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For the Inventor, By the Inventor

Ichikawa, Japan

Kunihisa Yamaguchi

This inventor holds 9 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1988-2010.

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

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

USPTO Granted Patents = 9

% Patents Active = 77.8

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 144(Granted Patents)


Location History:

  • Ichikawa, JP (1988 - 1992)
  • Tokyo, JP (2003)
  • Ohta-ku, JP (2009)
  • Chiba, JP (2003 - 2010)

Company Filing History:

goldMedal9 out of 28,934 
 
Ricoh Company, Ltd.
 patents

Years Active: 1988-2010

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9 patents (USPTO):Explore Patents
1. 7840092 - Medium processing method, copying apparatus, and data filing apparatus (2010-11-23),
2. 7483056 - Image capturing apparatus with blur compensation (2009-01-27),
3. 6577819 - Camera (2003-06-10),
4. 6546200 - Lens interlock mechanism and lens interlock method, camera and portable terminal having lens interlock mechanism (2003-04-08),
5. 5146254 - Apparatus for driving varifocal lens (1992-09-08),
6. 4950061 - Drive device for a varifocal lens system (1990-08-21),
7. 4847648 - Varifocal camera (1989-07-11),
8. 4831399 - Finder switching apparatus for camera (1989-05-16),
9. 4791441 - Multi-focus camera (1988-12-13),

Title: **Kunihisa Yamaguchi: Innovator in Imaging Technologies**

Introduction

Kunihisa Yamaguchi, based in Ichikawa, Japan, is a prominent inventor with an impressive portfolio of nine patents. His work primarily focuses on innovations in image processing and capturing technologies, contributing significantly to the field.

Latest Patents

Among his latest inventions are a medium processing method, a copying apparatus, and a data filing apparatus. The medium processing method allows for the input of images from two different media, recognizing their respective area information and determining a correspondence between them. This innovation enhances the precision of image compositing by adjusting corresponding areas. Additionally, Yamaguchi developed an image capturing apparatus that includes advanced blur compensation features. This apparatus employs a blur-detecting device to identify and compensate for blur in the image by calculating necessary adjustments in real-time, improving the overall image quality.

Career Highlights

Kunihisa Yamaguchi is currently associated with Ricoh Company, Ltd., a leading technology firm known for its contributions to imaging and information technology. His role at Ricoh has allowed him to push the boundaries of image capture and processing, resulting in several pioneering patents.

Collaborations

Throughout his career, Yamaguchi has collaborated with notable coworkers, including Ikuya Tsurukawa and Kohichi Nishi. Their combined expertise has facilitated the development of innovative solutions in imaging technology, further enhancing the impact of their work in the industry.

Conclusion

With nine patents to his name, Kunihisa Yamaguchi stands out as a key figure in the development of advanced imaging technologies. His contributions to the field, particularly in image processing and blur compensation, exemplify the spirit of innovation that drives the industry forward. As a member of Ricoh Company, Ltd., he continues to inspire future advancements in 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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