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For the Inventor, By the Inventor

Gyeonggi-do, South Korea

Hjc Corporation


USPTO Granted Patents = 55



Trademarks = 13

Forward Citations = 544

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26 inventors (with patents filed for the assignee):

goldMedal Jae Chul Lee (8 out of 34 patents)

silverMedal Yeon Woo Choi (8 out of 8 patents)

bronzeMedal Haeng Bock Jeon (7 out of 7 patents)

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

5.  Chan Hee Kim (4 out of 4 patents)

6.  Ki Young Nam (4 out of 4 patents)

7.  Jin Hwan Lee (4 out of 6 patents)

8.  Donghyun Kim (3 out of 68 patents)

9.  Chang Seob Lee (3 out of 3 patents)

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

11.  Sung Kwang Kim (2 out of 19 patents)

12.  Jung Hyun Jo (2 out of 2 patents)

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

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

15.  Yun-Haeng 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

55 patents:

1. 12667157 - Chin guard pivoting mechanism (2026-06-30),
2. D1130879 - Helmet (2026-06-16),
3. 12648609 - Guide means for helmet (2026-06-09),
4. D1122529 - Helmet (2026-04-14),
5. D1121244 - Helmet (2026-03-31),
6. D1121242 - Helmet (2026-03-31),
7. 12575633 - Rotating body fixing means for helmet (2026-03-17),
8. 12575632 - Head protection gear (2026-03-17),
9. D1118018 - Helmet (2026-03-10),
10. D1116267 - Helmet (2026-03-03),
11. 12527376 - Helmet (2026-01-20),
12. 12490796 - Shield rotation controlling means (2025-12-09),
13. D1098610 - Helmet (2025-10-14),
14. D1095998 - Helmet (2025-09-30),
15. 12414598 - Chin guard pivoting mechanism (2025-09-16),
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.

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USPTO Data Jan 1 1976 - Sep 15 2026

Hjc Corporation
55 Patents

#21 in Gyeonggi-do

#302 in South Korea

#12,881 in the World

Gyeonggi-do, KR
Gyeonggi-do, South Korea

Hjc Corporation

Forward Citations = 544

26 inventors:

goldMedal Jae Chul Lee (8 out of 34 patents)

silverMedal Yeon Woo Choi (8 out of 8 patents)

bronzeMedal Haeng Bock Jeon (7 out of 7 patents)

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

5.  Chan Hee Kim (4 out of 4 patents)

Please report any incorrect information to [email protected]
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