A61N 5/1036
Leaf sequencing algorithms
Official title: {Leaf sequencing algorithms}
A61N5/1036 (Leaf sequencing algorithms) appears on 172 US grants and 192 published applications in this corpus.
Search patents in A61N- Granted patents
- 172
- Published applications
- 192
- Assignees
- 58
- Inventors
- 251
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 3 |
| 2005 | 3 | 3 |
| 2006 | 5 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 7 |
| 2009 | 3 | 3 |
| 2010 | 6 | 3 |
| 2011 | 4 | 5 |
| 2012 | 3 | 4 |
| 2013 | 4 | 4 |
| 2014 | 3 | 4 |
| 2015 | 8 | 4 |
| 2016 | 2 | 5 |
| 2017 | 9 | 17 |
| 2018 | 4 | 14 |
| 2019 | 13 | 20 |
| 2020 | 15 | 20 |
| 2021 | 15 | 15 |
| 2022 | 17 | 9 |
| 2023 | 15 | 20 |
| 2024 | 17 | 8 |
| 2025 | 12 | 11 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for automated volumetric modulated arc therapy (VMAT) for external radiation therapy8 Sep 2026US 12,728,286 B2Memorial Sloan Kettering Cancer Center
- Apparatus and method for facilitating optimization of a radiation treatment plan for a particular patient using at least one multi-leaf collimator25 Aug 2026US 12,714,879 B2Siemens Healthineers International AG
- Tumor radiotherapy planning design method and apparatus, electronic device and storage medium3 Mar 2026US 12,564,732 B2Xiangya Hospital Central South University
- Methods for real-time image guided radiation therapy13 Jan 2026US 12,521,571 B2RefleXion Medical, Inc.
- Using organ similarity metric to determine optimization strategy in adaptive radiation therapy30 Dec 2025US 12,508,444 B2Siemens Healthineers International AG
- Field-to-target assignment in radiotherapy treatment planning20 Aug 2026US 2026/0241205 A1Siemens Healthineers International AG
- Methods for real-time image guided radiation therapy6 Aug 2026US 2026/0224916 A1RefleXion Medical, Inc.
- Systems and methods for determining a location of a gross target volume of a patient25 Jun 2026US 2026/0175048 A1
- Method for use with a radiotherapy device14 May 2026US 2026/0131161 A1Elekta Limited
- Multi-leaf collimators, radiation treatment devices, and control methods thereof30 Apr 2026US 2026/0115493 A1Shanghai United Imaging Healthcare Co., Ltd.
Most cited
By later US patents
- Intensity modulated arc therapy with dynamic multi-leaf collimation182US 5,818,902 AElekta Limited · 1998
- Apparatus and method pertaining to dynamic use of a radiation therapy collimator155US 7,894,574 B1Varian Medical Systems International AG · 2011
- Automatically determining a beam parameter for radiation treatment planning97US 7,590,219 B2Accuray Incorporated · 2009
- Leaf-end configuration for multileaf collimator86US 5,166,531 AVarian Associates, Inc. · 1992
- Multi-leaf collimator constrained optimization of intensity modulated treatments75US 6,240,161 B1Siemens Medical Systems, Inc. · 2001