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For the Inventor, By the Inventor

Kawasaki, Japan

Ryoichi Fujita

This inventor holds 32 USPTO granted patents and 1 published patent application and 4 EPO patents, primarily in Toner Technology. Top assignees: Canon Kabushiki Kaisha, Fujita Co., Ltd.. Active years: 1995-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Fujita. Retrieved from https://idiyas.com/inventor/ryoichi-fujita

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

USPTO Granted Patents = 32 

% Patents Active = 87.5

 

Average Co-Inventor Count = 4.0

ph-index = 13

Forward Citations = 450(Granted Patents)


Location History:

  • Kawasaki, JP (1995 - 1999)
  • Odawara, JP (1999 - 2002)
  • Tokyo, JP (1997 - 2011)
  • Chofu, JP (2010 - 2013)

Company Filing History:

goldMedal31 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
silverMedal1 out of 1 
 
Fujita Co., Ltd.
 patent

Years Active: 1995-2013

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Areas of Expertise:
Toner
Electrophotography
Image Forming
Two-Component Developer
Toner Manufacturing
Color Toner
Electrostatic Images
Additives
Image Development
Carrier
Fixing Method
Production Process
32 patents (USPTO):Explore Patents
1. 8524434 - Toner and method for manufacturing toner (2013-09-03),
2. 8460845 - Cyan toner (2013-06-11),
3. 7943281 - Black toner (2011-05-17),
4. 7794909 - Toner (2010-09-14),
5. 7794908 - Toner (2010-09-14),
6. 7776501 - Color toner (2010-08-17),
7. 7244539 - Magnetic carrier and two-component developer (2007-07-17),
8. 7144668 - Toner and two-component developer (2006-12-05),
9. 6953648 - Process for producing toner particles (2005-10-11),
10. 6346356 - Toner, toner production process, and image-forming method (2002-02-12),
11. 6328147 - Clutch for motorcycles (2001-12-11),
12. 6312862 - Two-component type developer and image forming method (2001-11-06),
13. 6285848 - Electrophotographic apparatus, image forming method, and process cartridge for developing an image with toner containing an external additive (2001-09-04),
14. 6187495 - Yellow toner, process for producing the tower and image forming method using the toner (2001-02-13),
15. 6137977 - Image forming method and image forming apparatus using specific (2000-10-24),

Title: Ryoichi Fujita - Pioneering Inventor from Kawasaki, JP

Introduction: Ryoichi Fujita is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Ryoichi Fujita holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Ryoichi Fujita has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Ryoichi Fujita has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge-sharing that has led to numerous successful projects and inventions.

Conclusion: Ryoichi Fujita's passion for innovation, coupled with his relentless drive to solve complex challenges, has solidified his reputation as a visionary inventor in the global tech community.

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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