Inventor
DUAN JINHUA
CN10 patents
⚠️ This page may combine multiple inventors who share the name “DUAN JINHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO LTD
9 patentsUSD1030304SJun 11, 2024
Backpack
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO LTD8 citations83
USD1029501SJun 4, 2024
Trolley case
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO LTD3 citations72
USD1062218SFeb 18, 2025
Satchel
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO LTD1 citations62
US12535721B2Jan 27, 2026
Photographic equipment assembly and telescopic support thereof
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO LTD0 citations50
US12449089B2Oct 21, 2025
One-step locking stand
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO LTD0 citations50
US12442482B2Oct 14, 2025
Quick connection structure
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO LTD0 citations50
US11982432B2May 14, 2024
Light emitting module for spotlight and spotlight
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO LTD0 citations50
US11822213B1Nov 21, 2023
Softbox and substrate thereof
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO LTD0 citations50
US11821614B2Nov 21, 2023
Photographic lamp and lighting assembly
ZHONGSHAN DASHAN PHOTOGRAPHIC EQUIPMENT CO LTD0 citations50