Shiga, Japan

Kozo Kajita

This inventor holds 8 USPTO granted patents, plus 1 CIPO patent. Top assignees: Hitachi Maxell, Limited, Ovonic Battery Company, Inc.. Active years: 1978-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kozo Kajita. Retrieved from https://idiyas.com/inventor/kozo-kajita

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 = 4.0

ph-index = 7

Forward Citations = 133(Granted Patents)


Location History:

  • Ibaraki, JP (1978)
  • Osaka, JP (1981)
  • Shiga, JP (1989 - 1994)

Company Filing History:


Years Active: 1978-1994

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8 patents (USPTO):Explore Patents

Title: The Innovations of Kozo Kajita

Introduction

Kozo Kajita is a prominent inventor based in Shiga, Japan. He has made significant contributions to the field of electrochemical technologies, holding a total of 8 patents. His work focuses on improving the performance and stability of energy storage solutions.

Latest Patents

Kajita's latest patents include an organic electrolyte solution type cell. This innovative cell utilizes an electrolytic solution of a lithium salt in a polar solvent, which comprises a compound with both organophobic and organophilic groups. This design enhances storage stability and provides excellent charge-discharge characteristics. Another notable patent is for an electrode alloy that features decreased hydrogen overpressure. This electrochemical hydrogen storage alloy is composed of various elements, including vanadium, nickel, titanium, and zirconium, among others. The alloy's atomic ratio of vanadium to zirconium ranges from 1:2.26 to 1:0.68, optimizing its operational parameters. Additionally, he has developed an electrochemical hydrogen storage alloy with a reduced self-discharge rate, characterized by a heterogeneous, disordered microstructure that limits hydrogen discharge.

Career Highlights

Throughout his career, Kozo Kajita has worked with notable companies such as Hitachi Maxell, Limited and Ovonic Battery Company, Inc. His experience in these organizations has allowed him to refine his expertise in energy storage technologies and contribute to advancements in the field.

Collaborations

Kajita has collaborated with esteemed colleagues, including Yoshio Uetani and Akio Shimizu. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Kozo Kajita's contributions to electrochemical technologies and energy storage solutions have made a significant impact in the industry. His innovative patents and collaborations highlight his dedication to advancing the field.

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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