Yokohama, Japan

Kiyoharu Yoshioka

This inventor holds 19 USPTO granted patents, primarily in Image Formation Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 1987-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoharu Yoshioka. Retrieved from https://idiyas.com/inventor/kiyoharu-yoshioka

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


% Patents Active = 68.4

Average Co-Inventor Count = 3.7

ph-index = 8

Forward Citations = 320(Granted Patents)


Location History:

  • Tokyo, JP (1987 - 1989)
  • Shizuoka, JP (2003)
  • Mishima, JP (2011 - 2013)
  • Yokohama, JP (1994 - 2015)

Company Filing History:


Years Active: 1987-2015

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Areas of Expertise:
Image Forming Apparatus
Facsimile Apparatus
Edge Cleaning
Marginless Printing
Serial Recording
Ink Jet Printer
Sheet Supplying
Film Processing
Color Imaging
Notebook Computers
19 patents (USPTO):Explore Patents

Title: Innovations of Kiyoharu Yoshioka: A Pioneering Inventor in Imaging Technology

Introduction

Kiyoharu Yoshioka, a prominent inventor based in Yokohama, Japan, has significantly contributed to the field of imaging technology. With a remarkable portfolio of 19 patents, he has established himself as a key figure in developing cutting-edge image forming apparatuses.

Latest Patents

Yoshioka's latest patents reflect his innovative approach to enhancing image formation mechanisms. One notable patent describes an image forming apparatus that includes an image bearing member responsible for retaining a toner image. This apparatus features a transfer member that effectively transfers the toner image from the image bearing member onto sheets in contact with it. It also incorporates an openable unit that consists of an openable member, rotational shaft, and a lock member, ensuring the openable unit's secure closure.

In another of his latest patents, Yoshioka introduces an image forming apparatus equipped with a device for preventing gear disengagement. This system includes a rotatable supporting member with a first gear portion and multiple developing devices for toner application. A drive transmission device works in conjunction with the rotatable supporting member's second gear portion, ensuring seamless engagement between the gear components, thereby enhancing operational reliability.

Career Highlights

Throughout his career, Kiyoharu Yoshioka has been instrumental in advancing imaging technologies at Canon Kabushiki Kaisha. His dedication to innovation and engineering excellence has made a lasting impact on the industry. His patents not only reflect his personal ingenuity but also the collective goal of enhancing user experience in imaging applications.

Collaborations

Yoshioka has collaborated with esteemed colleagues in his field, including Masao Amano and Takao Nada. These partnerships have played a crucial role in fostering innovation and exploring new horizons in imaging technology. Together, they have worked on various projects, pushing the boundaries of what is possible in image forming apparatuses.

Conclusion

Kiyoharu Yoshioka stands out as a visionary inventor whose contributions have greatly influenced the field of imaging technology. With his extensive patent portfolio and collaborative spirit, he continues to inspire future innovations at Canon Kabushiki Kaisha and beyond. As technology advances, Yoshioka's work remains foundational in the pursuit of excellence in image forming solutions.

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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