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For the Inventor, By the Inventor

Minsyong, Taiwan

Tong Lung Metal Industry Co., Ltd.


USPTO Granted Patents = 102


Trademarks = 5

Forward Citations = 1,456

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57 inventors (with patents filed for the assignee):

goldMedal Ching-Chuan Kuo (29 out of 30 patents)

silverMedal Ming-Shyang Chiou (18 out of 18 patents)

bronzeMedal Lan-Kun Don (16 out of 16 patents)

4.  Rong-Faa Wu (16 out of 20 patents)

5.  Po-Yang Chen (14 out of 17 patents)

6.  Chen-Ming Lin (14 out of 14 patents)

7.  Yaw-Shin Fann (13 out of 13 patents)

8.  Ruei-Jie Jeng (11 out of 11 patents)

9.  Chun-Yi Fang (11 out of 11 patents)

10.  Yu Lin (11 out of 11 patents)

11.  Yu-Ting Huang (9 out of 9 patents)

12.  Tsung-Chung Huang (8 out of 9 patents)

13.  Chia-Min Sun (8 out of 9 patents)

14.  San-Yi Lin (8 out of 8 patents)

15.  Suh-You Yang (8 out of 8 patents)


Core Competencies:
Electronic Lock
Smart Lock
Bi-Directional Lock Device
Membrane Touch Panel
Escutcheon
Door Handle
Locking Mechanism
Transmission Mechanism
Push-Button Cylinder Lock
Exterior Deadbolt
Re-Keyable Cylinder Lock
Cylindrical Lock

102 patents:

1. 12387862 - Electronic lock (2025-08-12),
2. D1084825 - Electronic lock (2025-07-22),
3. D1084820 - Electronic lock (2025-07-22),
4. D1084819 - Electronic lock (2025-07-22),
5. 12331549 - Electronic lock (2025-06-17),
6. 12324071 - Electronic lock (2025-06-03),
7. D1063590 - Smart lock (2025-02-25),
8. 12234672 - Bi-directional electronic lock device and method for setting up the same when mounted on a door (2025-02-25),
9. 12146341 - Electronic lock device and operation method of the same (2024-11-19),
10. 11914832 - Membrane touch panel device (2024-02-27),
11. D1012667 - Smart lock (2024-01-30),
12. D1003146 - Escutcheon (2023-10-31),
13. D966865 - Door handle (2022-10-18),
14. 11441330 - Electronic lock and input apparatus thereof (2022-09-13),
15. 11145149 - Electronic lock (2021-10-12),
TONG LUNG METAL INDUSTRY CO., LTD. is a leading metal manufacturer based in Taiwan. With over 50 years of experience, the company specializes in providing high-quality metal products for various industries such as automotive, electronics, and construction. TONG LUNG is known for its commitment to innovation, advanced manufacturing techniques, and strict quality control measures. Visit their website to learn more about their products and services.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

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102 Patents

#1 in Minsyong

#228 in Taiwan

#7,442 in the World

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Minsyong, Taiwan

Tong Lung Metal Industry Co., Ltd.

Forward Citations = 1,456

57 inventors:

goldMedal Ching-Chuan Kuo (29 out of 30 patents)

silverMedal Ming-Shyang Chiou (18 out of 18 patents)

bronzeMedal Lan-Kun Don (16 out of 16 patents)

4.  Rong-Faa Wu (16 out of 20 patents)

5.  Po-Yang Chen (14 out of 17 patents)

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