Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Double freeform-surface lens with uniform color temperature

Double freeform-surface lens with uniform color temperature

US Patent 10578275 · Granted Mar 3, 2020

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and system for extracting OD locations of vehicle on expressway2025
Portable playback device power management2025
Method for locating abnormal temperature event of distributed optical fiber2025
Cup holder2025
Wire-guided automatic pay-off device and method2025
Method, apparatus and device for generating device fingerprint and storage mediu2025
Preparation method of high-linearity GaN-based millimeter wave device2025
Safety control method and apparatus for autonomous driving assistance system2025
Firewall insights processing and machine learning2025
Portable playback device power management2025
Electrochemical apparatus and electronic apparatus containing same2025
Micro-sized face-up led device with micro-hole array and preparation method ther2025