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For the Inventor, By the Inventor

Nagaokakyo, Japan

Hiroaki Katoh

This inventor holds 20 USPTO granted patents and 1 published patent application and 5 EPO patents. Top assignee: Ricoh Company, Ltd.. Active years: 2009-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Katoh. Retrieved from https://idiyas.com/inventor/hiroaki-katoh-rlj575mg

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

USPTO Granted Patents = 20 

% Patents Active = 35.0

 

Average Co-Inventor Count = 6.9

ph-index = 6

Forward Citations = 74(Granted Patents)


Location History:

  • Nagaokakyo, JP (2009 - 2012)
  • Nagaoka, JP (2012)
  • Kyoto, JP (2014 - 2016)
  • Kanagawa, JP (2024)

Company Filing History:

goldMedal20 out of 28,934 
 
Ricoh Company, Ltd.
 patents

Years Active: 2009-2024

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20 patents (USPTO):Explore Patents
1. 11921453 - Image forming apparatus (2024-03-05),
2. 9448501 - Toner for developing electrostatic image, image forming apparatus, image forming method, and process cartridge (2016-09-20),
3. 9152066 - Toner, developer, process cartridge, and image forming apparatus (2015-10-06),
4. 8805222 - Image developing device, process cartridge including image developing device, and image forming device including image developing device (2014-08-12),
5. 8329371 - Toner for non-magnetic one-component developer, method of preparing the toner, developer and image forming method (2012-12-11),
6. 8192910 - Image forming method, image forming apparatus and process cartridge (2012-06-05),
7. 8103199 - Developing device, and image forming method and process cartridge using the developing device (2012-01-24),
8. 8041270 - Image developer using one-component developer (2011-10-18),
9. 8021814 - Toner, and oilless fixing method and process cartridge using the toner (2011-09-20),
10. 8007973 - Full-color toner kit, process cartridge, and image forming method (2011-08-30),
11. 7981593 - Toner, developer including the toner, and image forming method and apparatus using the toner (2011-07-19),
12. 7970323 - Developing device, developer therefor, and image forming method and apparatus, and process cartridge using the developing device (2011-06-28),
13. 7873300 - Single component development device, process cartridge and toner (2011-01-18),
14. 7867680 - Non-magnetic toner for one-component development and method of preparing the toner, and image developer, image forming apparatus, process cartridge and image forming method (2011-01-11),
15. 7838193 - Toner and image forming method using the toner (2010-11-23),

Title: Inventor Hiroaki Katoh

Introduction: Hiroaki Katoh is a renowned inventor hailing from Nagaokakyo, Japan, known for his groundbreaking contributions to various technological fields.

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

Career Highlights: Throughout his career, Hiroaki Katoh has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we approach complex challenges in the modern world.

Collaborations: Hiroaki Katoh has collaborated with top companies in Japan and internationally, bringing together diverse expertise to create synergistic innovations that have had a lasting impact on the industry.

Conclusion: Hiroaki Katoh's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and researchers, solidifying his legacy as a true pioneer in the world of technology.

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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