Suntoh-gun, Japan

Kazuo Chadani

USPTO Granted Patents = 77 

 

 

Average Co-Inventor Count = 3.0

ph-index = 29

Forward Citations = 3,160(Granted Patents)

Forward Citations (Not Self Cited) = 2,421(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kawasaki, JP (1997 - 1998)
  • Shizuoka, JP (2002 - 2005)
  • Sunto-gun, JP (2006)
  • Nagaizumicho, JP (2008)
  • Shizuoka-ken, JP (1999 - 2011)
  • Suntou-gun, JP (2012 - 2021)
  • Suntoh-gun, JP (2001 - 2024)

Company Filing History:


Years Active: 1997-2024

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Areas of Expertise:
Image Forming Apparatus
Process Cartridge
Electrophotographic Technology
Toner Cartridge
Cleaning Device
Developing Unit
Photosensitive Drum
Cartridge Insertion Prevention
Remanufacturing Method
Driving Force Transmission
Coupling Members
Speed Variation Suppression
77 patents (USPTO):Explore Patents

Title: Innovations of Kazuo Chadani: Pioneering Process Cartridge Technology

Introduction: Kazuo Chadani, a prominent inventor based in Suntoh-gun, Japan, has made significant contributions to the field of imaging technology. With an impressive portfolio of 77 patents, his work primarily revolves around process cartridges and image forming apparatuses, showcasing his ingenuity and impact in the industry.

Latest Patents: One of Kazuo Chadani's latest innovations focuses on a process cartridge that integrates a photosensitive drum and a developing roller. This design features a coupling member adjacent to one axial end of the developing roller. The coupling member consists of a driven portion and an intermediary portion specifically configured to engage with the driven portion. The innovative intermediary portion allows for relative movement in a direction crossing the axis of the developing roller while maintaining its engagement. Additionally, the coupling member includes a driving portion strategically designed to receive a driving force, enabling the rotation of the developing roller while also remaining mutually mobile with respect to the intermediary portion. This inventive mechanism enhances the efficiency and functionality of image forming apparatuses.

Career Highlights: Kazuo Chadani's career is marked by his association with Canon Kabushiki Kaisha, a leading company in imaging and optical products. His extensive research and emphasis on developing innovative technologies have positioned him as an influential figure within the organization and the broader field of imaging technology.

Collaborations: Throughout his career, Chadani has collaborated with talented colleagues, including Tomonori Mori and Koji Hashimoto. Their joint efforts in research and development have been instrumental in advancing the capabilities and performance of Canon's imaging solutions.

Conclusion: Kazuo Chadani's commitment to innovation is reflected in his numerous patents and contributions to process cartridge technology. His work not only enhances the efficiency of imaging products but also exemplifies the spirit of creativity and collaboration within Canon Kabushiki Kaisha. As an inventor, Chadani continues to pave the way for future advancements in the field.

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