H01J 2329/4639
Focusing electrodes
H01J2329/4639 (Focusing electrodes) appears on 5 US grants and 6 published applications in this corpus.
Search patents in H01J- Granted patents
- 5
- Published applications
- 6
- Assignees
- 5
- Inventors
- 18
- Latest grant
- 29 Apr 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Field emission cathode device and field emission display using the same29 Apr 2014US 8,710,729 B2Hon Hai Precision Industry Co., Ltd.
- Matrix-type cold-cathode electron source device23 Oct 2012US 8,294,351 B2Panasonic Corporation
- Electron emission device and electron emission display using the same26 Jan 2010US 7,652,419 B2Samsung SDI.Co., Ltd.
- Electron emission device27 May 2008US 7,378,789 B2Samsung SDI.Co., Ltd.
- Field emission display having grid plate22 Apr 2008US 7,362,045 B2Samsung SDI.Co., Ltd.
- Field emission cathode device and field emission display using the same21 Jun 2012US 2012/0153802 A1Hon Hai Precision Industry Co., Ltd.
- Matrix-type cold-cathode electron source device6 Jan 2011US 2011/0001421 A1Panasonic Corporation
- Image Display Apparatus1 Jan 2009US 2009/0001870 A1Hitachi, Ltd.
- Electron emission device and electron emission display using the same23 Aug 2007US 2007/0194689 A1Samsung SDI.Co., Ltd.
- Electron emission device5 Oct 2006US 2006/0220524 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents