Toride, Japan

Kohji Takenaka

This inventor holds 8 USPTO granted patents and 4 published patent applications and 2 EPO patents. Top assignee: Canon Kabushiki Kaisha. Active years: 2016-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohji Takenaka. Retrieved from https://idiyas.com/inventor/kohji-takenaka

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

USPTO Granted Patents = 8 

% Patents Active = 87.5

 

Average Co-Inventor Count = 8.2

ph-index = 6

Forward Citations = 229(Granted Patents)


Location History:

  • Toride, JP (2016 - 2023)
  • Ibaraki, JP (2023)

Company Filing History:


Years Active: 2016-2023

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8 patents (USPTO):Explore Patents

Title: Kohji Takenaka: Innovator in Toner Technology

Introduction

Kohji Takenaka is a prominent inventor based in Toride, Japan, known for his significant contributions to the field of toner technology. With a total of eight patents to his name, he has made remarkable advancements that have impacted the printing industry.

Latest Patents

Among his latest innovations, Takenaka has developed a toner that includes a toner particle comprising a binder resin and a crystalline polyester. This toner features a binder resin that contains a polyester with a specific structure, enhancing its performance. Additionally, he has created a liquid developer that consists of a toner particle containing binder resin, a carrier liquid, and a basic toner particle dispersing agent. This formulation is designed to optimize the dispersion of toner particles, ensuring high-quality printing results.

Career Highlights

Kohji Takenaka has built a successful career at Canon Kabushiki Kaisha, where he has been instrumental in advancing toner technology. His work has not only contributed to the company's reputation but has also set new standards in the industry.

Collaborations

Throughout his career, Takenaka has collaborated with notable colleagues, including Takakuni Kobori and Takeshi Hashimoto. These partnerships have fostered innovation and have led to the development of cutting-edge technologies in the field.

Conclusion

Kohji Takenaka's contributions to toner technology exemplify his dedication to innovation and excellence. His patents and collaborations continue to influence the printing industry, showcasing the importance of research and development in creating advanced 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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