H01J 2201/317
Combined with other synergetic effects
Official title: combined with other synergetic effects, e.g. secondary, photo- or thermal emission
H01J2201/317 (Combined with other synergetic effects) appears on 23 US grants and 10 published applications in this corpus.
Search patents in H01J- Granted patents
- 23
- Published applications
- 10
- Assignees
- 17
- Inventors
- 45
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cathode mechanism of electron emission source, and method for manufacturing cathode mechanism of electron emission source1 Oct 2024US 12,106,928 B2NuFlare Technology, Inc.
- X-ray tube including hybrid electron emission source4 Dec 2018US 10,147,581 B2Electronics and Telecommunications Research Institute
- Thermal-field type electron source composed of transition metal carbide material8 Nov 2016US 9,490,098 B1Applied Physics Technologies, Inc.
- Thermal-field type electron source composed of transition metal carbide material with artificial facet19 Jan 2016US 9,240,301 B1Applied Physics Technologies, Inc.
- Matrix phosphor cold cathode display employing secondary emission17 Jul 2012US 8,222,813 B2Copytele, Inc.
- Cathode mechanism of electron emission source, and method for manufacturing cathode mechanism of electron emission source27 Apr 2023US 2023/0132046 A1NuFlare Technology, Inc.
- X-ray tube including hybrid electron emission source27 Jul 2017US 2017/0213685 A1Electronics and Telecommunications Research Institute
- Matrix phosphor cold cathode display employing ion activated phosphors7 May 2009US 2009/0115756 A1Copytele, Inc.
- Matrix phosphor cold cathode display employing secondary emission23 Apr 2009US 2009/0102389 A1Copytele, Inc.
- Electron emission source comprising carbon-based material and photoelectric element, method of preparing the same, electron emission device and electron emission display device comprising the electron emission source3 May 2007US 2007/0096619 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Vacuum microelectronic device and method41US 6,672,925 B2Motorola, Inc. · 2004
- Schottky emission cathode and a method of stabilizing the same27US 5,616,926 AHitachi, Ltd. · 1997
- Emissive flat panel display with improved regenerative cathode26US 5,764,004 A1998
- Emissive flat panel display with improved regenerative cathode23US 5,697,827 A1997
- Field emission device employing photon-enhanced electron emission17US 5,461,280 AMotorola, Inc. · 1995