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Ark Limited

USPTO Granted Patents = 17

EPO Patents = 1

Trademarks = 2

Forward Citations = 54

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15 inventors (with patents filed for the assignee):

William R Cole, Jr (6 out of 6 patents)

Charles H Sanborn, Iii (5 out of 5 patents)

Joel D Clanton (3 out of 3 patents)

4. Han Jo Kwon (2 out of 3 patents)

5. Geoffrey Chataignier (1 out of 2 patents)

6. Lionel Chataignier (1 out of 2 patents)

7. Léo Giorgis (1 out of 2 patents)

8. Hugo Loi (1 out of 2 patents)

9. Keun Heung Park (1 out of 3 patents)

10. J Dwight Clanton (1 out of 1 patent)

11. Timothy G Clapp (1 out of 11 patents)

12. Ray F Beatty, Iii (1 out of 1 patent)

13. Loring E Young (1 out of 3 patents)

14. Takeshi Nagahama (1 out of 1 patent)

15. Tsutao Nishizaki (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 12197999 - Dynamic two-dimensional code evaluation method, dynamic two-dimensional code evaluation system, and dynamic two-dimensional code evaluation program (2025-01-14),

2. 12165313 - Deep learning architecture system for automatic fundus image reading and automatic fundus image reading method using deep learning architecture system (2024-12-10),

3. 12133685 - Coaxial non-mydriatic multispectral fundus camera using near-infrared ray illumination source and visible ray illumination source (2024-11-05),

4. 12112231 - Dynamic two-dimensional code group generation method and system (2024-10-08),

5. 10613621 - Interactive display system and method for operating such a system (2020-04-07),

6. 5622361 - Method of and apparatus for separating and feeding workpieces of limp (1997-04-22),

7. 5499564 - Method and apparatus for forming a spread (1996-03-19),

8. 5314178 - Automatic feeder for workpieces of limp material (1994-05-24),

9. 5290027 - Article positioning apparatus and method for positioning an article (1994-03-01),

10. 5174558 - Automatic feeder for workpieces of limp material (1992-12-29),

11. 5167406 - Apparatus for automatically inverting workpieces of limp sheet material (1992-12-01),

12. 5151077 - Method and apparatus for perforating material (1992-09-29),

13. 5098079 - Apparatus for stacking pieces of limp material (1992-03-24),

14. 5082267 - Automatic feeder for workpieces of limp material (1992-01-21),

15. 5046712 - Apparatus for handling workpieces of limp sheet material (1991-09-10),

Company Overview

Ark Limited is a Tokyo-based company specializing in advanced technology solutions, focusing on the development and manufacturing of innovative products across various sectors. The organization is known for its expertise in areas such as electronics, software development, and automation technologies. With a commitment to research and development, Ark Limited aims to enhance efficiency and performance in its offerings, catering to both domestic and international markets while fostering technological advancements.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

17 Patents

#1,454 in Tokyo

#3,227 in Japan

#35,918 in the World

Ark Limited

Forward Citations = 54

15 inventors:

William R Cole, Jr (6 out of 6 patents)

Charles H Sanborn, Iii (5 out of 5 patents)

Joel D Clanton (3 out of 3 patents)

4. Han Jo Kwon (2 out of 3 patents)

5. Geoffrey Chataignier (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ark Limited. Retrieved from https://idiyas.com/company/ark

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

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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