Inventor

Chun-Hai Zhang

Inventor

Beijing, CN

Overview

32→

Patents

2014–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 32 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Jprimary

H01JElectric discharge tubes or discharge lamps43%

B82YSpecific uses or applications of nanostructures11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

H01BCables7%

C01BNon-metallic elements6%

C01GCompounds containing metals not covered by subclasses c01d or c01f3%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form1%

B82BNanostructures formed by manipulation of individual atoms, molecules, or limited collections of atoms or molecules as discrete units1%

PatentTitleYear

10,894,717Carbon nanotube field emitter and preparation method thereof2021 10,816,328Far infrared imaging system2020 10,811,211Carbon nanotube field emitter and preparation method thereof2020 10,734,181Carbon nanotube field emitter and preparation method thereof2020 10,720,296Field emission neutralizer comprising a graphitized carbon nanotube structure2020 10,319,563Electronic beam machining system2019 10,297,417Method for characterizing two dimensional nanomaterial2019 10,236,157Electronic beam machining system2019 10,216,088Photolithography method based on electronic beam2019 10,026,584Method for making carbon nanotube slurry2018 9,991,094Low energy electron microscopy2018 9,852,871Detecting system based on terahertz wave2017 9,837,241Tera Hertz reflex klystron2017 9,552,953'Field emission cathode and field emission device'2017 9,390,878'Electron emission source'2016 9,378,920'Electron emission device and electron emission display'2016 9,373,476'Electron emission device and electron emission display'2016 9,373,475'Electron emission source'2016 9,373,477'Electron emission device and electron emission display'2016 9,362,080'Electron emission device and electron emission display'2016 9,362,079'Electron emission source and method for making the same'2016 9,355,825'Ionization vacuum gauge'2016 9,312,089'Method for making field emission cathode'2016 9,305,738'Electron emission device and reflex klystron with the same'2016 9,275,821'Electron emission device and electron emission display'2016 9,269,523'Electron emission device and electron emission display'2016 9,251,988'Field emission cathode and field emission device'2016 9,196,450'X-ray tube'2015 9,184,016'Field emission cathode device and field emission equipment using the same'2015 9,171,689'Method for making carbon nanotube field emitter'2015 8,900,485'Carbon nanotube slurry, method for making the same, and method for making cathod emitter using the same'2014 8,623,938'Inkjet ink and method for making the same'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2021Patents assigned to HON HAI PREC IND CO LTD (32)· patent assignee history

2014–2021Patents assigned to UNIV TSINGHUA (32)· patent assignee history

2014–2016Patents assigned to FAN SHOU-SHAN (3)· patent assignee history

2014–2016Patents assigned to Zhang chun-hai (3)· patent assignee history

2014Patents assigned to HAO HAI-YAN (2)· patent assignee history

2014–2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HON HAI PREC IND CO LTD	32	2014–2021
UNIV TSINGHUA	32	2014–2021
FAN SHOU-SHAN	3	2014–2016
Zhang chun-haiself	3	2014–2016
HAO HAI-YAN	2	2014

Locations

Location	Patents	Span
Beijing, CN	32	2014–2021