Tokyo, Japan

Kenji Takaoka

This inventor holds 3 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignees: Hitachi Chemical Company, Ltd., Lg Energy Solution, Ltd.. Active years: 2019-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Takaoka. Retrieved from https://idiyas.com/inventor/kenji-takaoka

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

USPTO Granted Patents = 3 

% Patents Active = 33.3

 

Average Co-Inventor Count = 5.2

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2019-2025

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3 patents (USPTO):Explore Patents

Title: Kenji Takaoka: Innovator in Lithium-Ion Battery Technology

Introduction

Kenji Takaoka is a renowned inventor based in Tokyo, Japan, recognized for his significant contributions to lithium-ion battery technology. With a total of two patents to his name, Takaoka has played a pivotal role in advancing battery efficiency and performance.

Latest Patents

Takaoka's recent patents focus on enhancing the functionality and reliability of lithium-ion secondary batteries. His notable inventions include:

1. **Positive electrode for lithium-ion secondary battery**: This patent outlines a positive electrode that includes a positive electrode active material layer composed of insulating polyolefin particles and an electroconductive material.

2. **Electrode for lithium-ion secondary battery**: This invention details an electrode featuring an active material layer made of polyolefin particles along with a resin derived from a nitrile group-containing monomer.

3. **Binder resin composition, electrode for lithium-ion secondary battery, and lithium-ion secondary battery**: This disclosure introduces a binder resin composition made up of polyolefin particles, an organic solvent, and a soluble polymer that supports the creation of effective electrodes for use in lithium-ion batteries.

Career Highlights

Kenji Takaoka is currently affiliated with Hitachi Chemical Company, Ltd., where he continues to innovate in the field of battery technology. His work emphasizes the importance of materials science in developing efficient energy storage systems that are crucial for modern electronics and electric vehicles.

Collaborations

Within his role at Hitachi Chemical Company, Takaoka collaborates with talented coworkers such as Shunsuke Nagai and Hiroki Kuzuoka. Their combined expertise enhances the research and development efforts aimed at producing cutting-edge battery solutions.

Conclusion

Kenji Takaoka exemplifies the spirit of innovation within the field of lithium-ion battery technology. His patents demonstrate a commitment to improving battery performance and sustainability, making significant strides that aid in the development of more advanced energy solutions. Through his work, Takaoka is not only shaping the future of battery technology but also contributing to the broader field of energy efficiency.

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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