Suntou-gun, Japan

Hiroshi Hagiwara

This inventor holds 58 USPTO granted patents and 9 published patent applications and 16 EPO patents, primarily in Image Forming Technology. Top assignees: Canon Kabushiki Kaisha, Fuji Xerox Co., Ltd., Nippon Steel Corporation. Active years: 2000-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Hagiwara. Retrieved from https://idiyas.com/inventor/hiroshi-hagiwara

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

USPTO Granted Patents = 58 

% Patents Active = 82.8

 

Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 154(Granted Patents)

Forward Citations (Not Self Cited) = 134(Dec 10, 2025)


Location History:

  • Muroran, JP (2002)
  • Chiyoda-ku, JP (2009)
  • Tokyo, JP (2009 - 2019)
  • Yokohama, JP (2019)
  • Kawasaki, JP (2019)
  • Ebina, JP (2000 - 2020)
  • Kanagawa, JP (2018 - 2020)
  • Suntou-gun, JP (2013 - 2023)
  • Shizuoka, JP (2022 - 2024)

Company Filing History:


Years Active: 2000-2025

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Areas of Expertise:
Image Forming Apparatus
Electrophotographic Photoreceptor
Abnormality Diagnosis
Binding Device
Mobile Printing
Image Display Device
Ultra Fine Particles
Conveyance Modes
Virus Intrusion Detection
Fabrication Management
Control Apparatus
Recording-Medium Binding
58 patents (USPTO):Explore Patents

Title: Hiroshi Hagiwara: A Pioneer in Image Forming Technologies

Introduction

Hiroshi Hagiwara, based in Suntou-gun, Japan, is a prominent inventor known for his contributions to image forming technologies. With an impressive portfolio boasting 32 patents, Hagiwara has made significant strides in enhancing the efficiency and effectiveness of image forming apparatuses and systems.

Latest Patents

One of Hagiwara's latest innovations, the "Image Forming Apparatus and Image Forming System Configured to Determine Operation," features a comprehensive system that includes a conveyance unit, detection unit, and determination unit. This technology accurately assesses the functioning state of the conveyance unit based on sound detection. If the sound volume is below a predetermined threshold, it indicates a malfunction, while a higher volume confirms normal operation.

Another notable patent, "Image Forming Apparatus with a First Double-Side Feeding and a Second Double-Side Feeding," outlines an advanced image forming apparatus that utilizes dual feeding paths. This system enables efficient double-sided printing by employing a controller that intelligently selects the optimal feeding mechanism, thereby enhancing productivity and user experience.

Career Highlights

Hiroshi Hagiwara has had a noteworthy career with prominent organizations, including Canon Inc. and Nippon Steel Corporation. His work at these companies has significantly influenced the development of innovative imaging technologies, bringing forth solutions that address both efficiency and quality in image production.

Collaborations

Throughout his career, Hagiwara has collaborated with renowned colleagues such as Hiromitsu Kumada and Masayuki Hashimura. These collaborations have contributed to his impactful inventions and patents, showcasing a strong synergy in the engineering community.

Conclusion

Hiroshi Hagiwara remains a key figure in the domain of image forming technologies. His inventiveness and dedication to improving operational efficiencies continue to influence the field, ensuring that his contributions will be recognized as pivotal in the realm of innovation.

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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