H01J 35/147
Spot size control
Official title: {Spot size control}
H01J35/147 (Spot size control) appears on 336 US grants and 307 published applications in this corpus.
Search patents in H01J- Granted patents
- 336
- Published applications
- 307
- Assignees
- 150
- Inventors
- 614
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 2 |
| 2003 | 5 | 2 |
| 2004 | 4 | 7 |
| 2005 | 2 | 7 |
| 2006 | 8 | 9 |
| 2007 | 7 | 7 |
| 2008 | 8 | 3 |
| 2009 | 3 | 8 |
| 2010 | 7 | 16 |
| 2011 | 3 | 10 |
| 2012 | 10 | 14 |
| 2013 | 12 | 11 |
| 2014 | 11 | 15 |
| 2015 | 14 | 33 |
| 2016 | 10 | 15 |
| 2017 | 24 | 16 |
| 2018 | 17 | 21 |
| 2019 | 16 | 12 |
| 2020 | 19 | 18 |
| 2021 | 24 | 20 |
| 2022 | 7 | 11 |
| 2023 | 12 | 11 |
| 2024 | 12 | 17 |
| 2025 | 14 | 15 |
| 2026 | 10 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and arrangement for an X-ray source29 Sep 2026US 12,750,938 B2Excillum AB
- X-ray tube22 Sep 2026US 12,744,177 B2Hamamatsu Photonics K.K.
- System for production of radioisotopes by bremsstrahlung comprising a curved converter25 Aug 2026US 12,718,965 B2Ion Beam Applications S. A.
- Field effect electron emitter with grouped part emission surfaces11 Aug 2026US 12,706,269 B2Siemens Healthineers AG
- Cathode emission device and X-ray tube using same16 Jun 2026US 12,658,398 B2Wuhan United Imaging Healthcare Co., Ltd.
- Electron beam emission structure and field emission device3 Sep 2026US 2026/0260836 A1Meidensha Corporation
- X-ray source for an x-ray imaging system, x-ray imaging system and method for operating an x-ray imaging system16 Jul 2026US 2026/0202357 A1Carl Zeiss SMT GmbH
- Electron emission source including high-density carbon structure-based film, method for manufacturing the same, and x-ray tube using the same2 Apr 2026US 2026/0094782 A1Lmx Co., Ltd.
- Source caps and anode target assemblies for a radiation delivery system19 Mar 2026US 2026/0081091 A1Illinois Tool Works Inc.
- Small-target x-ray system18 Dec 2025US 2025/0385064 A1Excillum AB
Most cited
By later US patents
- Maneuverable and locateable catheters177US 5,651,047 ACardiac Mariners, Inc. · 1997
- X-ray generator150US 6,282,263 B1Bede Scientific Instruments Limited · 2001
- Image reconstruction methods144US 5,644,612 ACardiac Mariners, Inc. · 1997
- Cathode for high emission x-ray tube144US 6,785,359 B2GE Medical Systems Global Technology Company, LLC · 2004
- Scanning beam x-ray imaging system130US 5,835,561 ACardiac Mariners, Inc. · 1998