Yokosuka, Japan

Jiro Egawa


Average Co-Inventor Count = 2.5

ph-index = 11

Forward Citations = 309(Granted Patents)


Location History:

  • Yokohama, JP (1987 - 1988)
  • Kanagawa, JP (1989 - 1994)
  • Yokosuka, JP (1989 - 1995)

Company Filing History:


Years Active: 1987-1995

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26 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Jiro Egawa

Introduction: Jiro Egawa, based in Yokosuka, Japan, is a prolific inventor with an impressive portfolio of 26 patents. His work primarily revolves around advancements in imaging technology, particularly in the development of image forming apparatuses that enhance the precision and quality of color reproduction.

Latest Patents: Among his most recent innovations, Egawa has developed two significant patents that demonstrate his expertise in imaging technology. The first patent details an image forming apparatus that automatically adjusts images by reading original content through an image reader unit. This invention utilizes a correction process for gradation reproduction and pseudo gradation processing. As a result, when images are printed, the device generates a gradation chart that aids in achieving optimal image forming conditions by comparing newly read gradation data with previously logged data.

Another notable patent focuses on a color image forming apparatus designed to minimize misregistration of colors during the printing process. This invention addresses the common issue of color misalignment in color laser printers. By employing dedicated motor controllers for both the photosensitive drum and transfer drum motors, the apparatus ensures that any phase differences that may arise are promptly corrected, maintaining the integrity of the output image.

Career Highlights: Jiro Egawa has made significant strides in the field of imaging technology through his tenure at Kabushiki Kaisha Toshiba. His work has not only contributed to the growth of the company's innovation portfolio but has also positioned Toshiba as a leader in imaging solutions.

Collaborations: Throughout his career, Egawa has collaborated with talented colleagues such as Rintaro Nakane and Naoaki Ide. These partnerships have been instrumental in driving forward innovative projects and overcoming challenges in the pursuit of cutting-edge technology.

Conclusion: With a strong focus on the precision and quality of image reproduction, Jiro Egawa exemplifies the spirit of innovation in the field of imaging technology. His extensive work, underscored by 26 patents, reflects not only his dedication to advancing the industry but also his ability to collaborate effectively with others in his field. As technology continues to evolve, Egawa's contributions will undoubtedly leave a lasting impact.

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