A61L 27/3891
As distinct cell layers
Official title: {as distinct cell layers}
A61L27/3891 (As distinct cell layers) appears on 99 US grants and 171 published applications in this corpus.
Search patents in A61L- Granted patents
- 99
- Published applications
- 171
- Assignees
- 113
- Inventors
- 384
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 5 |
| 2003 | 5 | 7 |
| 2004 | 1 | 5 |
| 2005 | 2 | 4 |
| 2006 | 2 | 7 |
| 2007 | 0 | 2 |
| 2008 | 3 | 3 |
| 2009 | 2 | 8 |
| 2010 | 3 | 9 |
| 2011 | 2 | 6 |
| 2012 | 6 | 10 |
| 2013 | 4 | 7 |
| 2014 | 7 | 5 |
| 2015 | 5 | 4 |
| 2016 | 2 | 9 |
| 2017 | 6 | 9 |
| 2018 | 1 | 9 |
| 2019 | 5 | 7 |
| 2020 | 7 | 11 |
| 2021 | 5 | 9 |
| 2022 | 7 | 8 |
| 2023 | 3 | 10 |
| 2024 | 2 | 5 |
| 2025 | 5 | 7 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 3D printing of biomimetic flexible multilayer blood vessels15 Sep 2026US 12,734,026 B2The George Washington University
- Three-dimensional (3D) tissue scaffold with cell alignment26 Aug 2025US 12,398,358 B2The Trustees of Princeton University
- Tissue engineered intestine12 Aug 2025US 12,383,656 B2Nanofiber Solutions, LLC
- Engineered tissues for in vitro research uses, arrays thereof, and methods of making the same29 Jul 2025US 12,372,515 B2Organovo, Inc.
- Tissue construct, methods of producing and using the same13 May 2025US 12,296,069 B2President and Fellows of Harvard College
- Compositions and methods for three-dimensional (3d) bioprinting13 Aug 2026US 2026/0232869 A1The Regents of the University of California
- Method for manufacturing retinal sheet30 Jul 2026US 2026/0216405 A1Kobe City Hospital Organization
- Method and apparatus for preparing a tubular structure23 Apr 2026US 2026/0109923 A1The University Court of the University of Edinburgh
- Bilayer of retinal pigmented epithelium and photoreceptors and use thereof16 Apr 2026US 2026/0103678 A1FUJIFILM Cellular Dynamics, Inc.
- Engineered tissues for in vitro research uses, arrays thereof, and methods of making the same15 Jan 2026US 2026/0016465 A1Organovo, Inc.
Most cited
By later US patents
- Multilayer skin or dermal equivalent having a layer containing mesenchymal stem cells232US 6,497,875 B1Case Western Reserve University · 2002
- Culturing different cell populations on a decellularized natural biostructure for organ reconstruction150US 6,479,064 B1Children's Medical Center Corporation · 2002
- Preparing artificial organs by forming polylayers of different cell populations on a substrate141US 6,428,802 B1Children's Medical Center Corporation · 2002
- Tissue re-surfacing with hydrogel-cell compositions119US 5,944,754 AUniversity of Massachusetts · 1999
- Bladder submucosa seeded with cells for tissue reconstruction109US 6,171,344 B2Children's Medical Center Corporation · 2001