H01J 2201/2878
Thin film or film-like
H01J2201/2878 (Thin film or film-like) appears on 7 US grants and 1 published applications in this corpus.
Search patents in H01J- Granted patents
- 7
- Published applications
- 1
- Assignees
- 5
- Inventors
- 16
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mounted planar filament31 Mar 2026US 12,592,355 B2Moxtek, Inc.
- Cathode assembly, electron gun assembly, electron tube, heater, and method of manufacturing cathode assembly and electron gun assembly10 Oct 2000US 6,130,502 AKabushiki Kaisha Toshiba
- Display device based on indirectly heated thermionic cathodes3 Nov 1998US 5,831,382 A
- Method for manufacturing a cathode21 Jan 1997US 5,595,933 AU. S. Philips Corporation
- Cathode12 Dec 1995US 5,475,281 AU. S. Philips Corporation
Most cited
By later US patents
- Cathode43US 5,475,281 AU. S. Philips Corporation · 1995
- Method for manufacturing a cathode38US 5,595,933 AU. S. Philips Corporation · 1997
- Thin high temperature heater22US 5,155,340 AMitsubishi Denki Kabushiki Kaisha · 1992
- Cathode assembly, electron gun assembly, electron tube, heater, and method of manufacturing cathode assembly and electron gun assembly22US 6,130,502 AKabushiki Kaisha Toshiba · 2000
- Display device based on indirectly heated thermionic cathodes13US 5,831,382 A1998