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For the Inventor, By the Inventor

Tokyo, Japan

Akio Maruyama

This inventor holds 41 USPTO granted patents and 4 published patent applications and 5 EPO patents, primarily in Electrophotographic Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 1989-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Maruyama. Retrieved from https://idiyas.com/inventor/akio-maruyama

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

USPTO Granted Patents = 41 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.4

ph-index = 20

Forward Citations = 871(Granted Patents)


Location History:

  • Kawasaki, JP (1993 - 1997)
  • Abiko, JP (2009)
  • Tokyo, JP (1989 - 2010)

Company Filing History:

goldMedal41 out of 92,901 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1989-2025

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Areas of Expertise:
Electrophotographic Photosensitive Member
Image Forming Method
Process Cartridge
Electrophotographic Apparatus
Organic Electronic Material
Optical Modulation Element
Charging System
Reverse Development
41 patents (USPTO):Explore Patents
1. 12493250 - External additive particles, toner, and method for producing external additive particles (2025-12-09),
2. 7749667 - Image forming method, and electrophotographic apparatus making use of the image forming method (2010-07-06),
3. 7718331 - Electrophotographic photosensitive member with depressed portions, process cartridge holding the electrophotographic photosensitive member and electrophotographic apparatus with the electrophotographic photosensitive member (2010-05-18),
4. 7622238 - Process for producing electrophotographic photosensitive member (2009-11-24),
5. 7563553 - Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus (2009-07-21),
6. 7556901 - Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus (2009-07-07),
7. 7551878 - Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus (2009-06-23),
8. 7534534 - Electrophotographic Photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus (2009-05-19),
9. 7226711 - Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus (2007-06-05),
10. 7186489 - Electrophotographic photosensitive member, electrophotographic photosensitive member manufacturing process, process cartridge, and electrophotographic apparatus (2007-03-06),
11. 6664014 - Electrophotographic photosensitive member electrophotographic apparatus using same and device unit using same (2003-12-16),
12. 6436597 - ELECTROPHOTOGRAPHIC PHOTOSENSITVE MEMBER, PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS WHICH HAVE THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER (2002-08-20),
13. 6416915 - Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus (2002-07-09),
14. 6372397 - Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus (2002-04-16),
15. 6289190 - Electrophotographic apparatus and process cartridge (2001-09-11),

Title: Akio Maruyama: Pioneering Inventor from Tokyo

Introduction: Akio Maruyama is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Akio Maruyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Akio Maruyama has worked with leading research institutions and tech companies, spearheading projects that have revolutionized the industry. His dedication to pushing the boundaries of innovation has earned him global recognition.

Collaborations: Throughout his career, Akio Maruyama has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence. His ability to work in diverse teams has led to the development of cutting-edge solutions.

Conclusion: Akio Maruyama's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors. His impact on the technological landscape is truly remarkable, solidifying his legacy as a visionary in the world of inventions.

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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