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For the Inventor, By the Inventor

Tokyo, Japan

Norikazu Yokonuma

This inventor holds 74 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Digital Imaging Technology (CPC class 3544). Top assignees: Nikon Corporation, Nippon Kogaku K.k.. Active years: 1987-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norikazu Yokonuma. Retrieved from https://idiyas.com/inventor/norikazu-yokonuma

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

Calculating rank
USPTO Granted Patents = 74 

% Patents Active = 90.5

 

Average Co-Inventor Count = 2.6

ph-index = 11

Forward Citations = 672(Granted Patents)

Forward Citations (Not Self Cited) = 658(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa-ken, JP (1996 - 1998)
  • Yokohama, JP (1995 - 1999)
  • Chiyoda, JP (2005)
  • Tokyo, JP (1987 - 2012)
  • Adachi-ku, JP (1999 - 2012)
  • Adachika, JP (2014)

Company Filing History:

goldMedal72 out of 8,997 
 
Nikon Corporation
 patents
silverMedal2 out of 849 
 
Nippon Kogaku K.k.
 patents

Years Active: 1987-2014

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Areas of Expertise:
Digital Camera
Image Compression
Electronic Camera
Film Processing
Charge Storage Element
Red-Eye Effect
Film Scanner
Image Processing Program
Thumbnail Image Signal
Magnetic Data Recording
Film Feed Control
Information Recording
74 patents (USPTO):Explore Patents
1. 8681243 - Digital camera (2014-03-25),
2. 8195032 - Video apparatus and method (2012-06-05),
3. 8189059 - Digital camera and digital camera system (2012-05-29),
4. 7671903 - Electronic camera apparatus and method in which data are recorded, transferred, and erased (2010-03-02),
5. 7590346 - Digital camera (2009-09-15),
6. 7492392 - Electronic camera and image processing program (2009-02-17),
7. 7489343 - Electronic camera (2009-02-10),
8. 7443423 - Electronic camera (2008-10-28),
9. 7343043 - Image compression apparatus, method and recording medium storing an image compression program (2008-03-11),
10. 7174045 - Image compression apparatus, method and recording medium storing an image compression program (2007-02-06),
11. 7012638 - Electronic still camera having a charge storage element (2006-03-14),
12. 6876393 - Electronic camera with battery capability consideration (2005-04-05),
13. 6522354 - Electronic camera and method of operating an electronic camera (2003-02-18),
14. 6359651 - Electronic camera using flash for exposure control (2002-03-19),
15. 6292630 - Camera (2001-09-18),

Title: Norikazu Yokonuma: A Trailblazer in Invention

Introduction: Norikazu Yokonuma, a prolific inventor based in Tokyo, JP, has made significant contributions to the world of technology with his innovative creations. With 74 patents to his name, Yokonuma's inventive spirit and technical prowess have earned him a prominent place in the realm of invention.

Latest Patents:

1. Digital Camera: Yokonuma's digital camera design features an insertion unit for storage media, an image pickup unit, a control unit for image storage, and a medium detection unit for limiting rewrite capabilities. This cutting-edge technology showcases his commitment to pushing the boundaries of imaging devices.

2. Video Apparatus and Method: His video apparatus includes a memory for recording image information and a thumbnail creator for generating thumbnail images. By incorporating user-friendly interfaces for frame designation, Yokonuma's invention enhances the user experience in capturing and viewing moving images.

Career Highlights: Yokonuma's career includes noteworthy stints at renowned companies such as Nikon Corporation and Nippon Kogaku K.K. His tenure at these industry giants has provided him with invaluable experience and expertise in the development of innovative technologies.

Collaborations: Throughout his career, Yokonuma has collaborated with accomplished individuals such as Kazuyuki Kazami and Hideo Hibino. These collaborations have not only fueled his creative process but have also led to the successful realization of groundbreaking inventions.

Conclusion: Norikazu Yokonuma's dedication to innovation, combined with his technical acumen and collaborative efforts, has established him as a trailblazer in the field of invention. His continued pursuit of excellence serves as an inspiration to aspiring inventors and innovators worldwide, shaping the future of technology for generations to come.

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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