QZ

Qiang Zhan

XC Xiamen Fulaishi Film Tools Co.: 5 patents #1 of 1Top 100%
Huawei: 5 patents #2,609 of 15,535Top 20%
WC Weichai Power Co.: 2 patents #17 of 148Top 15%
FC Fuzhou F&V Photographic Equipment Co.: 1 patents #2 of 2Top 100%
Overall (All Time): #264,862 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12316791 Rotation shaft structure and electronic device Changliang Liao, Weifeng Wu, Li Liao, Kenji Nagai, Ding Zhong +9 more 2025-05-27
12047521 Rotation shaft structure and electronic device Changliang Liao, Weifeng Wu, Li Liao, Kenji Nagai, Ding Zhong +9 more 2024-07-23
D1023383 Spotlight 2024-04-16
11846998 Folding module and foldable electronic device Weifeng Wu, Tao Huang, Li Liao, Haiqiang Tian 2023-12-19
11762431 Rotating shaft structure and electronic device Li Liao 2023-09-19
D993476 Tube light for photography and video 2023-07-25
11706886 Folding apparatus and electronic device Weifeng Wu, Tao Huang, Li Liao, Haiqiang Tian, Yuehua Hu 2023-07-18
D974628 Light for photography and video 2023-01-03
11448168 Exhaust gas recirculation system and engine Guoliang Chu 2022-09-20
11352961 Valve rocker arm assembly, variable air distribution mechanism and engine Jibin Zhu, Zhiqiang Li 2022-06-07
11353194 Multifunctional light-control accessory frame 2022-06-07
D915641 LED video light 2021-04-06
D887605 Video and photography light 2020-06-16
D869544 Photography or video light 2019-12-10
D848054 Spotlight 2019-05-07
D814678 LED light 2018-04-03
9163531 Self-adaptive hydraulic variable valve timing system for diesel engine and control method Wanhua Su, Yiqiang Pei, Erxi Liu, Songlin Wu 2015-10-20