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  1. Technology classes
  2. /H · Electricity
  3. /H01 · Electric elements
  4. /H01J · Electric discharge tubes or discharge lamps
  5. /H01J 2203/00 · Electron or ion optical arrangements common to discharge tubes or lamps
  6. /H01J 2203/02 · Electron guns
  7. /H01J 2203/0204 · Using cold cathodes
  8. /H01J 2203/0208 · Control electrodes
  9. /H01J 2203/0212 · Gate electrodes
  10. /H01J 2203/0216 · Characterised by the form or structure
  11. /H01J 2203/0224
H01J 2203/0224

Arrangement of gate openings

H01J2203/0224 (Arrangement of gate openings) appears on 3 US grants and 5 published applications in this corpus.

Search patents in H01J

Where it sits

  1. HElectricity
  2. H01Electric elements
  3. H01JElectric discharge tubes or discharge lamps
  4. H01J 2203/00Electron or ion optical arrangements common to discharge tubes or lamps
  5. H01J 2203/02Electron guns
  6. H01J 2203/0204Using cold cathodes
  7. H01J 2203/0208Control electrodes
  8. H01J 2203/0212Gate electrodes
  9. H01J 2203/0216Characterised by the form or structure
  10. H01J 2203/0224Arrangement of gate openings
Granted patents
3
Published applications
5
Assignees
3
Inventors
13
Latest grant
18 Oct 2022

Filings by year

Granted patentsPublished applications
H01J 2203/0224: granted patents and published applications per publication year
YearGranted patentsPublished applications
200901
201000
201101
201200
201301
201410
201500
201600
201701
201810
201900
202000
202100
202211

20092010201120122013201420152016201720182019202020212022

By publication year.

Recent patents

  • Electron source and electron source unit18 Oct 2022US 11,476,075 B2Japan Aerospace Exploration Agency
  • Electron source, X-ray source and device using the X-ray source3 Jul 2018US 10,014,148 B2Nuctech Company Limited
  • Method for manufacturing a carbon nanotube field emission device with overhanging gate23 Dec 2014US 8,916,394 B2California Institute of Technology
  • Electron source and electron source unit19 May 2022US 2022/0157551 A1Japan Aerospace Exploration Agency
  • Electron source, x-ray source and device using the x-ray source8 Jun 2017US 2017/0162359 A1Nuctech Company Limited
  • Carbon nanotube field emission device with overhanging gate24 Oct 2013US 2013/0280830 A1California Institute of Technology
  • Carbon nanotube field emission device with overhanging gate10 Mar 2011US 2011/0057164 A1California Institute of Technology
  • Backlight unit30 Jul 2009US 2009/0189508 A1

Most cited

By later US patents
  • Electron source, X-ray source and device using the X-ray source20US 10,014,148 B2Nuctech Company Limited · 2018
  • Electron source and electron source unit1US 11,476,075 B2Japan Aerospace Exploration Agency · 2022

Top assignees

Documents
  • California Institute of Technology3
  • Japan Aerospace Exploration Agency2
  • NNuctech Company Limited2

Often classified with

  • B82YSpecific uses or applications of nanostructures3
  • H10PGeneric processes or apparatus for the manufacture or treatment of devices covered3
  • Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3
  • B64GCosmonautics2
  • H05GX-ray technique2

Documents that also carry the other class.

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