Kanagawa, Japan

Nobuto Yokokawa



Average Co-Inventor Count = 6.8

ph-index = 13

Forward Citations = 512(Granted Patents)


Location History:

  • Gotenba, JP (1997 - 1998)
  • Saitama, JP (2001 - 2007)
  • Yokohama, JP (1999 - 2009)
  • Kawaguchi, JP (2007 - 2009)
  • Saitama-ken, JP (2008 - 2010)
  • Kanagawa-ken, JP (2012)
  • Kanagawa, JP (2008 - 2014)

Company Filing History:


Years Active: 1997-2014

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25 patents (USPTO):

Title: Nobuto Yokokawa: Innovator in Image Forming Technology

Introduction: Nobuto Yokokawa is a prolific inventor based in Kanagawa, Japan, known for his significant contributions to image forming technology. With a remarkable portfolio of 25 patents, Yokokawa has been instrumental in advancing the capabilities of image forming apparatuses.

Latest Patents: Among his latest innovations is an image forming apparatus that incorporates a transfer member mount accommodating multiple different sizes of transfer members. This apparatus features an image forming mechanism, an image bearing member, a transfer member, and an image detector. It effectively transfers images from the image bearing member to a recording medium through a transfer nip. The system includes interchangeable transfer members and a switching device to enhance its functionality.

Additionally, Yokokawa has developed a roller device that can be exchangeably used in image forming apparatuses. This device is designed with a roller covering a shaft along its rotation axis, along with two grip members that facilitate easy exchange. These innovations reflect Yokokawa's dedication to enhancing the efficiency and maintenance of imaging technologies.

Career Highlights: Nobuto Yokokawa has made his mark at Ricoh Company, Ltd., where he collaborates with a team of talented professionals. His ability to innovate has not only led to a considerable number of patents but has also placed Ricoh at the forefront of imaging technology.

Collaborations: Collaboration is key in the realm of innovation, and Yokokawa works closely with notable colleagues such as Kazuhiko Kobayashi and Masato Yokoyama. Together, they drive advancements that align with the evolving needs of the imaging industry.

Conclusion: Nobuto Yokokawa stands as a testament to the power of innovation in technology. His impressive collection of patents showcases his commitment to improving image forming systems. As technology continues to evolve, Yokokawa’s contributions will undoubtedly play a crucial role in shaping the future of imaging solutions.

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