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Smk Corporation

USPTO Granted Patents = 438

% Expired Patents = 37.0

EPO Patents = 39

Trademarks = 3

Forward Citations = 4,199

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263 inventors (with patents filed for the assignee):

Kiyoshi Asai (59 out of 68 patents)

Naoyuki Ono (28 out of 35 patents)

Osamu Yoshikawa (28 out of 30 patents)

4. Tomoyasu Yanase (25 out of 25 patents)

5. Takeshi Matsuda (23 out of 77 patents)

6. Fumio Osawa (20 out of 20 patents)

7. Yasuo Yoshiura (19 out of 20 patents)

8. Haruhiko Kondo (16 out of 19 patents)

9. Atsushi Arai (15 out of 21 patents)

10. Koichiro Ejiri (13 out of 14 patents)

11. Tadahito Sasaki (12 out of 12 patents)

12. Yoshiyasu Ishida (12 out of 12 patents)

13. Haruo Yoshida (12 out of 40 patents)

14. Hirotaka Tsuchiya (11 out of 15 patents)

15. Toshihiro Amei (11 out of 11 patents)

Core Competencies:

Electrical Connector

Coaxial Connector

Floating Mechanism

Board-to-Board Connector

Cable Connector

Sensor Connector

Waterproof Connector

Video Imaging Device

Wireless Power Supply

Touch Panel

Device Controller

Camera Module

438 patents: Sort by Forward Citations

1. D1153039 - Power supply device (2026-10-13),

2. D1149974 - Electrical connector (2026-09-29),

3. D1127878 - Welding electrode holder (2026-05-26),

4. 12585171 - In-vehicle camera rear case and in-vehicle camera case (2026-03-24),

5. 12519275 - Connector with floating mechanism (2026-01-06),

6. 12519257 - Electrical connector to achieve required coplanarity of terminal parts of receptacle, method for manufacturing electrical connector, and method for mounting electrical connector (2026-01-06),

7. D1104980 - Electrical connector (2025-12-09),

8. 12494606 - Board-to-board connector (2025-12-09),

9. D1096636 - Electrical connector (2025-10-07),

10. D1095434 - Electrical connector (2025-09-30),

11. 12424775 - Electrical connector and method for manufacturing electrical connector (2025-09-23),

12. 12418150 - Electrical connector, method for manufacturing electrical connector, and method for mounting electrical connector (2025-09-16),

13. D1090446 - Contact (2025-08-26),

14. D1078643 - Electrical connector (2025-06-10),

15. D1075680 - Electrical connector (2025-05-20),

Company Overview

SMK Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of a wide range of electrical connectors. The company focuses on innovative solutions in various connector types, including coaxial, board-to-board, and cable connectors, as well as advanced technologies such as floating mechanisms and waterproof connectors. Additionally, SMK is involved in the production of sensor connectors and video imaging devices, catering to diverse industries and enhancing connectivity in modern applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

438 Patents

#207 in Tokyo

#419 in Japan

#2,172 in the World

Smk Corporation

Forward Citations = 4,199

263 inventors:

Kiyoshi Asai (59 out of 68 patents)

Naoyuki Ono (28 out of 35 patents)

Osamu Yoshikawa (28 out of 30 patents)

4. Tomoyasu Yanase (25 out of 25 patents)

5. Takeshi Matsuda (23 out of 77 patents)

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

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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