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Dongguan, China

Dongguan Littelfuse Electronics Company Limited

USPTO Granted Patents = 15

CIPO Patents = 2

EPO Patents = 2

Forward Citations = 5

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27 inventors (with patents filed for the assignee):

Dongjian Song (6 out of 6 patents)

Libing Lu (4 out of 4 patents)

Hailang Tang (3 out of 5 patents)

4. Wen Ju Yang (3 out of 11 patents)

5. Yanjing Xiao (3 out of 3 patents)

6. Werner Johler (2 out of 13 patents)

7. Jianhua Chen (2 out of 40 patents)

8. Shuying Liu (2 out of 2 patents)

9. Guoliang Chen (2 out of 2 patents)

10. Ming Lei (2 out of 2 patents)

11. Youqun Sui (2 out of 2 patents)

12. Chun-Kwan Tsang (2 out of 10 patents)

13. Yi-hua Deng (2 out of 2 patents)

14. Liang Gu (1 out of 12 patents)

15. Xiaolong Gong (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 12412685 - High soldering strength terminal for surge protection device (2025-09-09),

2. 12211632 - TMOV device (2025-01-28),

3. 12131849 - Fast activation thermal fuse for short circuit current protection (2024-10-29),

4. 11998937 - Height-adjustable masking pallet assembly for arc spray applications (2024-06-04),

5. 11823821 - Polymer voltage-dependent resistor (2023-11-21),

6. 11615899 - Polymer voltage-dependent resistor (2023-03-28),

7. 11410801 - Thermally protected metal oxide varistor (2022-08-09),

8. 11348710 - Surface mount metal oxide varistor device (2022-05-31),

9. 11177057 - Base metal electrodes for metal oxide varistor (2021-11-16),

10. 11107612 - Overheat protection device and varistor (2021-08-31),

11. 11043317 - Conbined tubular metal oxide varistor and gas discharge tube (2021-06-22),

12. 10839993 - Base metal electrodes for metal oxide varistor (2020-11-17),

13. 10446299 - Varistor having multilayer coating and fabrication method (2019-10-15),

14. 10148079 - Surge protection device (2018-12-04),

15. 10062530 - Surge protection device (2018-08-28),

Dongguan Littelfuse Electronics Company Limited is a subsidiary of Littelfuse Inc., a global leader in circuit protection, power control, and sensing technologies. The company specializes in the manufacturing and distribution of electronic components, including fuses, relays, surge protection devices, sensors, and switches. With a focus on quality, reliability, and innovative solutions, Dongguan Littelfuse Electronics Company Limited serves various industries such as automotive, industrial, consumer electronics, and telecommunication. Visit their website for more information about their products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

15 Patents

#32 in Dongguan

#1,689 in China

#38,669 in the World

Dongguan, China

Dongguan Littelfuse Electronics Company Limited

Forward Citations = 5

27 inventors:

Dongjian Song (6 out of 6 patents)

Libing Lu (4 out of 4 patents)

Hailang Tang (3 out of 5 patents)

4. Wen Ju Yang (3 out of 11 patents)

5. Yanjing Xiao (3 out of 3 patents)

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