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For the Inventor, By the Inventor

Fuji, Japan

Atsushi Uematsu

This inventor holds 20 USPTO granted patents and 8 published patent applications and 5 EPO patents, primarily in Electrophotography. Top assignee: Canon Kabushiki Kaisha. Active years: 2015-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Uematsu. Retrieved from https://idiyas.com/inventor/atsushi-uematsu

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

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 85.0

 

Average Co-Inventor Count = 4.5

ph-index = 8

Forward Citations = 152(Granted Patents)


Location History:

  • Fuji, JP (2015 - 2019)
  • Shizuoka, JP (2023 - 2024)

Company Filing History:

goldMedal20 out of 93,136 
 
Canon Kabushiki Kaisha
 patents

Years Active: 2015-2026

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Areas of Expertise:
Electrophotographic Member
Process Cartridge
Image Forming Apparatus
Electroconductive Member
Charging Member
Electrophotographic Roller
Manufacturing Method
Resin Particles
Concavity
Protrusion
Charge Transport Layer
20 patents (USPTO):Explore Patents
1. 12724358 - Electrophotographic member, process cartridge, and electrophotographic image forming apparatus (2026-09-01),
2. 12687798 - Electrophotographic member, process cartridge, and electrophotographic image forming apparatus (2026-07-21),
3. 12498646 - Electrophotographic conductive member, process cartridge, and electrophotographic image forming apparatus (2025-12-16),
4. 12493251 - Electrophotographic member, process cartridge, and electrophotographic image forming apparatus (2025-12-09),
5. 12032331 - Electroconductive member, process cartridge, and electrophotographic image forming apparatus (2024-07-09),
6. 11835878 - Electrophotographic roller, process cartridge and electrophotographic image forming apparatus (2023-12-05),
7. 11644761 - Electrophotographic roller, process cartridge and electrophotographic image forming apparatus (2023-05-09),
8. 11619890 - Electro-conductive member, manufacturing method thereof, process cartridge, and electrophotographic image forming apparatus (2023-04-04),
9. 10248042 - Electrophotographic roller, process cartridge and electrophotographic apparatus (2019-04-02),
10. 10025216 - Charging member with electro-conductive elastic layer having exposed bowl-shaped resin particles, process cartridge and electrophotographic apparatus (2018-07-17),
11. 9678452 - Roller for electrophotography, process cartridge, and image-forming apparatus (2017-06-13),
12. 9599914 - Electrophotographic member having bow-shaped resin particles defining concavity and protrusion at surface thereof (2017-03-21),
13. 9448502 - Charging member, process cartridge and electrophotographic apparatus (2016-09-20),
14. 9411307 - Process cartridge and electrophotographic apparatus (2016-08-09),
15. 9335650 - Image forming apparatus and process cartridge utilizing a porous charging member (2016-05-10),

Title: Innovations of Atsushi Uematsu

Introduction

Atsushi Uematsu is a prominent inventor based in Fuji, Japan. He has made significant contributions to the field of electrophotography, holding a total of 20 patents. His work has been instrumental in advancing technologies related to electroconductive members and electrophotographic apparatuses.

Latest Patents

Uematsu's latest patents include an electroconductive member designed for electrophotography. This member features a support with electro-conductivity and an electroconductive layer that incorporates a matrix of crosslinked rubber and electroconductive particles. The design ensures that the first electroconductive particles are present as primary particles within the crosslinked product, with specific size requirements for optimal performance. Another notable patent is for an electrophotographic roller, which includes a mandrel and an elastic layer that has a crown shape. This innovative design allows for precise control over the roller's dimensions, enhancing its functionality in electrophotographic applications.

Career Highlights

Uematsu is associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technologies. His work has not only contributed to the company's portfolio but has also set new standards in the industry. His inventions have been recognized for their technical sophistication and practical applications.

Collaborations

Some of Uematsu's notable coworkers include Taichi Sato and Tomohito Taniguchi. Their collaborative efforts have further enriched the innovative environment at Canon, leading to the development of cutting-edge technologies.

Conclusion

Atsushi Uematsu's contributions to the field of electrophotography exemplify the impact of innovation in technology. His patents reflect a deep understanding of materials and engineering principles, making him a key figure in his 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]
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