H01J 2235/1245
Increasing emissive surface area
H01J2235/1245 (Increasing emissive surface area) appears on 31 US grants and 25 published applications in this corpus.
Search patents in H01J- Granted patents
- 31
- Published applications
- 25
- Assignees
- 19
- Inventors
- 59
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 4 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 3 |
| 2023 | 3 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of manufacturing a filament, filament manufactured thereby, and x-ray tube having the filament14 Oct 2025US 12,444,565 B2Remedi Co., Ltd.
- X-ray module26 Nov 2024US 12,154,752 B2Hamamatsu Photonics K.K.
- X-ray module15 Aug 2023US 11,728,121 B2Hamamatsu Photonics K.K.
- X-ray module8 Aug 2023US 11,721,515 B2Hamamatsu Photonics K.K.
- X-ray tube4 Apr 2023US 11,621,139 B2Electronics and Telecommunications Research Institute
- Structural body, x-ray generation apparatus, x-ray computed tomography (ct) apparatus, and manufacturing method for manufacturing heat dissipation portion29 Aug 2024US 2024/0292509 A1Canon Kabushiki Kaisha
- Method of manufacturing a filament, filament manufactured thereby, and x-ray tube having the filament11 Jul 2024US 2024/0234070 A1Remedi Co., Ltd.
- X-ray module14 Sep 2023US 2023/0290604 A1Hamamatsu Photonics K.K.
- X-ray module28 Jul 2022US 2022/0238292 A1Hamamatsu Photonics K.K.
- X-ray module28 Jul 2022US 2022/0238293 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- X-ray generating apparatus38US 6,134,299 AVarian Medical Systems, Inc. · 2000
- High-performance X-ray generating apparatus with improved cooling system37US 6,115,454 AVarian Medical Systems, Inc. · 2000
- X-ray tubes and x-ray systems having a thermal gradient device28US 6,377,659 B1GE Medical Systems Global Technology Company, LLC · 2002
- Removable aperture cooling structure for an X-ray tube23US 7,486,774 B2Varian Medical Systems, Inc. · 2009
- Large surface area x-ray tube shield structure17US 6,519,318 B1Varian Medical Systems, Inc. · 2003