Kanagawa, Japan

Junichi Matsumoto

USPTO Granted Patents = 134 

 

 

Average Co-Inventor Count = 4.2

ph-index = 27

Forward Citations = 1,871(Granted Patents)

Forward Citations (Not Self Cited) = 1,260(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kawasaki, JP (2003)
  • Warabi, JP (2005)
  • Ohta-ku, JP (2003 - 2007)
  • Kanagawa-ken, JP (2003 - 2009)
  • Saitama, JP (2010)
  • Yokohama city, Kanagawa, JP (2010)
  • Sagamihara, JP (2011)
  • Tochigi-ken, JP (2018)
  • Tokyo, JP (1989 - 2021)
  • Tochigi, JP (2021)
  • Yokohama, JP (2000 - 2023)
  • Kanagawa, JP (2002 - 2023)

Company Filing History:


Years Active: 1989-2023

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Areas of Expertise:
Image Processing
Toner Detection
Powder Supply Device
Image Forming Apparatus
Defect Inspection
Camera Focus Adjustment
Temperature Control
Developer Conveyance
Powder Container
Developing Device
Powder Amount Detection
134 patents (USPTO):Explore Patents

Title: Junichi Matsumoto: Innovating Imaging Technology with Patents

Introduction:

In the world of imaging technology, Junichi Matsumoto has emerged as a prolific inventor with a remarkable portfolio of patents. Hailing from Kanagawa, Japan, Matsumoto's contributions to the field have revolutionized the way we view and interact with printed media. This article delves into Matsumoto's latest patents, career highlights, and collaborations, showcasing his significant influence on the industry.

Latest Patents:

Matsumoto's latest patents showcase his expertise in developing advanced imaging apparatus. One of his notable inventions is the "Remaining toner amount detection device, image forming apparatus, and remaining toner amount detection method." This invention features a device that accurately measures the remaining toner amount inside a toner bottle, employing multiple arc-shaped electrodes. By analyzing the electrostatic capacity between these electrodes, the controller can determine the toner level and provide accurate readings. This breakthrough has tremendously enhanced the efficiency and functionality of image forming devices.

Another recent patent by Matsumoto is the "Powder container, powder supply device, and image forming apparatus." This invention aims to prevent the spillage and scattering of powder from the container while ensuring a stable discharge and transport process. With a new structural design, the powder container enables controlled powder discharge and reliable transport, enhancing the overall user experience in image formation.

Career Highlights:

Junichi Matsumoto's career has been primarily associated with two prominent companies. He has worked at Ricoh Company, Ltd., a leading multinational imaging and electronics company based in Japan. Matsumoto's contributions to Ricoh have significantly influenced the development of imaging technology, making him an invaluable asset to the organization.

Additionally, Matsumoto has also been associated with Adv Antest Corporation. While information about his contributions to this particular company is limited, it is evident that his expertise in imaging technology has made a substantial impact on the industry as a whole.

Collaborations:

Throughout his career, Junichi Matsumoto has collaborated with several notable individuals, further enhancing his innovative prowess. Notably, he has worked alongside Nobuo Iwata and Satoshi Muramatsu, whose expertise likely complemented Matsumoto's own skills. These collaborations have fostered an exchange of ideas and a collective effort towards pushing the boundaries of imaging technology.

Conclusion:

Junichi Matsumoto's impressive collection of patents stands as a testament to his passion and ingenuity in the field of imaging technology. With his advancements in toner detection devices and powder containers, Matsumoto has contributed significantly to improving the efficiency, accuracy, and user experience in the realm of image formation. As the industry continues to evolve, one can expect Matsumoto's innovative spirit to fuel further breakthroughs and shape the future of imaging technology.

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