Kashiwa, Japan

Takahiko Yamaoka

This inventor holds 22 USPTO granted patents and 1 EPO patent, primarily in Image Formation Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 2005-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiko Yamaoka. Retrieved from https://idiyas.com/inventor/takahiko-yamaoka

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

Calculating rank

% Patents Active = 31.8


Average Co-Inventor Count = 3.4

ph-index = 5

Forward Citations = 54(Granted Patents)


Location History:

  • Chiba, JP (2005)
  • Chiba-ken, JP (2009)
  • Kashiwa, JP (2008 - 2019)

Company Filing History:


Years Active: 2005-2019

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Areas of Expertise:
Image Forming Apparatus
Control Method
Sheet Feeding Device
Cooling Device
Toner Waste Container
Error Detection
Image Heating
Adjustable Toner Positioning
Detection Members
Switched-Potential
Method of Controlling
Image Formation Method
22 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Takahiko Yamaoka

Introduction: Takahiko Yamaoka, based in Kashiwa, Japan, is a notable inventor with a significant portfolio of 22 patents. His innovations primarily focus on image forming apparatuses, contributing to advancements in printing technology.

Latest Patents: Yamaoka's latest patents include an innovative image forming apparatus that integrates a memory to store information about previously detected recording medium types. This device features a controller designed to prevent the incorrect feeding of materials during printing operations. Another significant patent details a sheet feeding device that utilizes multiple detection units to manage the precise lifting and feeding of sheets, improving the efficiency and accuracy of the printing process.

Career Highlights: Throughout his career, Takahiko Yamaoka has made impactful contributions to Canon Kabushiki Kaisha, advancing the company's reputation for cutting-edge printing solutions. His inventive spirit and technical expertise have played a crucial role in the development of reliable and sophisticated imaging technologies.

Collaborations: At Canon Kabushiki Kaisha, Yamaoka collaborates closely with esteemed colleagues such as Yuichi Yamamoto and Kuniyasu Kimura. Together, they leverage their combined knowledge to enhance the capabilities of the company’s product offerings, driving innovation in the printing sector.

Conclusion: Takahiko Yamaoka's contributions to the field of imaging technology are evident through his numerous patents and innovative designs. His work at Canon continues to shape the future of printing solutions, demonstrating the vital role of inventors in advancing industry standards and consumer capabilities.

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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