Toyokawa, Japan

Hiroshi Yamaguchi

This inventor holds 20 USPTO granted patents and 3 EPO patents, primarily in Image Processing Technology. Top assignees: Konica Minolta, Inc., Konica Minolta Business Technologies, Inc.. Active years: 2009-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Yamaguchi. Retrieved from https://idiyas.com/inventor/hiroshi-yamaguchi-a1x669ea

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


% Patents Active = 85.0


Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 60(Granted Patents)


Location History:

  • Hachioji, JP (2009 - 2018)
  • Toyokawa, JP (2014 - 2022)

Company Filing History:


Years Active: 2009-2022

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Areas of Expertise:
Image Forming Apparatus
Paper Conveyance Device
Image Processing Device
Operation Terminal
Sheet Feeder
Document Reader
Fixing Device
Induction Heating Device
Book Binding Apparatus
Motor Control
Cleaning Operation
Thermo-Electric Conversion
20 patents (USPTO):Explore Patents

Title: The Innovative Journey of Hiroshi Yamaguchi

Introduction: Hiroshi Yamaguchi, an esteemed inventor based in Toyokawa, Japan, has made significant contributions to the field of image forming technologies. With a remarkable portfolio of 20 patents, Yamaguchi has crafted advancements that have enhanced the efficiency and functionality of imaging systems.

Latest Patents: Among his latest innovations is an image forming apparatus that features a unique mechanism with a first and second rotatable member. This apparatus is designed to optimize the operation by adjusting the target speed of the second member based on speed changes during its pressed and separated states. Another notable patent focuses on an image forming apparatus equipped with an image carrier, a transfer unit, a driver, and a sophisticated hardware processor. This design implements a constant-torque control system and includes a feedback loop that adjusts the command values based on real-time performance during sheet processing.

Career Highlights: Yamaguchi has had a distinguished career at prominent companies such as Konica Minolta, Inc. and Konica Minolta Business Technologies, Inc. His work in these organizations has allowed him to lead innovation initiatives and develop groundbreaking imaging solutions.

Collaborations: Throughout his career, Hiroshi Yamaguchi has collaborated with talented individuals like Isao Watanabe and Mineo Yamamoto. These partnerships have not only fostered creativity but have also contributed to the success of various projects in the imaging technology sector.

Conclusion: Hiroshi Yamaguchi's contributions to imaging technology through his 20 patents underscore his status as an influential inventor. His innovative spirit continues to drive advancements in the industry, leaving a lasting impact on how image forming systems evolve. As he continues to refine his inventions, the future of imaging technology looks promising under his guidance.

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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