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U-Shin Ltd.

USPTO Granted Patents = 78

% Expired Patents = 32.1

EPO Patents = 3

Trademarks = 1

Forward Citations = 393

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76 inventors (with patents filed for the assignee):

Mikio Yamagata (10 out of 10 patents)

Tetsuo Tokudome (9 out of 9 patents)

Nobuya Akagi (7 out of 7 patents)

4. Atsushi Naka (5 out of 5 patents)

5. Isao Ochi (5 out of 5 patents)

6. Keisuke Fukushima (4 out of 4 patents)

7. Kenji Ito (3 out of 3 patents)

8. Kazuyuki Fukushima (3 out of 3 patents)

9. Izumi Dohi (3 out of 3 patents)

10. Hideki Noma (3 out of 3 patents)

11. Masakazu Kumano (3 out of 3 patents)

12. Tsuyoshi Muneta (3 out of 3 patents)

13. Takuya Nishimoto (2 out of 25 patents)

14. Nobuo Tsubokura (2 out of 5 patents)

15. Manabu Tsukazaki (2 out of 2 patents)

Core Competencies:

Door Lock Device

Ultrasonic Detection

Keyless Entry

Actuator

Proximity Sensor

Door Handle

Steering Lock

Motor-Driven Device

Control Panel

Cylinder Lock

Electric Steering Lock

Touch Sensor

78 patents: Sort by Forward Citations

1. 12729569 - Door latch device (2026-09-08),

2. 12655671 - Opening and closing body control device (2026-06-16),

3. 12638312 - Rotation determination device (2026-05-26),

4. 12392176 - Door latch device (2025-08-19),

5. 12386049 - Ultrasonic object detection device (2025-08-12),

6. 12276142 - Door opening/closing detection apparatus and door opening/closing apparatus (2025-04-14),

7. 12045403 - Operation knob apparatus (2024-07-23),

8. 11767688 - Door latch device (2023-09-26),

9. 11577587 - Vehicle door support device (2023-02-14),

10. 11560050 - Lid opening and closing device (2023-01-24),

11. 11533006 - Motor controlling device and on-board system provided with the same (2022-12-20),

12. 11499357 - Door opening and closing device for vehicles (2022-11-15),

13. 11480006 - Vehicle door opening/closing device (2022-10-25),

14. 11466480 - Door locking device (2022-10-11),

15. 11459813 - Door opening and closing device (2022-10-04),

U-Shin Ltd., headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced vehicle door systems. The company focuses on innovative technologies such as door lock devices, keyless entry systems, and ultrasonic detection mechanisms. U-Shin's expertise extends to actuators, proximity sensors, and motor-driven devices, enhancing vehicle security and user convenience. With a commitment to automotive engineering, U-Shin plays a significant role in shaping modern vehicle access solutions.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

78 Patents

#633 in Tokyo

#1,323 in Japan

#9,673 in the World

U-Shin Ltd.

Forward Citations = 393

76 inventors:

Mikio Yamagata (10 out of 10 patents)

Tetsuo Tokudome (9 out of 9 patents)

Nobuya Akagi (7 out of 7 patents)

4. Atsushi Naka (5 out of 5 patents)

5. Isao Ochi (5 out of 5 patents)

Please report any incorrect information to [email protected]

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