Kanagawa, Japan

Yuko Hayama

USPTO Granted Patents = 5 


Average Co-Inventor Count = 3.1

ph-index = 3

Forward Citations = 80(Granted Patents)


Location History:

  • Kohoku-ku, JP (1998)
  • Kawasaki, JP (1998)
  • Kanagawa, JP (2009 - 2015)

Company Filing History:


Years Active: 1998-2015

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5 patents (USPTO):Explore Patents

Title: Innovations by Yuko Hayama: Pioneering Curl Straightening Methods

Introduction: Yuko Hayama, an accomplished inventor based in Kanagawa, Japan, holds five patents that significantly enhance the field of image processing and paper handling technologies. Her innovative work has focused particularly on methods to straighten curled recording media, addressing challenges faced in printing and imaging processes.

Latest Patents: Among her latest contributions are two noteworthy patents: the "Curl Straightening Method and Image Forming Apparatus" and the "Image Forming Apparatus and Curl Correcting Method." The curl straightening method outlines a sophisticated approach that involves measuring the moisture content and temperature of sheets before they are processed by a fixing apparatus. By calculating variables such as conveying time and residual strain, Hayama's method effectively controls the curl straightening apparatus to achieve optimal results.

The second patent involves an image forming apparatus equipped with a curl correction device and a temperature/humidity sensor. This innovative system not only detects environmental conditions but also adjusts curl correction based on the calculated efficiency of the correction device. These innovations are poised to enhance the quality of printed images and reduce wastage due to curled media.

Career Highlights: Yuko Hayama's career has been marked by her tenure at Ricoh Company, Ltd., where she has contributed her expertise to advancing technology in imaging and printing solutions. Her extensive experience in this industry has enabled her to develop practical solutions that address real-world challenges faced by users of image forming devices.

Collaborations: Throughout her career, Hayama has collaborated with esteemed colleagues such as Satoshi Takano and Hirokazu Ishii. These partnerships have fostered an environment of innovation, resulting in groundbreaking technologies that have the potential to transform the way products are developed and utilized in the imaging sector.

Conclusion: Yuko Hayama's contributions to the field of image processing are significant, and her patented methodologies represent a culmination of her dedication to innovation. Her work at Ricoh Company, Ltd. continues to inspire advancements in technology that enhance user experience and efficiency. As the landscape of printing and imaging evolves, Hayama's inventions are poised to play a crucial role in shaping the future.

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