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For the Inventor, By the Inventor

Tokyo, Japan

Koji Hayashi

This inventor holds 54 USPTO granted patents and 6 published patent applications and 5 EPO patents, primarily in Image Processing (CPC class H04N). Top assignees: Japan Aviation Electronics Industry, Limited, Ricoh Company, Ltd., Fujifilm Business Innovation Corp.. Active years: 1982-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Hayashi. Retrieved from https://idiyas.com/inventor/koji-hayashi

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

Calculating rank
USPTO Granted Patents = 54 

% Patents Active = 61.1

 

Average Co-Inventor Count = 1.8

ph-index = 16

Forward Citations = 661(Granted Patents)

Forward Citations (Not Self Cited) = 644(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Akishima, Tokyo, JP (1982)
  • Akishima, JP (1982)
  • Ibaraki-ken, JP (1999)
  • Niigata, JP (2004)
  • Tachikawa, JP (2000 - 2005)
  • Kasumigaura, JP (2013)
  • Yokohama, JP (1995 - 2021)
  • Kanagawa, JP (2001 - 2022)
  • Tokyo, JP (1983 - 2023)

Company Filing History:

goldMedal20 out of 2,269 
 
Japan Aviation Electronics Industry, Limited
 patents
silverMedal14 out of 28,977 
 
Ricoh Company, Ltd.
 patents
bronzeMedal4 out of 2,434 
 
Fujifilm Business Innovation Corp.
 patents
4. 2 out of 136 
 
Hitachi Plant Technologies, Ltd.
 patents
5. 2 out of 42,760 
 
Hitachi, Ltd.
 patents
6. 2 out of 14 
 
Jae Hirosaki, Ltd.
 patents
7. 2 out of 111 
 
Tachikawa Spring Co., Ltd.
 patents
8. 2 out of 8,411 
 
Yazaki Corporation
 patents
9. 1 out of 5 
 
Future Technology Co., Ltd.
 patents
10. 1 out of 165 
 
Intec Inc.
 patents
11. 1 out of 1 
 
Japan Aviation Electronics Industry, Liminted
 patent
12. 1 out of 36,790 
 
Nec Corporation
 patents
13. 1 out of 1,423 
 
Yokogawa Electric Corporation
 patents
14. 1 out of 2 
 
Yokogawa Meters & Instruments Corporation
 patents
15. 3 out of 834,708 
Other
 patents
where one patent can have more than one assignee

Years Active: 1982-2026

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Areas of Expertise:
Image Processing
Electrical Connector
Composite Material
Diagnosis System
Optical Pulse Tester
Image Forming Apparatus
Connector Assembly
Nonaqueous Electrolyte
54 patents (USPTO):Explore Patents
1. 12585798 - Information processing apparatus, non-transitory computer readable medium storing information processing program, and information processing method for changing authority of user (2026-03-24),
2. 11745448 - Method for manufacturing composite material product (2023-09-05),
3. 11327856 - Robot application management device, system, method and program (2022-05-10),
4. 11316989 - Processing system and non-transitory computer readable medium for controlling execution of registration process on image processing apparatus (2022-04-26),
5. 11240394 - Information processing apparatus for invalidating an operation setting from a second device (2022-02-01),
6. 11055031 - Information processing apparatus and non-transitory computer readable medium (2021-07-06),
7. 10686945 - Diagnosis system, diagnosis method and storage medium (2020-06-16),
8. 9871313 - Receptacle connector (2018-01-16),
9. 9742958 - Image processing system and method for transferring a parameter by different transfer modes (2017-08-22),
10. 9546927 - Optical pulse tester (2017-01-17),
11. 9350119 - Wrong insertion preventive structure of connector (2016-05-24),
12. 9266166 - Blade, impeller, turbo fluid machine, method and apparatus for manufacturing blade (2016-02-23),
13. 9055262 - Image forming apparatus for determining amount of transparent toner on target pixel based on dispersion of the target pixel, method of forming image, and computer-readable recording medium thereof (2015-06-09),
14. 8655067 - Image processing apparatus, image processing method, and computer program product (2014-02-18),
15. 8398375 - Impeller (2013-03-19),

Title: The Innovative Legacy of Koji Hayashi

Introduction:

Koji Hayashi, a prominent inventor based in Tokyo, JP, has made significant contributions to the field of technology with a total of 53 patents to his name. His innovative spirit and passion for pushing boundaries have paved the way for groundbreaking advancements in various industries.

Latest Patents:

Among his latest patents is a pioneering method for manufacturing composite material products. This technology allows for the creation of intricate designs on composite materials, offering a higher degree of freedom in product customization. Additionally, Hayashi has developed a robot application management system that enhances the execution of robot applications through virtual containers.

Career Highlights:

Throughout his career, Koji Hayashi has showcased his expertise while working at esteemed companies such as Japan Aviation Electronics Industry, Limited and Ricoh Company, Ltd. His ingenuity and dedication to technological advancements have led to the successful implementation of cutting-edge solutions in the industry.

Collaborations:

Hayashi has collaborated with talented individuals such as Nobukazu Kato and Masaaki Takaku, further expanding the horizons of innovation through teamwork and shared expertise. These collaborations have resulted in the development of impactful technologies that have revolutionized the way we approach various challenges.

Conclusion:

In conclusion, Koji Hayashi stands as a beacon of innovation, with a legacy that continues to inspire future generations of inventors and engineers. His groundbreaking patents and collaborations exemplify his commitment to pushing the boundaries of technology and creating a lasting impact on the industry.

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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