Kanagawa, Japan

Hiromoto Saitoh

This inventor holds 29 USPTO granted patents and 3 EPO patents, primarily in Image Forming Technology. Top assignee: Ricoh Company, Ltd.. Active years: 2002-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromoto Saitoh. Retrieved from https://idiyas.com/inventor/hiromoto-saitoh

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


% Patents Active = 58.6


Average Co-Inventor Count = 7.8

ph-index = 13

Forward Citations = 1,966(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2002 - 2003)
  • Tokyo, JP (2003 - 2010)
  • Kanagawa, JP (2004 - 2010)

Company Filing History:


Years Active: 2002-2010

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Areas of Expertise:
Image Forming
Sheet Finisher
Paper Processing
Finishing Unit
Folding Apparatus
Paper Handling
Punching Device
Output Handling
Stacking Device
Perforating Apparatus
Processing Trays
Jogging Process
29 patents (USPTO):Explore Patents

Title: The Innovative Journey of Hiromoto Saitoh

Introduction: Hiromoto Saitoh, an accomplished inventor based in Kanagawa, Japan, has made significant contributions to the field of imaging technology. With a remarkable portfolio of 29 patents, Saitoh has been an instrumental figure in advancing innovations at Ricoh Company, Ltd., a leading player in the imaging and electronics industry.

Latest Patents: Among his latest inventions are two notable patents that showcase his expertise and ingenuity. The first is a "Sheet Finisher and Image Forming System Using the Same," which features a cutter unit designed to cut sheets or sheet stacks perpendicularly to their conveyance direction. This innovative design also includes a guide member that facilitates smooth operation upstream of the cutter unit. The second patent, "Heat-Effect Reduceable Finishing Unit and Image Forming System Using the Same," describes a perforator equipped with a blade that perforates sheets while ensuring optimal bending strength. These innovations not only enhance the functionality of imaging systems but also improve the overall user experience.

Career Highlights: Hiromoto Saitoh's dedication to innovation has led him to develop numerous patents that have propelled his career at Ricoh Company, Ltd. His inventions have played a crucial role in redefining imaging solutions, making significant impacts on productivity and efficiency. Saitoh's work is a testament to his ability to blend technical proficiency with creative problem-solving.

Collaborations: Throughout his career, Saitoh has collaborated with fellow innovators such as Kenji Yamada and Junichi Iida. Together, they have worked on various projects, combining their expertise to push the boundaries of technology in imaging systems. These collaborations not only foster creativity but also drive innovation in their respective fields.

Conclusion: Hiromoto Saitoh's journey as an inventor is marked by a series of groundbreaking patents that continue to influence the imaging technology landscape. With his skills and dedication, Saitoh exemplifies the spirit of innovation, inspiring future generations of inventors and reinforcing the importance of continuous advancement in 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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