Inventor

YU XIUZHI

CN5 patents

Patents

5 patents

US11487190B2Nov 1, 2022

Quick mounting structure

PGYTECH CO LTD6 citations68

US11959581B2Apr 16, 2024

Quick connection mechanism

PGYTECH CO LTD1 citations59

US11966145B2Apr 23, 2024

Quick-mounting structure, adaptor ring and filter

PGYTECH CO LTD0 citations51

US11982398B2May 14, 2024

Support frame and photographing device

PGYTECH CO LTD0 citations47

US11867348B2Jan 9, 2024

Rotating assembly, supporting stand, and photographing device

PGYTECH CO LTD0 citations46