Koji Ishiwa

Title: The Innovations of Koji Ishiwa

Introduction

Koji Ishiwa is a notable inventor based in Yokohama, Japan. He is recognized for his contributions to the field of battery technology, particularly in the development of nickel-metal hydride secondary cells. His innovative work has led to advancements in energy storage solutions.

Latest Patents

Ishiwa holds a patent for a nickel-metal hydride secondary cell. This invention features a non-sinter type nickel positive electrode, which is housed in an enclosure. The positive electrode consists of a conductive core and a layer made from a mixture of nickel hydroxide powder and cobalt monoxide powder, covered with a layer of high-valence cobalt oxide. The negative electrode is a hydrogen-absorbing alloy, also structured with a conductive core and a layer made from a mixture of hydrogen-absorbing alloy powder and carbon black. The separator is made of synthetic resin unwoven fabric, ensuring efficient operation of the cell.

Career Highlights

Throughout his career, Koji Ishiwa has worked with prominent companies in the battery industry, including Toshiba Battery Co., Ltd. and Kabushiki Kaisha Toshiba. His experience in these organizations has significantly contributed to his expertise in battery technology and innovation.

Collaborations

Ishiwa has collaborated with notable colleagues such as Hiroyuki Hasebe and Kazuta Takeno. Their teamwork has fostered advancements in the field of energy storage and battery development.

Conclusion

Koji Ishiwa's contributions to the field of battery technology, particularly through his patent for a nickel-metal hydride secondary cell, highlight his innovative spirit and dedication to advancing energy solutions. His work continues to influence the industry and pave the way for future developments.