Inventor

GAO ZHIFENG

CN5 patents

⚠️ This page may combine multiple inventors who share the name “GAO ZHIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WANG JIAN

2 patents

US9595457B2Mar 14, 2017

Methods and apparatus for cleaning semiconductor wafers

WANG JIAN2 citations70

US9492852B2Nov 15, 2016

Methods and apparatus for cleaning semiconductor wafers

WANG JIAN1 citations50

ACM RESEARCH SHANGHAI INC

2 patents

US9633833B2Apr 25, 2017

Methods and apparatus for cleaning semiconductor wafers

ACM RESEARCH SHANGHAI INC1 citations50

US10020208B2Jul 10, 2018

Methods and apparatus for cleaning semiconductor wafers

ACM RESEARCH SHANGHAI INC0 citations49

CHINA RAILWAY FIRST GROUP CO

1 patent

US12110639B1Oct 8, 2024

Rail temperature expansion joint and laying and mounting method

CHINA RAILWAY FIRST GROUP CO0 citations35