Dkk Corporation

Calculating rank

USPTO Granted Patents = 4

Forward Citations = 37

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11 inventors (with patents filed for the assignee):

Yukio Hashizume (2 out of 2 patents)

Kazunaga Ohno (2 out of 2 patents)

Masahiko Kuwata (2 out of 3 patents)

4. Norio Miura (1 out of 9 patents)

5. Noboru Yamazoe (1 out of 6 patents)

6. Taizo Uda (1 out of 1 patent)

7. Hiroshi Ohkubo (1 out of 1 patent)

8. Toshiyoshi Watanabe (1 out of 2 patents)

9. Kazuo Husimi (1 out of 1 patent)

10. Uehara Yasushi (1 out of 1 patent)

11. Hamano Shoichi (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 7037727 - Apparatus for measuring a medical substance; a sensor for use in the apparatus; and a sensing element for use in the sensor (2006-05-02),

2. 6052429 - X-ray analyzing apparatus (2000-04-18),

3. 5924881 - Electrical connector for IC card (1999-07-20),

4. 5598451 - Apparatus for measuring the sulfur component contained in oil (1997-01-28),

Company Overview

DKK Corporation is a leading provider of innovative solutions in the technology industry. With a diverse portfolio that includes hardware, software, and services, DKK Corporation serves clients in various sectors such as healthcare, finance, and education. The company is known for its commitment to quality, customer satisfaction, and continuous improvement in all aspects of its business operations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#3,058 in Tokyo

#7,590 in Japan

Tokyo, Japan

Dkk Corporation

Forward Citations = 37

11 inventors:

Yukio Hashizume (2 out of 2 patents)

Kazunaga Ohno (2 out of 2 patents)

Masahiko Kuwata (2 out of 3 patents)

4. Norio Miura (1 out of 9 patents)

5. Noboru Yamazoe (1 out of 6 patents)

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

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]