Location History:
- Mito, JP (2010)
- Naka-gun, JP (2017)
- Osaka, JP (1990 - 2020)
Company Filing History:
4 out of 1,530 
2 out of 82 
1 out of 13,319 Years Active: 1990-2025
Title: Reiko Izumi: Innovator in Battery Technology and Insulated Wire Manufacturing
Introduction
Reiko Izumi is a prominent inventor based in Osaka, Japan, known for her significant contributions to the fields of battery technology and insulated wire manufacturing. With a total of seven patents to her name, she has made remarkable advancements that enhance the efficiency and functionality of electrical components.
Latest Patents
One of her latest patents is for an electrode for secondary batteries and the method for producing the same. This innovative electrode features a core material made from a metal foil that softens at temperatures equal to or less than 200° C. The electrode mixture sheet, which includes an active material and a fibrous binder, is bonded to the core material's surface. Notably, the active material penetrates the core material, achieving a maximum bite depth of at least 30% of the core's thickness. The fibrous binder may consist primarily of polytetrafluoroethylene.
Another significant patent involves an insulated wire with a soldered portion and the method for manufacturing it. This insulated wire comprises an insulating coating on a conductive wire body, along with a soldered portion for electric conduction. The soldered portion is created by applying dicarboxylic acid to the insulating coating's surface and performing solder plating while the acid is attached. The manufacturing method includes a surface treatment step for the insulating coating and a soldering step that involves immersing the treated portion in heated solder melt.
Career Highlights
Reiko has worked with notable companies such as Mitsubishi Materials Corporation and Rohto Pharmaceutical Co., Ltd. Her experience in these organizations has allowed her to develop and refine her innovative ideas, contributing to her success as an inventor.
Collaborations
Throughout her career, Reiko has collaborated with esteemed colleagues, including Kiyotsugu Higashi and Shigeru Kametaka. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Reiko Izumi's contributions to battery technology and insulated wire manufacturing exemplify her innovative spirit and dedication to advancing electrical engineering. Her patents reflect her commitment to improving the efficiency and performance of essential components in modern technology.