EPO Patents = 5

Forward Citations = 1

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12 inventors (with patents filed for the assignee):

Keisuke Sato (3 out of 12 patents)

Takayoshi Sasaki (2 out of 6 patents)

Higeyoshi Takahashi (2 out of 2 patents)

4. Yoshiki Shirasawa (2 out of 3 patents)

5. Tanan Hongnara (2 out of 3 patents)

6. Katsumori Sasaki (2 out of 3 patents)

7. Hitoshi Onoda (1 out of 2 patents)

8. Yusuke Suzuki (1 out of 19 patents)

9. Ichiro Oshima (1 out of 3 patents)

10. Hirotaka Ogura (1 out of 1 patent)

11. Sadayuki Makiyama (1 out of 1 patent)

12. Eiji Amakawa (1 out of 1 patent)

13. Takuya Seki (3 patents)

14. Yukitaka Takahashi (1 patent)

15. Masayuki Nakano (3 patents)

6 patents: Sort by Forward Citations

1. 12671188 - Reflect array, design method for reflect array, and reflect array system (2026-06-30),

2. 12395231 - Reflect array, reflect array system, communication system, wall material with built-in reflect array, and mobile communication system (2025-08-19),

3. 12374807 - Array antenna (2025-07-29),

4. 12283753 - Dual polarized folded dipole element and antenna (2025-04-21),

5. 11848490 - Cover assembly (2023-12-19),

6. D940355 - Cover assembly to be mounted on pole (2022-01-04),

Company Overview

Dkk Co., Ltd. is a leading company specializing in innovative solutions across various industries. With a commitment to quality and customer satisfaction, Dkk Co., Ltd. focuses on delivering cutting-edge products and services that meet the evolving needs of its clients. The company prides itself on its experienced team and robust research and development capabilities, ensuring that it remains at the forefront of technological advancements. Dkk Co., Ltd. aims to foster long-term partnerships with its customers by providing exceptional support and tailored solutions that drive success.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#2,469 in

#5,989 in

Tokyo, Japan

Dkk Co., Ltd.

Forward Citations = 1

12 inventors:

Keisuke Sato (3 out of 12 patents)

Takayoshi Sasaki (2 out of 6 patents)

Higeyoshi Takahashi (2 out of 2 patents)

4. Yoshiki Shirasawa (2 out of 3 patents)

5. Tanan Hongnara (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dkk Co., Ltd.. Retrieved from https://idiyas.com/company/dkk-company

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]

5 patents (EPO):

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]