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J.s.t.mfg. Co.,ltd.

USPTO Granted Patents = 459

EPO Patents = 51

Trademarks = 3

Forward Citations = 4,357

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255 inventors (with patents filed for the assignee):

Katsuyuki Masaki (20 out of 20 patents)

Kiyoshi Washino (20 out of 21 patents)

Takashi Suyama (20 out of 20 patents)

4. Keiji Kuroda (17 out of 23 patents)

5. Ryo Moriwake (16 out of 17 patents)

6. Shinji Uchida (16 out of 62 patents)

7. Satoru Kihira (16 out of 16 patents)

8. Hiroyuki Matsumoto (16 out of 61 patents)

9. Masaaki Harasawa (15 out of 22 patents)

10. Hiroshi Yamane (15 out of 15 patents)

11. Ping Chen (15 out of 71 patents)

12. Kazuomi Shimizu (15 out of 15 patents)

13. Yutaka Ushiro (15 out of 15 patents)

14. Yusuke Hamada (15 out of 15 patents)

15. Tsuyoshi Fukami (14 out of 14 patents)

Core Competencies:

Electrical Connectors

Coaxial Connectors

Connector Structures

Waterproof Connectors

Cable Connectors

Electrical Connection Devices

Relay Connectors

Connector Locking Mechanisms

Imaging Devices

Board-to-Board Connectors

Vibration Resistant Connectors

Substrate Connection Structures

459 patents: Sort by Forward Citations

1. 12463489 - Stator with molded power line connection (2025-11-04),

2. 12413030 - Connector structure (2025-09-09),

3. 12388220 - Connector (2025-08-12),

4. 12341295 - Connector having a regular fitting detecting member (2025-06-24),

5. 12327946 - Connector to be connected to a partner connection target (2025-06-10),

6. 12327939 - Connector (2025-06-10),

7. 12113318 - Coaxial connector with three-point contact type terminal (2024-10-08),

8. 11888259 - Connector (2024-01-30),

9. 11848520 - Electrical connection structure (2023-12-19),

10. 11799236 - Cable connector having a fitting protrusion for insertion into a mating connector (2023-10-24),

11. 11777263 - Coaxial connector including crimp housing (2023-10-03),

12. 11769958 - Connector for connection to a sheet-like electrically conductive member provided with a plurality of electrically conductive portions that are arranged at different height positions in the thickness direction of the electrically conductive member (2023-09-26),

13. 11658446 - Relay connector and busbar (2023-05-23),

14. 11641069 - Connector housing and terminal arrangement for a stacked-type wire harness (2023-05-02),

15. 11626701 - Coaxial connector having inclined surface on tip end side of shell (2023-04-11),

J.S.T.Mfg. Co.,Ltd. is a manufacturing company specializing in the production of high-quality electronic components. With over 30 years of experience in the industry, we have established ourselves as a trusted supplier for leading electronics companies worldwide. Our team of skilled engineers and technicians are committed to delivering innovative solutions and superior products to meet our clients' specifications. Visit our website for more information and to explore our extensive range of electronic components.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

459 Patents

#42 in Osaka

#392 in Japan

#2,007 in the World

J.s.t.mfg. Co.,ltd.

Forward Citations = 4,357

255 inventors:

Katsuyuki Masaki (20 out of 20 patents)

Kiyoshi Washino (20 out of 21 patents)

Takashi Suyama (20 out of 20 patents)

4. Keiji Kuroda (17 out of 23 patents)

5. Ryo Moriwake (16 out of 17 patents)

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