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For the Inventor, By the Inventor

Tokyo, Japan

Kouji Tokita

This inventor holds 4 USPTO granted patents. Top assignee: Tdk Corporation. Active years: 2010-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Tokita. Retrieved from https://idiyas.com/inventor/kouji-tokita

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

USPTO Granted Patents = 4

% Patents Active = 75.0

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:

goldMedal4 out of 8,267 
 
Tdk Corporation
 patents

Years Active: 2010-2015

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4 patents (USPTO):Explore Patents
1. 8993171 - Active material, electrode containing the active material, lithium secondary battery including the electrode, and method for making active material (2015-03-31),
2. 8734987 - Active material, electrode containing same, lithium-ion secondary battery with the electrode, and method of manufacturing active material (2014-05-27),
3. 8734539 - Method of manufacturing active material containing vanadium and method of manufacturing lithium-ion secondary battery containing such active material (2014-05-27),
4. 7744954 - Method of producing a powder, powder, and multilayered ceramic capacitor using the same (2010-06-29),

Title: Kouji Tokita: Innovator in Lithium-Ion Battery Technology

Introduction

Kouji Tokita is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of lithium-ion battery technology, holding a total of 4 patents. His work focuses on developing active materials and electrodes that enhance the performance of lithium secondary batteries.

Latest Patents

Kouji Tokita's latest patents include innovative methods for creating active materials and electrodes. These patents aim to provide an active material that achieves sufficient discharge capacity. His inventions encompass a lithium secondary battery that includes the electrode and a method for producing the active material. The manufacturing process involves a temperature elevation step, where a mixture containing a lithium source, a pentavalent vanadium source, a phosphoric acid source, water, and a reductant is heated in a hermetically sealed container. The method specifies a temperature elevation rate from 25°C to 110°C, followed by a second rate from 110°C to a designated temperature of 200°C or more.

Career Highlights

Kouji Tokita is associated with TDK Corporation, where he continues to innovate in the field of battery technology. His work has been instrumental in improving the discharge capacity and rate characteristics of lithium-ion secondary batteries.

Collaborations

He collaborates with notable colleagues, including Keitaro Otsuki and Atsushi Sano, to further advance the technology in this field.

Conclusion

Kouji Tokita's contributions to lithium-ion battery technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in energy storage solutions.

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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