Yokohama, Japan

Tomoji Ishikawa

This inventor holds 36 USPTO granted patents and 1 EPO patent, primarily in Image Formation Technology. Top assignee: Ricoh Company, Ltd.. Active years: 1992-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoji Ishikawa. Retrieved from https://idiyas.com/inventor/tomoji-ishikawa

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


% Patents Active = 94.4


Average Co-Inventor Count = 4.3

ph-index = 21

Forward Citations = 926(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2007 - 2009)
  • Kanagawa, JP (2000 - 2015)
  • Yokohama, JP (1992 - 2016)

Company Filing History:


Years Active: 1992-2016

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Areas of Expertise:
Toner Container
Image Forming Apparatus
Developing Device
Process Cartridge
Powder Transport
Developer-Supplying Mechanism
Rotary Developing Device
Agitation Device
Color Image Forming
End-of-Toner Condition
Replenishment Stabilization
Replaceable Process Units
36 patents (USPTO):Explore Patents

Title: Tomoji Ishikawa: Pioneering Inventor at the Forefront of Technological Innovation

Introduction:

Tomoji Ishikawa, a visionary inventor based in Yokohama, Japan, is known for his relentless pursuit of innovation and his unwavering dedication to pushing the boundaries of what is possible in the world of technology. With a remarkable 36 patents to his name, Ishikawa's impact on the field continues to inspire future generations of inventors and innovators.

Latest Patents:

Among his latest patents is a groundbreaking invention in the field of toner containers and manufacturing methods. The patent describes a toner container that revolutionizes the way toner is stored and dispensed, employing advanced features such as a conveyance member for efficient toner discharge and a recessed portion for optimal toner containment.

Career Highlights:

Tomoji Ishikawa's illustrious career is marked by numerous groundbreaking inventions that have significantly advanced the realm of technology. His innovative spirit and commitment to excellence have led to the development of cutting-edge solutions that have transformed industries and improved efficiency in countless applications.

Collaborations:

Throughout his career, Ishikawa has collaborated with esteemed colleagues such as Kazuyuki Sugihara and Katsuhiro Kosuge, who have played integral roles in bringing his visionary ideas to fruition. Together, they have formed a dynamic team that has consistently delivered innovative solutions to complex technological challenges.

Conclusion:

In conclusion, Tomoji Ishikawa stands as a true visionary in the world of technology, with a legacy of innovation that continues to shape the future of the industry. His dedication to pushing the boundaries of what is possible and his unwavering commitment to excellence make him a pioneering figure whose influence will be felt for generations to come.

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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