Numazu, Japan

Yasufumi Yoshino

This inventor holds 29 USPTO granted patents and 4 EPO patents, primarily in Electrophotographic Imaging. Top assignee: Canon Kabushiki Kaisha. Active years: 2003-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasufumi Yoshino. Retrieved from https://idiyas.com/inventor/yasufumi-yoshino

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 41.4

 

Average Co-Inventor Count = 3.2

ph-index = 22

Forward Citations = 836(Granted Patents)


Location History:

  • Shizuoka-ken, JP (2009)
  • Fukuoka, JP (2011 - 2012)
  • Numazu, JP (2003 - 2016)

Company Filing History:


Years Active: 2003-2016

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Areas of Expertise:
Electrophotographic
Image Forming
Process Cartridge
Toner Cartridge
Developing Cartridge
Cartridge Remanufacturing
Developing Roller
Side Cover Mounting
Projected Portions
29 patents (USPTO):Explore Patents

Title: Innovations of Yasufumi Yoshino: A Pioneer in Electrophotographic Technology

Introduction: Yasufumi Yoshino, hailing from Numazu, Japan, is a renowned inventor with an impressive portfolio of 29 patents. His contributions to the field of electrophotographic technology stand out, particularly in the design and functionality of process cartridges used in imaging devices.

Latest Patents: Among his notable inventions, the latest patent focuses on a process cartridge designed for an electrophotographic image forming apparatus. This innovative cartridge is designed to be detachably mountable to the main assembly of the apparatus. It features a drum, as well as first and second guidable portions that are guided by respective first and second guides when the cartridge enters or advances in the main assembly. Additionally, it includes regulatable portions on both leading and trailing sides, allowing for effective control throughout the advancement process. The cartridge's design also incorporates positionable portions, ensuring that the cartridge is securely mounted to the main assembly by utilizing the urging force of the assembly's urging member.

Career Highlights: Yasufumi Yoshino has spent a significant part of his career at Canon Kabushiki Kaisha, where he has been instrumental in advancing imaging technology. His dedication and innovative mindset have propelled Canon to the forefront of the imaging industry, significantly enhancing the functionality and reliability of their electrophotographic devices.

Collaborations: Throughout his journey, Yoshino has collaborated with esteemed colleagues such as Kazuhiko Kanno and Katsuhiko Oba. Their combined expertise has fostered an environment rich in innovation, leading to numerous advancements in the technology that underpins modern imaging solutions.

Conclusion: Yasufumi Yoshino's contributions to the field of electrophotographic technology through his 29 patents exemplify the impact of dedicated research and innovation. His work not only advances the capabilities of imaging devices but also serves as an inspiration for future inventors and innovators in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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