Wakayama, Japan

Katsutoshi Aoki

This inventor holds 28 USPTO granted patents and 1 EPO patent, primarily in Electrophotographic Toner. Top assignees: Kao Corporation, Nippon Paint Compnay, Ltd.. Active years: 1996-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsutoshi Aoki. Retrieved from https://idiyas.com/inventor/katsutoshi-aoki

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


% Patents Active = 92.9


Average Co-Inventor Count = 3.9

ph-index = 8

Forward Citations = 155(Granted Patents)


Company Filing History:


Years Active: 1996-2014

Loading Chart...
Loading Chart...
Areas of Expertise:
Electrophotographic Toner
Polyester Resin
Powder Coating
Binder Resin
Crystalline Polyester
Thermosetting Coating
Catalyst
Molding Composition
Condensation Polymerization
Encapsulated Toner
Heat-Cured Coating
Resin Composition
28 patents (USPTO):Explore Patents

Title: Innovations by Katsutoshi Aoki: A Patented Journey in Toner Technologies

Introduction: Katsutoshi Aoki, an inventor based in Wakayama, Japan, has made significant contributions to the field of toner technologies, evidenced by his impressive portfolio of 28 patents. His innovative work primarily focuses on polyester resins for toners used in electrophotography and related printing methods.

Latest Patents: Among his latest inventions, Aoki has developed a polyester resin for a toner, which is synthesized by polycondensing a carboxylic acid component with an alcohol component. Notably, this polyester resin incorporates a specified aromatic compound as either the carboxylic acid or alcohol component. Another significant patent outlines a resin binder for a toner, which utilizes the polyester resin and is tailored for electrophotographic applications. The toner for electrophotography he created is designed for developing latent images formed through electrophotography, electrostatic recording, and printing methods, highlighting its versatile utility in modern printing processes.

Career Highlights: Throughout his career, Aoki has made noteworthy contributions while working with prominent companies in the industry. His tenure at Kao Corporation and Nippon Paint Company, Ltd. provided him with a solid foundation in research and development that contributed to his patent portfolio. His inventions demonstrate a keen understanding of both chemical processes and their applications in practical technologies.

Collaborations: Katsutoshi Aoki has collaborated with esteemed colleagues, including Masayuki Maruta and Yasunori Inagaki. These collaborations have likely enriched his research and led to advancements in toner technology through shared insights and expertise.

Conclusion: Katsutoshi Aoki stands out as a notable inventor in the realm of toner technologies, with a robust portfolio that reflects his innovative spirit and technical knowledge. His patents not only advance the state of toner development but also contribute to the efficiency of electrophotography, marking significant strides in the printing industry.

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]
Loading…