Wakayama, Japan

Koji Shimokusa

This inventor holds 11 USPTO granted patents and 3 EPO patents. Top assignee: Kao Corporation. Active years: 1994-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Shimokusa. Retrieved from https://idiyas.com/inventor/koji-shimokusa

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


% Patents Active = 90.9

 

Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 1994-2018

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11 patents (USPTO):Explore Patents

Title: Koji Shimokusa: Innovator in Electrostatic Imaging Technologies

Introduction

Koji Shimokusa is a prominent inventor based in Wakayama, Japan, known for his significant contributions to the field of electrostatic imaging technologies. With a remarkable portfolio of 11 patents, Shimokusa has made substantial advancements in the processes involved in toner manufacturing, impacting various applications within the industry.

Latest Patents

Among Koji Shimokusa's latest patents, two stand out due to their innovative approaches to toner production. The first patent focuses on a revolutionary process for manufacturing toner for developing electrostatic images. This process effectively suppresses the desorption and exposure of releasing agents, while enhancing fusing properties, durability, and minimizing toner clouding. The meticulous steps outlined in this invention involve mixing and emulsifying a releasing agent with a dispersion of resin particles, leading to the creation of coalesced particles primed for superior performance.

The second patent deals with a cutting-edge process for producing electrophotographic toner. This invention emphasizes the suppression of wax liberation from resin binders during toner production, enhancing low-temperature fusing properties and reducing the content of fine powders. The process intricately combines wax, resin emulsions, and oxazoline group-containing polymers to achieve exceptional results in the final fused particles used in various imaging technologies.

Career Highlights

Koji Shimokusa is associated with Kao Corporation, a leading company dedicated to innovation in consumer products, where his inventions play a critical role in advancing imaging solutions. His expertise and continued research efforts reflect a deep commitment to enhancing the performance and quality of toner used in electrostatic imaging.

Collaborations

Throughout his career, Shimokusa has collaborated with talented colleagues such as Koji Akiyama and Koji Kameyama. Their combined efforts and expertise contribute significantly to Kao Corporation's innovations in the toner manufacturing domain, fostering an environment of creativity and technical excellence.

Conclusion

Koji Shimokusa’s inventive spirit and dedication to improving toner production processes have been essential to the advancement of electrostatic imaging technologies. His patents not only highlight his ingenuity but also pave the way for future innovations within the industry, making him a noteworthy figure in the realm of invention and innovation.

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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