P

Inventor

CHENG ZHAOHUI

JP26 patents
⚠️ This page may combine multiple inventors who share the name “CHENG ZHAOHUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI HIGH TECH CORP

19 patents
US7683319B2Mar 23, 2010

Charge control apparatus and measurement apparatus equipped with the charge control apparatus

HITACHI HIGH TECH CORP36 citations92
US7655906B2Feb 2, 2010

Method and apparatus for scanning and measurement by electron beam

HITACHI HIGH TECH CORP13 citations83
US7394070B2Jul 1, 2008

Method and apparatus for inspecting patterns

HITACHI HIGH TECH CORP14 citations83
US7218126B2May 15, 2007

Inspection method and apparatus for circuit pattern

HITACHI HIGH TECH CORP7 citations74
US6952105B2Oct 4, 2005

Inspection method and apparatus for circuit pattern of resist material

HITACHI HIGH TECH CORP7 citations74
US9287084B2Mar 15, 2016

Aberration corrector and charged particle beam apparatus using the same

HITACHI HIGH TECH CORP3 citations71
US7633303B2Dec 15, 2009

Semiconductor wafer inspection apparatus

HITACHI HIGH TECH CORP2 citations63
US12400383B2Aug 26, 2025

Training method for learning apparatus, and image generation system

HITACHI HIGH TECH CORP0 citations62
US12340970B2Jun 24, 2025

Charged particle beam device, and method for controlling charged particle beam device

HITACHI HIGH TECH CORP0 citations62
US10840060B2Nov 17, 2020

Scanning electron microscope and sample observation method

HITACHI HIGH TECH CORP1 citations62
US7910884B2Mar 22, 2011

Apparatus and method for inspection and measurement

HITACHI HIGH TECH CORP2 citations62
US7547884B2Jun 16, 2009

Pattern defect inspection method and apparatus thereof

HITACHI HIGH TECH CORP4 citations62
US10446361B2Oct 15, 2019

Aberration correction method, aberration correction system, and charged particle beam apparatus

HITACHI HIGH TECH CORP1 citations61
US7928384B2Apr 19, 2011

Localized static charge distribution precision measurement method and device

HITACHI HIGH TECH CORP2 citations58
US11769649B2Sep 26, 2023

Multipole unit and charged particle beam device

HITACHI HIGH TECH CORP0 citations53
US12327708B2Jun 10, 2025

Charged particle beam device and aberration correction method

HITACHI HIGH TECH CORP0 citations51
US7652248B2Jan 26, 2010

Inspection apparatus and inspection method

HITACHI HIGH TECH CORP0 citations51
US10727024B2Jul 28, 2020

Charged particle beam device and aberration correction method for charged particle beam device

HITACHI HIGH TECH CORP0 citations40
US7714288B2May 11, 2010

Charged particle beam apparatus

HITACHI HIGH TECH CORP0 citations40

MATSUI HIROYUKI

1 patent

CHENG ZHAOHUI

1 patent

SHENZHEN OLYM INFORMATION SECURITY TECH CO LTD

1 patent

SEKIGUCHI TOMOKO

1 patent

SASAKI YUKO

1 patent

YANGTZE MEMORY TECH CO LTD

1 patent

OMORI SEIKO

1 patent