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Gyeonggi-do, South Korea

Hjc Corporation

USPTO Granted Patents = 44

CIPO Patents = 1

EPO Patents = 11

Trademarks = 13

Forward Citations = 440

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23 inventors (with patents filed for the assignee):

Jae Chul Lee (8 out of 34 patents)

Yeon Woo Choi (7 out of 7 patents)

Haeng Bock Jeon (4 out of 4 patents)

4. Doo Hyun Hwang (4 out of 4 patents)

5. Chan Hee Kim (3 out of 3 patents)

6. Donghyun Kim (2 out of 46 patents)

7. Bom Shik Cho (2 out of 2 patents)

8. Chang Seob Lee (2 out of 2 patents)

9. Ki Young Nam (2 out of 2 patents)

10. Jin Hwan Lee (2 out of 4 patents)

11. Joong Koo Ahn (1 out of 2 patents)

12. Young Il Kim (1 out of 13 patents)

13. Yun-Haeng Lee (1 out of 1 patent)

14. Junyoung Lee (1 out of 50 patents)

15. Hanchul Lee (1 out of 1 patent)

Core Competencies:

Helmet Design

Chin Guard Mechanism

Visor Connectors

Breath Deflector

Ventilation Unit

Shield Rotation Control

Action Camera Integration

Head Shape Adaptability

Mouth Vent Technology

Shield Coupling Assembly

44 patents: Sort by Forward Citations

1. 12490796 - Shield rotation controlling means (2025-12-09),

2. D1098610 - Helmet (2025-10-14),

3. D1095998 - Helmet (2025-09-30),

4. 12414598 - Chin guard pivoting mechanism (2025-09-16),

5. 12402683 - Helmet (2025-09-02),

6. 12364304 - Rotating means for helmet (2025-07-22),

7. D1071378 - Set of connectors for a helmet visor (2025-04-14),

8. D1065695 - Helmet (2025-03-04),

9. D1064509 - Set of connectors for a helmet visor (2025-03-04),

10. D1064418 - Helmet (2025-02-25),

11. D1064417 - Helmet (2025-02-25),

12. D1063226 - Helmet (2025-02-18),

13. D1050615 - Helmet (2024-11-05),

14. D1050614 - Deflector for helmet visor (2024-11-05),

15. D1050613 - Helmet (2024-11-05),

HJC Corporation is a leading global manufacturer of high-quality helmets for motorcycle, powersports, and motorsports enthusiasts. With over 50 years of experience, HJC has built a strong reputation for innovative design, superior comfort, and advanced safety features. The company is committed to providing reliable protection and style for riders of all levels, aiming to enhance their overall riding experience. HJC Corporation's helmets are well-known for their durability, aerodynamics, and cutting-edge technology, making them a top choice among riders worldwide. For more information and product offerings, visit their official website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

44 Patents

#28 in Gyeonggi-do

#335 in South Korea

#15,297 in the World

Gyeonggi-do, South Korea

Hjc Corporation

Forward Citations = 440

23 inventors:

Jae Chul Lee (8 out of 34 patents)

Yeon Woo Choi (7 out of 7 patents)

Haeng Bock Jeon (4 out of 4 patents)

4. Doo Hyun Hwang (4 out of 4 patents)

5. Chan Hee Kim (3 out of 3 patents)

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