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For the Inventor, By the Inventor

Tokyo, Japan

Yuuichi Katagishi

This inventor holds 5 USPTO granted patents and 2 EPO patents. Top assignee: Nikon Corporation. Active years: 2002-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuuichi Katagishi. Retrieved from https://idiyas.com/inventor/yuuichi-katagishi

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 33(Granted Patents)


Location History:

  • Setagaya-ku, JP (2005 - 2006)
  • Tokyo, JP (2002 - 2014)

Company Filing History:

goldMedal5 out of 8,998 
 
Nikon Corporation
 patents

Years Active: 2002-2014

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5 patents (USPTO):Explore Patents
1. 8705951 - Lens barrel, photographic device, and production method of same (2014-04-22),
2. 8002483 - Photographic device and camera body having rectangular shaped opening, lens barrel attached to the same, and production method of the photographic device and the lens barrel (2011-08-23),
3. 7142780 - Camera system and lens barrel (2006-11-28),
4. 6912358 - Camera and lens barrel (2005-06-28),
5. 6411781 - Lens barrel having a changeover member between automatic focusing and manual focusing (2002-06-25),

Title: Yuuichi Katagishi: Innovator in Photographic Technology

Introduction

Yuuichi Katagishi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of photographic technology, holding a total of 5 patents. His work primarily focuses on lens barrels and photographic devices, showcasing his expertise and innovative spirit.

Latest Patents

Among his latest patents, Katagishi has developed a lens barrel that features bayonet type mount projections. This design allows for a detachable attachment to a lens-fitting unit of a camera body, specifically in areas where light is introduced. Another notable patent involves a photographic device and camera body that includes a rectangular-shaped opening, which is complemented by the lens barrel he designed. These innovations aim to enhance the functionality and efficiency of photographic equipment.

Career Highlights

Yuuichi Katagishi is currently associated with Nikon Corporation, a leading company in the imaging and optics industry. His role at Nikon has allowed him to push the boundaries of photographic technology and contribute to the development of advanced camera systems.

Collaborations

Throughout his career, Katagishi has collaborated with talented individuals such as Makoto Fujiwara and Koushi Yoshibe. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Yuuichi Katagishi's contributions to photographic technology through his patents and work at Nikon Corporation highlight his status as a leading inventor in the field. His innovative designs continue to influence the way we capture and experience images today.

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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