Tokyo, Japan

Hiroyuki Hasegawa

This inventor holds 58 USPTO granted patents and 11 published patent applications and 14 EPO patents, primarily in Image Processing. Top assignees: Canon Kabushiki Kaisha, Sony Corporation, Dai Nippon Printing Co., Ltd.. Active years: 1988-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Hasegawa. Retrieved from https://idiyas.com/inventor/hiroyuki-hasegawa

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 = 67.2

 

Average Co-Inventor Count = 3.0

ph-index = 10

Forward Citations = 368(Granted Patents)

Forward Citations (Not Self Cited) = 359(Dec 10, 2025)


Location History:

  • Saitama, JP (1992 - 2013)
  • Hitachi, JP (2001 - 2013)
  • Okayama, JP (2013)
  • Nagareyama, JP (2014 - 2017)
  • Fukui, JP (2017)
  • Tokyo, JP (1988 - 2021)
  • Kanagawa, JP (2007 - 2022)
  • Chiba, JP (2022 - 2023)

Company Filing History:

goldMedal16 out of 93,085 
 
Canon Kabushiki Kaisha
 patents
silverMedal12 out of 58,147 
 
Sony Corporation
 patents
bronzeMedal5 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents
4. 5 out of 42,740 
 
Hitachi, Ltd.
 patents
5. 4 out of 18 
 
Hitachi Information & Control Solutions, Ltd.
 patents
6. 2 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
7. 2 out of 16,980 
 
Fujifilm Corporation
 patents
8. 2 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
9. 2 out of 3,678 
 
Kao Corporation
 patents
10. 2 out of 51 
 
Mitsubishi Materials Silicon Corporation
 patents
11. 2 out of 151 
 
Taiyo Nippon Sanso Corporation
 patents
12. 1 out of 2,407 
 
Fujifilm Business Innovation Corp.
 patents
13. 1 out of 1,556 
 
Mitsubishi Materials Corporation
 patents
14. 1 out of 110 
 
Nihon University
 patents
15. 1 out of 138 
 
Okayama University
 patents
16. 1 out of 186 
 
Ptc Therapeutics, Inc.
 patents
17. 1 out of 1 
 
Shiratori Pharmaceuticals Co., Ltd.
 patent
18. 1 out of 732 
 
Sony Mobile Communications Inc.
 patents
19. 1 out of 1,769 
 
Taiyo Yuden Co., Ltd.
 patents
20. 4 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1988-2026

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Areas of Expertise:
Image Processing
Machine Learning
Image Capturing
Thermal Transfer
Monitoring System
Data Transfer
Semiconductor Device
Content Management
Electronic Endoscope
Synchronous Motor
Image Recording
58 patents (USPTO):Explore Patents

Title: Innovations by Hiroyuki Hasegawa in Image Processing Technology

Introduction

Hiroyuki Hasegawa is a renowned inventor based in Tokyo, Japan, known for his remarkable contributions to image processing technology. With a total of 47 patents to his name, Hasegawa has been instrumental in developing advanced solutions that leverage machine learning and innovative processing methods to enhance image quality and usability.

Latest Patents

Hasegawa's latest patents showcase his commitment to pushing the boundaries of image processing. One notable invention is an image processing device that facilitates the setting related to layer information based on distance information. This device includes several key components: an image acquisition unit to capture images through a lens unit, a distance information acquisition unit that gathers data about the subject's distance, and a layer information generation unit that creates layer information for each distance. Additionally, a setting unit is incorporated to adjust and display settings based on the lens information.

Another significant patent focuses on an information processing apparatus that employs machine learning to enhance image inference accuracy, even when image characteristics are altered by certain corrections. This apparatus utilizes an image processor to conduct processing on training and teacher images under various correction conditions, storing parameters derived from machine learning associated with these conditions.

Career Highlights

Hiroyuki Hasegawa has had an illustrious career with prominent companies, including Sony Corporation and Canon Inc. His work in these esteemed organizations has enabled him to develop cutting-edge technologies that have garnered numerous patents, reflecting his innovative prowess in the realm of image processing.

Collaborations

Throughout his career, Hasegawa has collaborated with notable coworkers, such as Masaaki Kurebayashi and Hideki Hama. These collaborations have fostered a creative environment that emphasizes teamwork and shared expertise, further enhancing the development of impactful technologies in the field.

Conclusion

Hiroyuki Hasegawa's contributions to image processing technology demonstrate his innovation and expertise. With 47 patents, he continues to influence the industry, setting new standards in the application of machine learning and advanced image processing methods. As technology evolves, Hasegawa's work will undoubtedly remain pivotal in shaping the future of imaging solutions.

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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