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For the Inventor, By the Inventor

Chigasaki, Japan

Hiroyuki Sakai

USPTO Granted Patents = 122 

 

Average Co-Inventor Count = 2.7

ph-index = 17

Forward Citations = 978(Granted Patents)

Forward Citations (Not Self Cited) = 922(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Akishima, JP (1985 - 1987)
  • Fussa, JP (1989 - 1992)
  • Ebina, JP (1996)
  • Ibaraki, JP (1993 - 1997)
  • Nerima-ku, JP (1997)
  • Yokohama, JP (1988 - 1999)
  • Iwatsuki, JP (2004)
  • Saitama, JP (2009 - 2017)
  • Kariya, JP (2015 - 2018)
  • Kashiwa, JP (2021 - 2022)
  • Kanagawa, JP (2022 - 2023)
  • Tokyo, JP (1988 - 2024)
  • Chigasaki, JP (2012 - 2024)
  • Chiba, JP (2021 - 2024)
  • Wako, JP (2022 - 2024)

Company Filing History:

goldMedal74 out of 90,631 
 
Canon Kabushiki Kaisha
 patents
silverMedal19 out of 2,528 
 
Hoya Corporation
 patents
bronzeMedal9 out of 42,488 
 
Hitachi, Ltd.
 patents
4. 9 out of 21,862 
 
Honda Motor Co., Ltd.
 patents
5. 4 out of 1,625 
 
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
 patents
6. 3 out of 64 
 
Nagano Keiki Co., Ltd.
 patents
7. 2 out of 134 
 
Ramtron International Corporation
 patents
8. 2 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
9. 1 out of 255 
 
Research Development Corporation of Japan
 patents
10. 1 out of 9 
 
Iida Industry Co., Ltd.
 patents
11. 1 out of 288 
 
Resonac Corporation
 patents
12. 1 out of 1 
 
School Juridical Person Seikei Gakuen
 patent
where one patent can have more than one assignee

Years Active: 1985-2025

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Areas of Expertise:
Image Processing
Color Reduction
Inspection Apparatus
Information Processing
Embedded Information Extraction
Vehicle Body Structure
Compression Efficiency
Auto White Balance
Multiplexed Information
Sharpness Improvement
Light Source Integration
Feature Classification
122 patents (USPTO):Explore Patents
1. 12418622 - Image processing apparatus capable of generating color-reduced image with high object reproducibility, control method for image processing apparatus, and storage medium (2025-09-16),
2. 12356085 - Mobile terminal having a light source and an application to extract embedded information from an illuminated printed image and method (2025-07-08),
3. 12277700 - Inspection apparatus capable of reducing inspection workload, method of controlling inspection apparatus, and storage medium (2025-04-14),
4. 12124751 - Information processing apparatus, method, and non-transitory computer-readable storage medium storing program (2024-10-22),
5. 11960839 - Cause-effect sentence analysis device, cause-effect sentence analysis system, program, and cause-effect sentence analysis method (2024-04-16),
6. 11943547 - Information processing apparatus that illuminates a printed image during capture when embedded information is to be processed, information processing system, information processing method, and storage medium (2024-03-26),
7. 11924390 - Apparatus, method, and storage medium for performing color reduction processing (2024-03-05),
8. 11884331 - Center pillar manufacturing method (2024-01-30),
9. 11849097 - Storage medium, information processing apparatus, and method for compressing image printing data that includes values corresponding to special ink printing (2023-12-19),
10. 11740840 - Storage medium, information processing apparatus, and control method (2023-08-29),
11. 11695887 - Image processing apparatus, method of controlling the same, and storage medium (2023-07-04),
12. 11691675 - Vehicle body reinforcement structure (2023-07-04),
13. 11639199 - Vehicle body side part structure (2023-05-02),
14. 11628886 - Vehicle body side structure (2023-04-18),
15. 11554814 - Vehicle body side structure (2023-01-17),

Title: The Innovative Journey of Hiroyuki Sakai

Introduction: Hiroyuki Sakai, a distinguished inventor hailing from Chigasaki, Japan, has made significant contributions to the field of technology with his groundbreaking inventions and patents.

Latest Patents: Hiroyuki Sakai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to innovation.

Career Highlights: Throughout his illustrious career, Hiroyuki Sakai has worked with renowned research institutions and leading technology companies to develop cutting-edge solutions that have revolutionized various industries.

Collaborations: Hiroyuki Sakai has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of creativity and excellence in all his projects.

Conclusion: Hiroyuki Sakai's passion for innovation and his relentless pursuit of technological advancement have solidified his reputation as a visionary inventor, inspiring the next generation of innovators to push the boundaries of what is possible.

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