Inventor
Zhang chun-hai
CN36 patents
⚠️ This page may combine multiple inventors who share the name “Zhang chun-hai”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV TSINGHUA
33 patentsUS10734181B1Aug 4, 2020
Carbon nanotube field emitter and preparation method thereof
UNIV TSINGHUA10 citations83
US9991094B2Jun 5, 2018
Low energy electron microscopy
UNIV TSINGHUA2 citations73
US10811211B1Oct 20, 2020
Carbon nanotube field emitter and preparation method thereof
UNIV TSINGHUA4 citations72
US10720296B1Jul 21, 2020
Field emission neutralizer comprising a graphitized carbon nanotube structure
UNIV TSINGHUA2 citations72
US10816328B2Oct 27, 2020
Far infrared imaging system
UNIV TSINGHUA3 citations71
US9171689B2Oct 27, 2015
Method for making carbon nanotube field emitter
UNIV TSINGHUA4 citations70
US9251988B1Feb 2, 2016
Field emission cathode and field emission device
UNIV TSINGHUA2 citations63
US11542163B2Jan 3, 2023
Carbon nanotube field emitter and preparation method thereof
UNIV TSINGHUA0 citations62
US10894717B1Jan 19, 2021
Carbon nanotube field emitter and preparation method thereof
UNIV TSINGHUA0 citations62
US11360253B2Jun 14, 2022
Generator and method for generating far infrared polarized light
UNIV TSINGHUA0 citations60
US11527336B2Dec 13, 2022
High temperature resistant wire and detector using the same
UNIV TSINGHUA0 citations58
US10319563B2Jun 11, 2019
Electronic beam machining system
UNIV TSINGHUA0 citations52
US10297417B2May 21, 2019
Method for characterizing two dimensional nanomaterial
UNIV TSINGHUA0 citations52
US10236157B2Mar 19, 2019
Electronic beam machining system
UNIV TSINGHUA0 citations52
US10216088B2Feb 26, 2019
Photolithography method based on electronic beam
UNIV TSINGHUA0 citations52
US10026584B2Jul 17, 2018
Method for making carbon nanotube slurry
UNIV TSINGHUA0 citations52
US9552953B2Jan 24, 2017
Field emission cathode and field emission device
UNIV TSINGHUA0 citations52
US9312089B2Apr 12, 2016
Method for making field emission cathode
UNIV TSINGHUA0 citations52
US9196450B2Nov 24, 2015
X-ray tube
UNIV TSINGHUA1 citations52
US11215171B2Jan 4, 2022
Field emission neutralizer
UNIV TSINGHUA0 citations51
US9390878B2Jul 12, 2016
Electron emission source
UNIV TSINGHUA1 citations51
US9378920B2Jun 28, 2016
Electron emission device and electron emission display
UNIV TSINGHUA0 citations51
US9373476B2Jun 21, 2016
Electron emission device and electron emission display
UNIV TSINGHUA0 citations51
US9373477B2Jun 21, 2016
Electron emission device and electron emission display
UNIV TSINGHUA0 citations51
US9373475B2Jun 21, 2016
Electron emission source
UNIV TSINGHUA1 citations51
US9362080B2Jun 7, 2016
Electron emission device and electron emission display
UNIV TSINGHUA1 citations51
US9362079B2Jun 7, 2016
Electron emission source and method for making the same
UNIV TSINGHUA0 citations51
US9275821B2Mar 1, 2016
Electron emission device and electron emission display
UNIV TSINGHUA0 citations51
US9305738B2Apr 5, 2016
Electron emission device and reflex klystron with the same
UNIV TSINGHUA0 citations42
US9269523B2Feb 23, 2016
Electron emission device and electron emission display
UNIV TSINGHUA0 citations41
US9184016B2Nov 10, 2015
Field emission cathode device and field emission equipment using the same
UNIV TSINGHUA0 citations41
US9837241B2Dec 5, 2017
Tera Hertz reflex klystron
UNIV TSINGHUA0 citations39
US9852871B1Dec 26, 2017
Detecting system based on terahertz wave
UNIV TSINGHUA0 citations38