Yunfeng Li

9 Patents

• US125620802026

  Model Box for Leakage and Collapse of Buried Pipeline Capable of Switching Internal and External Seepage Working Conditions

  NANJING CENTER, CHINA GEOLOGICAL SURVEY (EAST CHINA CENTER FOR GEOSCIENCE INNOVATION)

  0 cites
• US124667392025

  Method and System for Preparing Battery Grade and High Purity Grade Lithium Hydroxide and Lithium Carbonate from High-impurity Lithium Sources

  COLI TECH PTE. Ltd.

  0 cites
• US123356182025

  Optical Image Stabilization (OIS) Control Mode with Per-image Frame Recentering

  Apple Inc.

  0 cites
• US122739732025

  Automatic Compensation Method Based on Temperature Characteristics of RGB Leds

  LUMISSIL MICROSYSTEMS LIMITED

  0 cites
• US122575982025

  Batch Coating Apparatus and Batch Coating Method

  SHENZHEN SISENSING CO., Ltd.

  0 cites
• US122003322025

  Camera Module Particle Capture by Sticky Dust Trap Epoxy

  Apple Inc.

  0 cites
• US118025072023

  Dual-pressure Jet Engine and Device for Work Done by Compressed Air Thereof

  0 cites
• US116168992023

  In-field Monitoring of Autofocus Performance and Instability Mitigation in Camera Systems

  Apple Inc.

  0 cites
• US115738752023

  Product Evaluation Using Transaction Details from a Production System

  Paypal, Inc.

  0 cites