H01J 2329/0489
Surface conduction emission type cathodes
H01J2329/0489 (Surface conduction emission type cathodes) appears on 52 US grants and 53 published applications in this corpus.
Search patents in H01J- Granted patents
- 52
- Published applications
- 53
- Assignees
- 9
- Inventors
- 91
- Latest grant
- 12 Feb 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 1 |
| 2003 | 4 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 6 |
| 2006 | 4 | 4 |
| 2007 | 6 | 4 |
| 2008 | 4 | 9 |
| 2009 | 0 | 12 |
| 2010 | 9 | 6 |
| 2011 | 8 | 3 |
| 2012 | 5 | 2 |
| 2013 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for making electron emission apparatus12 Feb 2013US 8,371,892 B2Hon Hai Precision Industry Co., Ltd.
- Electron emission apparatus and method for making the same5 Feb 2013US 8,368,296 B2Hon Hai Precision Industry Co., Ltd.
- Field emission device and field emission display using same23 Oct 2012US 8,294,355 B2Hon Hai Precision Industry Co., Ltd.
- Image display apparatus25 Sep 2012US 8,274,225 B2Canon Kabushiki Kaisha
- Electron emission apparatus and method for making the same7 Aug 2012US 8,237,344 B2Hon Hai Precision Industry Co., Ltd.
- Method for making electron emission apparatus30 Aug 2012US 2012/0220182 A1Hon Hai Precision Industry Co., Ltd.
- Field emission device and field emission display using same21 Jun 2012US 2012/0153810 A1Hon Hai Precision Industry Co., Ltd.
- Display apparatus and display panel driving method10 Nov 2011US 2011/0273492 A1Canon Kabushiki Kaisha
- Electron emission apparatus and method for making the same28 Jul 2011US 2011/0181171 A1Hon Hai Precision Industry Co., Ltd.
- Image display apparatus14 Jul 2011US 2011/0169719 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same94US 6,246,168 B1Canon Kabushiki Kaisha · 2001
- Electron-emitting device, electron source and image-forming apparatus65US 6,169,356 ACanon Kabushiki Kaisha · 2001
- Method of manufacturing electron-emitting device electron source and image-forming apparatus54US 6,179,678 B2Canon Kabushiki Kaisha · 2001
- Image formation apparatus41US 6,879,096 B1Canon Kabushiki Kaisha · 2005
- Image formation apparatus having getters spacers and wires30US 7,737,617 B2Canon Kabushiki Kaisha · 2010