H01J 2201/316
Having an electric field parallel to the surface thereof
Official title: having an electric field parallel to the surface thereof, e.g. thin film cathodes
H01J2201/316 (Having an electric field parallel to the surface thereof) appears on 255 US grants and 143 published applications in this corpus.
Search patents in H01J- Granted patents
- 255
- Published applications
- 143
- Assignees
- 20
- Inventors
- 229
- Latest grant
- 26 Nov 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 17 | 0 |
| 2001 | 25 | 6 |
| 2002 | 25 | 24 |
| 2003 | 26 | 13 |
| 2004 | 21 | 14 |
| 2005 | 16 | 24 |
| 2006 | 13 | 17 |
| 2007 | 13 | 8 |
| 2008 | 13 | 10 |
| 2009 | 10 | 13 |
| 2010 | 14 | 8 |
| 2011 | 11 | 4 |
| 2012 | 5 | 2 |
| 2013 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fabricating method of electron-emitting device26 Nov 2013US 8,591,984 B2Chunghwa Picture Tubes, Ltd.
- 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
- 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.
- Fabricating method of electron-emitting device22 Sep 2011US 2011/0229630 A1Chunghwa Picture Tubes, Ltd.
- 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
- Air cooling for flat panel displays189US 5,869,919 ACanon Kabushiki Kaisha · 1999
- Electron-emitting device, electron source and image-forming apparatus99US 6,184,610 B2Canon Kabushiki Kaisha · 2001
- Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same94US 6,246,168 B1Canon Kabushiki Kaisha · 2001
- Method of manufacturing electron-emitting device, electron source and image-forming apparatus91US 5,622,634 ACanon Kabushiki Kaisha · 1997
- Image display apparatus, disassembly processing method therefor, and component recovery method81US 6,632,113 B1Canon Kabushiki Kaisha · 2003