A61K 41/008
Two-photon or multi-photon pdt
Official title: {Two-Photon or Multi-Photon PDT, e.g. with upconverting dyes or photosensitisers}
A61K41/008 (Two-photon or multi-photon pdt) appears on 69 US grants and 105 published applications in this corpus.
Search patents in A61K- Granted patents
- 69
- Published applications
- 105
- Assignees
- 65
- Inventors
- 217
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 8 |
| 2004 | 1 | 0 |
| 2005 | 2 | 6 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 4 | 5 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 1 | 2 |
| 2012 | 3 | 4 |
| 2013 | 0 | 0 |
| 2014 | 4 | 5 |
| 2015 | 1 | 6 |
| 2016 | 5 | 5 |
| 2017 | 8 | 7 |
| 2018 | 2 | 3 |
| 2019 | 6 | 8 |
| 2020 | 3 | 6 |
| 2021 | 4 | 0 |
| 2022 | 3 | 10 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 3 | 7 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for photoimmunotherapy and related biomarkers11 Aug 2026US 12,704,501 B2Rakuten Medical, Inc.
- Compound for photodynamic therapy of cancer, composition including same, and method for photodynamic therapy of cancer23 Dec 2025US 12,502,430 B2Pukyong National University Industry-University Cooperation Foundation
- Long-acting photoreceptor-binding nanoparticles, and compositions and methods thereof16 Dec 2025US 12,496,343 B2The University of Masachusetts
- Phosphor-containing drug activator, suspension thereof, system containing the suspension, and methods for use18 Feb 2025US 12,226,483 B2Duke University
- X-optogenetics / U-optogenetics24 Dec 2024US 12,172,030 B2Rensselaer Polytechnic Institute
- Long-acting photoreceptor-binding nanoparticles, and compositions and methods thereof16 Jul 2026US 2026/0199472 A1University of Massachusetts
- Fluorescent compounds for synergistic photodynamic and photothermal cancer theranostic21 May 2026US 2026/0137786 A1The Hong Kong University of Science and Technology
- Diagnostic and treatment methods for onychomycosis21 May 2026US 2026/0137815 A1ToeFX Inc.
- Method of treatment or inhibition14 May 2026US 2026/0131004 A1
- Dimeric form of benzoporphyrin derivative photosensitizer and nanoparticles and methods thereof29 Jan 2026US 2026/0028349 A1
Most cited
By later US patents
- Optically-absorbing nanoparticles for enhanced tissue repair134US 6,685,730 B2Rice University · 2004
- Two-photon upconverting dyes and applications132US 5,912,257 AThe Research Foundation of State University of New York · 1999
- Two-photon and multi-photon measurement of analytes in animal and human tissues and fluids109US 5,759,767 A1998
- Method for improved selectivity in photo-activation of molecular agents97US 5,829,448 APhotogen, Inc. · 1998
- Internal two photon excitation device for delivery of PDT to diffuse abnormal cells93US 5,957,960 ALight Sciences Limited Partnership · 1999