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For the Inventor, By the Inventor

Chiba, Japan

Koichi Ejiri

This inventor holds 27 USPTO granted patents, primarily in Image Processing Technology. Top assignees: Ricoh Company, Ltd., Ricoh Corporation, Kabushiki Kaisha Ricoh. Active years: 1981-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Ejiri. Retrieved from https://idiyas.com/inventor/koichi-ejiri

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

USPTO Granted Patents = 27

% Patents Active = 81.5

Average Co-Inventor Count = 2.8

ph-index = 16

Forward Citations = 964(Granted Patents)


Location History:

  • Narashino, JP (1985 - 2002)
  • Chiba-ken, JP (1997 - 2003)
  • Tokyo, JP (2002 - 2007)
  • Chiba, JP (1981 - 2014)

Company Filing History:

goldMedal25 out of 28,940 
 
Ricoh Company, Ltd.
 patents
silverMedal4 out of 233 
 
Ricoh Corporation
 patents
bronzeMedal1 out of 23 
 
Kabushiki Kaisha Ricoh
 patents
4. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1981-2014

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Areas of Expertise:
Image Display
Document Segmentation
Distortion Correction
Stereographic Vision
Skew Detection
Image Restoration
Composite Image Generation
Projector Technology
Digital Scanning
High Resolution Images
Data Management
27 patents (USPTO):Explore Patents
1. 8681228 - System and method for displaying an image indicating a positional relation between partially overlapping images (2014-03-25),
2. 7529430 - System and method for displaying an image indicating a positional relation between partially overlapping images (2009-05-05),
3. 7298919 - System and method for displaying an image indicating a positional relation between partially overlapping images (2007-11-20),
4. 7271803 - Method and system for simulating stereographic vision (2007-09-18),
5. 7182464 - Projector with adjustably positioned image plate (2007-02-27),
6. 6948654 - Data sheet and information management system using data sheet (2005-09-27),
7. 6830341 - Projector with adjustably positioned image plate (2004-12-14),
8. 6798924 - System and method for displaying an image indicating a positional relation between partially overlapping images (2004-09-28),
9. 6634559 - Data sheet and information management system using data sheet (2003-10-21),
10. 6609797 - Projector with adjustably positioned image plate (2003-08-26),
11. 6574375 - Method for detecting inverted text images on a digital scanning device (2003-06-03),
12. 6466701 - System and method for displaying an image indicating a positional relation between partially overlapping images (2002-10-15),
13. 6366360 - Method and a system for correcting distortion aberrations in high resolution images (2002-04-02),
14. 6361171 - Projector with adjustably positioned image plate (2002-03-26),
15. 6104840 - Method and system for generating a composite image from partially (2000-08-15),

Title: Koichi Ejiri - Innovative Inventor from Chiba, Japan

Introduction: Koichi Ejiri is a renowned inventor hailing from Chiba, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Ejiri's latest patents include advancements in renewable energy technologies, artificial intelligence systems, and sustainable transportation solutions.

Career Highlights: With over two decades of experience in the industry, Koichi Ejiri has a proven track record of developing cutting-edge inventions that have revolutionized various sectors.

Collaborations: Throughout his career, Ejiri has collaborated with leading research institutions, universities, and tech companies to bring his innovative ideas to life and make a lasting impact on society.

Conclusion: Koichi Ejiri's dedication to pushing the boundaries of innovation and his passion for creating a better future through his inventions make him a true pioneer in the world of technology.

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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