Inventor

CHANG JIANPING

CN24 patents

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

CHANG JIANPING

NUCTECH CO LTD

Detection apparatus and detection method

Detection apparatus and detection method

Detection apparatus and detection method

Sample injection device and method for sample collection and sample thermal desorption, and trace detection apparatus

General sample injector, gas chromatograph and combined spectrometer

Sensitive film for neutron detection and method for forming the same

Sample feeding device for ion mobility spectrometer, method of using the same and ion mobility spectrometer

Darkroom type security inspection apparatus and method

Sampling device and gas curtain guide

Gas analyzing apparatus and sampling device

Gas chromatograph-ion mobility spectrometer system

High purity germanium detector

Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium

Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium

Ion mobility spectrometer system

Cryostat

Sample introduction device

Safety inspection detector and goods safety inspection system comprising sealing material filled between an opening on a housing and the end portion of a detection module

UNIV TSINGHUA

Process for the preparation of gadolinium oxysulfide scintillation ceramics

Darkroom type security inspection apparatus and method

Method for processing ceramic scintillator array

Process for the preparation of gadolinium oxysulfide (Gd2O2S) scintillation ceramics

LI YUANJING

Sample feeding device for trace detector and trace detector with sample feeding device

NUTECH COMPANY LTD

Signal extraction circuits and methods for ion mobility tube, and ion mobility detectors