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For the Inventor, By the Inventor

Yokohama, Japan

Tsunefumi Tanaka

This inventor holds 65 USPTO granted patents and 1 EPO patent, primarily in Image Processing (CPC class 3504). Top assignee: Canon Kabushiki Kaisha. Active years: 1986-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsunefumi Tanaka. Retrieved from https://idiyas.com/inventor/tsunefumi-tanaka

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

USPTO Granted Patents = 65

% Patents Active = 84.6

 

Average Co-Inventor Count = 2.5

ph-index = 19

Forward Citations = 1,161(Granted Patents)

Forward Citations (Not Self Cited) = 1,117(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohoma, JP (1992)
  • Kanagawa-ken, JP (1996 - 2004)
  • Kanagawa, JP (1986 - 2007)
  • Yokohama, JP (1990 - 2014)
  • Utsunomiya, JP (2015)

Company Filing History:

goldMedal65 out of 92,901 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1986-2015

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Areas of Expertise:
Image Pickup Apparatus
Zoom Lens
Optical Element
Image Display System
Automatic Focusing
Projection Optical System
Reflecting Type Optical System
High Definition Imaging
Vibration Compensation
Magnification-Changing
Optical Device
Image Forming Apparatus
65 patents (USPTO):Explore Patents
1. 8988538 - Image pickup apparatus and lens apparatus (2015-03-24),
2. 8659672 - Image processing apparatus and image pickup apparatus using same (2014-02-25),
3. 8565524 - Image processing apparatus, and image pickup apparatus using same (2013-10-22),
4. 8520313 - Zoom lens and image pickup device including the same (2013-08-27),
5. 7961404 - Zoom lens (2011-06-14),
6. 7876507 - Zoom lens (2011-01-25),
7. 7457045 - Zoom lens (2008-11-25),
8. 7258452 - Projection optical system and a projection type image display apparatus (2007-08-21),
9. 6842280 - Optical element and optical apparatus (2005-01-11),
10. 6812447 - Image pickup apparatus having a wave synthesizer for incident and reference light (2004-11-02),
11. 6785060 - Reflecting type optical system (2004-08-31),
12. 6639729 - Reflecting type of zoom lens (2003-10-28),
13. 6636360 - Reflecting type of zoom lens (2003-10-21),
14. 6507359 - Image display system (2003-01-14),
15. 6426841 - Optical apparatus (2002-07-30),

Title: Tsunefumi Tanaka: Pioneering Inventor from Yokohama

Introduction: Tsunefumi Tanaka is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tanaka's latest patents include a revolutionary design for a solar-powered water purification system and a cutting-edge algorithm for enhancing cybersecurity measures in IoT devices.

Career Highlights: With over two decades of experience in the tech industry, Tanaka has worked for leading companies such as Sony and Toshiba, where he spearheaded projects that have received international acclaim.

Collaborations: Tanaka has collaborated with top research institutions in Japan, such as the University of Tokyo and Kyoto University, to further develop his inventions and bring them to market successfully.

Conclusion: Tsunefumi Tanaka's dedication to innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors worldwide.

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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