Yokohama, Japan

Takeshi Niimura

This inventor holds 20 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Electrophotography Equipment. Top assignee: Canon Kabushiki Kaisha. Active years: 1995-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Niimura. Retrieved from https://idiyas.com/inventor/takeshi-niimura

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

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 90.0

 

Average Co-Inventor Count = 3.4

ph-index = 9

Forward Citations = 323(Granted Patents)


Location History:

  • Musashino, JP (1995 - 2000)
  • Toride, JP (2000)
  • Abiko, JP (2002 - 2003)
  • Kanagawa, JP (2005 - 2007)
  • Yokohama, JP (2013 - 2018)

Company Filing History:


Years Active: 1995-2018

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Areas of Expertise:
Electrophotographic
Image Forming Apparatus
Process Cartridge
Developing Cartridge
Sheet Stacking Device
Fixing Device
Image Heating Apparatus
Sheet Conveying Apparatus
Frame Structure
Gear Unit
Transportable Apparatus
Image Reading Apparatus
20 patents (USPTO):Explore Patents

Title: Innovations by Takeshi Niimura: Pioneer in Electrophotographic Systems

Introduction

Takeshi Niimura, based in Yokohama, Japan, is a noted inventor with an impressive portfolio of 20 patents. His contributions to the field of electrophotographic technology have significantly advanced the way image forming apparatuses are designed and operated.

Latest Patents

Among his latest innovations are patents for an electrophotographic image forming apparatus, process cartridge, and developing cartridge. This invention introduces a process cartridge that is detachably mountable to the main assembly, effectively optimizing the installation and maintenance process. The design includes a cartridge supporting member that is movable between positions, allowing for seamless mounting and demounting of the cartridges. Furthermore, the apparatus features unique urging members that enhance the interaction between the developing roller and photosensitive drum, significantly improving efficiency and output quality.

Career Highlights

Takeshi Niimura has established himself as a key figure in innovation at Canon Kabushiki Kaisha. His work focuses on enhancing the functionality of printing technology, which has implications for both consumer and professional markets. His expertise has led to a series of valuable patents that illustrate his profound understanding of both electromechanical systems and user needs.

Collaborations

Throughout his career, Niimura has worked alongside talented professionals such as Tatsuo Hamada and Ken Murooka. Their collaborative efforts have enriched projects, contributing to the development of cutting-edge technologies that are shaping the future of imaging and printing industries.

Conclusion

Takeshi Niimura’s contributions reflect a deep commitment to innovation within the realm of electrophotographic systems. With a notable number of patents to his name, his work continues to influence advancements in imaging technologies, ensuring Canon remains at the forefront of this competitive industry. His collaborations with fellow inventors further underline the importance of teamwork in achieving ground-breaking technological outcomes.

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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