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For the Inventor, By the Inventor

Tokyo, Japan

U-Shin Ltd.

Calculating rank
USPTO Granted Patents = 78

% Expired Patents = 32.1


Trademarks = 1

Forward Citations = 397

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76 inventors (with patents filed for the assignee):

goldMedal Mikio Yamagata (10 out of 10 patents)

silverMedal Tetsuo Tokudome (9 out of 10 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

78 Patents

#635 in Tokyo

#1,326 in Japan

#9,691 in the World

Tokyo, JP
Tokyo, Japan

U-Shin Ltd.

Forward Citations = 397

76 inventors:

goldMedal Mikio Yamagata (10 out of 10 patents)

silverMedal Tetsuo Tokudome (9 out of 10 patents)

bronzeMedal Nobuya Akagi (7 out of 7 patents)

4.  Atsushi Naka (5 out of 5 patents)

5.  Isao Ochi (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: U-Shin Ltd.. Retrieved from https://idiyas.com/company/u-shin

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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