Tokyo, Japan

Shigeru Yoshiki

This inventor holds 25 USPTO granted patents, primarily in Image Formation Technology. Top assignee: Ricoh Company, Ltd.. Active years: 1993-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Yoshiki. Retrieved from https://idiyas.com/inventor/shigeru-yoshiki

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


% Patents Active = 80.0

Average Co-Inventor Count = 3.2

ph-index = 17

Forward Citations = 963(Granted Patents)


Location History:

  • Yokohama, JP (1993)
  • Kawasaki, JP (1995 - 2005)
  • Tokyo, JP (1998 - 2005)

Company Filing History:


Years Active: 1993-2005

Loading Chart...
Areas of Expertise:
Image Forming Apparatus
Toner Container
Developer Replenishing Device
Toner Supply Unit
Toner Scatter Prevention
Cleaning Device
Protective Armoring
Driven Toner
Color Image Formation
Toner Replenishing Device
Development Device
25 patents (USPTO):Explore Patents

Title: Shigeru Yoshiki: A Pioneer in Image Forming Technology

Introduction

Shigeru Yoshiki, based in Tokyo, Japan, is a prominent inventor with an impressive portfolio of 25 patents. His work primarily focuses on innovations in imaging technology, particularly within the framework of developing devices for image forming apparatuses.

Latest Patents

Yoshiki's latest innovations include a groundbreaking device for an image forming apparatus. This invention features a bearing seal structure that incorporates two seal members in a bearing portion, each equipped with an elastic seal lip designed to effectively seal the outer periphery of a shaft. Additionally, grease is strategically sealed between the two members and the bearing portion, enhancing the device's efficiency and durability. Another notable patent pertains to a complete image forming apparatus that includes a specialized cleaning device. This device is adept at removing residual toner, paper dust, and other impurities post-image transfer, ensuring optimal functioning of the image carrier.

Career Highlights

Yoshiki's career is marked by his role at Ricoh Company, Ltd., where he has contributed significantly to technological advancements in imaging solutions. His work has led to the development of numerous devices that enhance the quality and efficiency of image forming processes.

Collaborations

Throughout his career, Shigeru Yoshiki has collaborated with esteemed colleagues such as Takeshi Saito and Hideo Ichikawa. These partnerships have been instrumental in fostering innovation and pushing the boundaries of technology within their field.

Conclusion

In summary, Shigeru Yoshiki stands out as a leader in the realm of image forming technology, with a rich body of work demonstrated through his extensive patents. His contributions have not only advanced the capabilities of imaging devices but also set a high standard for future innovations 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]
Loading…