Sayama, Japan

Keiji Akuto

This inventor holds 2 USPTO granted patents. Top assignee: Nippon Telegraph and Telephone Corporation. Active years: 1989-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Akuto. Retrieved from https://idiyas.com/inventor/keiji-akuto

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 69(Granted Patents)


Company Filing History:


Years Active: 1989-1994

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2 patents (USPTO):Explore Patents

Title: Keiji Akuto: Innovator in Battery Technology

Introduction

Keiji Akuto is a prominent inventor based in Sayama, Japan, known for his contributions to battery technology. With a total of 2 patents, Akuto has made significant strides in developing innovative energy solutions.

Latest Patents

One of Akuto's latest inventions is the photochargeable air battery. This battery features a negative electrode that discharges through the oxidation of a metal material, while the positive electrode comprises an oxygen catalyst. The electrolyte fills the battery case, allowing for efficient energy storage and discharge. The unique design includes a light receptor that injects light into the negative electrode, enabling charging through light irradiation. This innovative approach simplifies the battery's construction, eliminating the need for a large amount of electrolyte or a switch.

Another notable patent is for a secondary battery that has positive and negative electrode members arranged on a similar plane. The design allows for a sealed chamber that contains the electrodes and electrolyte, facilitating efficient energy storage. The manufacturing process involves the deposition of electrode materials, showcasing Akuto's commitment to advancing battery technology.

Career Highlights

Keiji Akuto is currently employed at Nippon Telegraph and Telephone Corporation, where he continues to work on innovative projects in the field of energy storage. His expertise and dedication to research have positioned him as a key figure in the development of advanced battery technologies.

Collaborations

Throughout his career, Akuto has collaborated with notable colleagues, including Naoki Kato and Tsutomu Ogata. These partnerships have contributed to the success of his projects and the advancement of battery technology.

Conclusion

Keiji Akuto's work in battery technology, particularly with his photochargeable air battery and secondary battery designs, highlights his innovative spirit and commitment to energy solutions. His contributions continue to influence the field and pave the way for future advancements.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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