Akira Yokoyama

This inventor holds 11 USPTO granted patents and 1 published patent application. Top assignees: Canon Kabushiki Kaisha, E.i. Dupont De Nemours and Company. Active years: 2004-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Yokoyama. Retrieved from https://idiyas.com/inventor/akira-yokoyama-p3rd841i

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

Calculating rank

USPTO Granted Patents = 11 (Patent Applications = 1)

% Patents Active = 63.6

Average Co-Inventor Count = 1.2

ph-index = 2

Forward Citations = 42(Granted Patents)

Location History:

Tochigi, JP (2004)
Utsunomiya, JP (2005 - 2022)

Company Filing History:

10 out of 93,258

Canon Kabushiki Kaisha

patents

1 out of 16,339

E.i. Dupont De Nemours and Company

patents

Years Active: 2004-2026

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12650540 - Optical apparatus, image pickup apparatus, and projection apparatus (2026-06-09),

2. 12461334 - Lens barrel, lens apparatus and image pickup apparatus (2025-11-04),

3. 11269157 - Optical apparatus (2022-03-08),

4. 10203468 - Lens apparatus (2019-02-12),

5. 9671674 - Stop mechanism, lens apparatus using the same, and image pickup apparatus (2017-06-06),

6. 9285659 - Optical accessory adapter (2016-03-15),

7. 8695258 - Nameplate attachment structure, camera platform apparatus, and camera apparatus (2014-04-15),

8. 8480318 - Driving force transmitting device and camera platform device using the same (2013-07-09),

9. 8016493 - Magnetic coupling and camera platform using magnetic coupling (2011-09-13),

10. 6844051 - Separation fingers for electro photographic devices (2005-01-18),

11. 6822809 - Drive transmission device and optical apparatus using same (2004-11-23),

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]

1 patent pending: