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For the Inventor, By the Inventor

Qingdao, China

Long Zhao

USPTO Granted Patents = 6 

 

Average Co-Inventor Count = 2.9

ph-index = 3

Forward Citations = 19(Granted Patents)


Location History:

  • Shandong, CN (2020)
  • Qingdao, CN (2023 - 2024)

Company Filing History:

goldMedal1 out of 92 
 
Crrc Qingdao Sifang Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2020-2025

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6 patents (USPTO):Explore Patents
1. D1083763 - Tire tread (2025-07-15),
2. D1083757 - Tire (2025-07-15),
3. D1012831 - Tire (2024-01-30),
4. D1007408 - Tire (2023-12-12),
5. D999146 - Tire (2023-09-19),
6. 10822001 - Rail vehicle lighting device (2020-11-03),
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