Patents/Inventors

Dongcheng Han

AnhuiCN4 patents

5 Patents

US123993652025
Optical Waveguide Unit, Array, and Flat Lens
ANHUI EASPEED TECHNOLOGY CO., Ltd.
0 cites
US122309352025
Air Ionization Display Device
ANHUI EASPEED TECHNOLOGY CO., Ltd.
0 cites
US119828382024
Optical Lens
ANHUI EASPEED TECHNOLOGY CO., Ltd.
0 cites
US119772422024
Processing Technology for Single-column and Multi-row Equivalent Negative Refractive Index Plate Lens
ANHUI DONGCHAO SCIENCE AND TECHNOLOGY COMPANY LIMITED
0 cites
US119772452024
Optical Waveguide Unit, Array, and Flat Lens
ANHUI EASPEED TECHNOLOGY CO., Ltd.
0 cites