Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ultra-short distance projection lens with refractive meridional image surface and refractive sagittal image surface being isolated

Ultra-short distance projection lens with refractive meridional image surface and refractive sagittal image surface being isolated

US Patent 10606049 · Granted Mar 31, 2020

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Gas showerhead with controllable airflow distribution2025
TBM tunneling test bench for microwave-assisted rotary rock breaking2025
Microspheric ionomer having cross-linked structure, preparation method therefor,2025
Hard rock tunnel boring machine combining microwave heating with high pressure w2024
Microspheric ionomer having cross-linked structure, preparation method therefor,2024
Gelable system containing ether compounds, preparation method therefor and use t2023
Composite porous membrane and preparation method therefor and use thereof2023
Flexible all-solid-state lithium-ion secondary battery having gelable system con2023
Gelable system and uses thereof in lithium-air batteries, organic supercapacitor2023
Preparation method of a catalyst component for olefin polymerization2019
Magnesium halide solution, preparing method and use thereof2018
Refrigerating apparatus2018