Tokyo, Japan

Yasuharu Gaman

This inventor holds 3 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 2008-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuharu Gaman. Retrieved from https://idiyas.com/inventor/yasuharu-gaman

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


% Patents Active = 33.3

Average Co-Inventor Count = 1.8

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Tokyo-to, JP (2008)
  • Tokyo, JP (2011 - 2012)

Company Filing History:


Years Active: 2008-2012

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3 patents (USPTO):Explore Patents

Title: Innovations by Yasuharu Gaman: Pioneering Developments in Sheet Transport Devices

Introduction

Yasuharu Gaman, an inventive mind based in Tokyo, Japan, has made notable contributions to the field of imaging technology. With three patents to his name, Gaman's work primarily focuses on enhancing the efficiency of sheet transport systems in image forming apparatuses. His dedication to innovation is evident in his latest inventions, which push the boundaries of current technology.

Latest Patents

Gaman's recent patents include a cutting-edge sheet transport device and an image forming apparatus that incorporates this device. The patented sheet transport device boasts a reverse-transport roller, specifically designed to enhance the transport of recording media within a diverging point of a sheet reversing section. It features at least one roller guide to ensure that the reverse-transport roller does not make contact with the recording medium during the reversal process. Moreover, the design of the roller guide minimizes friction against the recording medium, optimizing the transport mechanism.

In addition, his image forming apparatus patent introduces a method for temporarily stopping a recording medium upstream of a fixing unit. This innovation allows for extended stoppage of the recording medium between the fixing unit and a curved pathway, significantly improving operational efficiency.

Career Highlights

Yasuharu Gaman works with Ricoh Company, Ltd., a company renowned for its advancements in imaging technology and solutions. His role at Ricoh involves rigorous research and development, allowing him to implement his innovative ideas into practical applications. Over the course of his career, Gaman has shown a remarkable ability to understand the intricacies of sheet transport mechanisms and their impact on overall image quality.

Collaborations

Throughout his professional journey, Gaman has collaborated with esteemed colleagues such as Nobuo Inoue and Masaru Yamagishi. These partnerships have enabled him to refine his inventions further, as well as contribute to a team-focused approach in tackling complex engineering challenges.

Conclusion

Yasuharu Gaman is a noteworthy inventor in the realm of imaging technology, with his inventive spirit resulting in multiple patents that enhance the functionality of sheet transport devices. His work at Ricoh Company, Ltd. reflects a commitment to innovation and collaboration, ensuring that his contributions significantly impact the field. As the demand for efficient imaging solutions continues to grow, Gaman’s innovations are poised to play a pivotal role in shaping the industry’s future.

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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