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Dyden Corporation

USPTO Granted Patents = 13

% Expired Patents = 38.5

EPO Patents = 3

Trademarks = 2

Forward Citations = 44

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38 inventors (with patents filed for the assignee):

Masataka Watanabe (3 out of 3 patents)

Mitsuharu Noto (3 out of 5 patents)

Daisuke Matsunaga (3 out of 3 patents)

4. Masanobu Kotsubo (2 out of 2 patents)

5. Izumi Maki (2 out of 2 patents)

6. Hiroyuki In (2 out of 2 patents)

7. Fumiyo Annou (2 out of 2 patents)

8. Hiromoto Kitahara (2 out of 2 patents)

9. Shinji Ando (2 out of 2 patents)

10. Masayuki Tsushida (2 out of 2 patents)

11. Toshifumi Ogawa (2 out of 2 patents)

12. Kouji Terasaki (2 out of 2 patents)

13. Tomoko Fukushima (1 out of 1 patent)

14. Tsuyoshi Hayashida (1 out of 2 patents)

15. Kiichiro Egoshi (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 12505937 - Cable (2025-12-23),

2. 11578267 - Near-infrared light-emitting phosphor, phosphor mixture, light-emitting element, and light-emitting device (2023-02-14),

3. 11555148 - Ultraviolet-emitting phosphor, light-emitting element, and light-emitting device (2023-01-17),

4. 11063223 - Organic electron transport material and organic electroluminescent element using same (2021-07-13),

5. 11031561 - Organic electron transport material and organic electroluminescent element using same (2021-06-08),

6. 11015119 - Ultraviolet light-emitting phosphor, light-emitting element, and light-emitting device (2021-05-25),

7. 10224137 - Electromagnet control apparatus (2019-03-05),

8. 10160905 - Blue-green light-emitting phosphor, light-emitting element, light-emitting device, and white-light-emitting device (2018-12-25),

9. 9779849 - Aluminum-based conductive material and electric wire and cable using the same (2017-10-03),

10. 9293232 - Composite conductor and electric wire using the same (2016-03-22),

11. 9136475 - Organic EL element and method for producing same (2015-09-15),

12. 8950714 - Elongated structure for movable section (2015-02-10),

13. 8537571 - Electric power supply apparatus attached to overhead line to supply electric power to load (2013-09-17),

Company Overview

Dyden Corporation, based in Fukuoka, Japan, specializes in advanced technology solutions, focusing on the development and manufacturing of innovative electronic devices and systems. The company is recognized for its expertise in various domains, including automation technology, robotics, and smart systems, catering to diverse industries. Dyden is committed to enhancing operational efficiency and driving technological advancements, positioning itself as a key player in the evolving landscape of electronic and automation solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#27 in Fukuoka

#3,749 in Japan

#45,039 in the World

Dyden Corporation

Forward Citations = 44

38 inventors:

Masataka Watanabe (3 out of 3 patents)

Mitsuharu Noto (3 out of 5 patents)

Daisuke Matsunaga (3 out of 3 patents)

4. Masanobu Kotsubo (2 out of 2 patents)

5. Izumi Maki (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dyden Corporation. Retrieved from https://idiyas.com/company/dyden

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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