prominent inventor based in Nara, Japan, known for his significant contributions to the field of aluminum electrode technology. With a total of nine patents to his name, Isoyama has made remarkable advancements that have impacted the manufacturing of electrolytic capacitors.
Latest Patents
Isoyama's latest patents include innovative designs for aluminum electrode foils used in electrolytic capacitors. One of his notable inventions is an aluminum electrode foil that features a sponge-like etching layer on at least one surface. This layer is reduced in thickness, with an aluminum density ranging from 0.8 to 2.2 g/cm³. Another significant patent involves a raw aluminum foil designed for preparing electrolytic condenser electrodes, which boasts an aluminum purity of 99.9% or higher and contains 50-500 ppm of magnesium. The method of etching this raw foil includes a primary etching step in an aqueous bath with specific concentrations of hydrochloric and sulfuric acids, followed by a secondary etching process.
Career Highlights
Throughout his career, Eizo Isoyama has worked with notable companies such as Showa Aluminum Corporation and Showa Aluminum Kabushiki. His work has been instrumental in advancing the technology behind aluminum foils used in various electronic applications.
Collaborations
Isoyama has collaborated with esteemed colleagues, including Tadao Fujihira and Yutaka Kato, contributing to the development of innovative solutions in the field of aluminum electrodes.
Conclusion
Eizo Isoyama's contributions to aluminum electrode technology have established him as a key figure in the industry. His patents reflect a commitment to innovation and excellence in engineering.