B01J 2219/00432
Photolithographic masks
B01J2219/00432 (Photolithographic masks) appears on 352 US grants and 436 published applications in this corpus.
Search patents in B01J- Granted patents
- 352
- Published applications
- 436
- Assignees
- 132
- Inventors
- 607
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 17 | 0 |
| 2000 | 14 | 0 |
| 2001 | 18 | 6 |
| 2002 | 27 | 41 |
| 2003 | 28 | 55 |
| 2004 | 17 | 46 |
| 2005 | 22 | 67 |
| 2006 | 16 | 45 |
| 2007 | 7 | 24 |
| 2008 | 18 | 15 |
| 2009 | 11 | 22 |
| 2010 | 18 | 19 |
| 2011 | 16 | 7 |
| 2012 | 8 | 8 |
| 2013 | 7 | 7 |
| 2014 | 5 | 2 |
| 2015 | 7 | 8 |
| 2016 | 9 | 14 |
| 2017 | 6 | 9 |
| 2018 | 3 | 7 |
| 2019 | 7 | 8 |
| 2020 | 11 | 7 |
| 2021 | 3 | 5 |
| 2022 | 3 | 5 |
| 2023 | 3 | 5 |
| 2024 | 2 | 0 |
| 2025 | 3 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- DNA canvas for information storage and nanofabrication26 May 2026US 12,640,236 B2Massachusetts Institute of Technology
- Molecular array generation using photoresist12 May 2026US 12,624,392 B210x Genomics, Inc.
- De novo synthesized gene libraries10 Mar 2026US 12,569,822 B2Twist Bioscience Corporation
- On-flow cell three dimensional polymer structures23 Dec 2025US 12,502,665 B2Illumina, Inc.
- Substrates, peptide arrays, and methods28 Oct 2025US 12,454,771 B2Vibrant Holdings, LLC
- On-flow cell three dimensional polymer structures20 Aug 2026US 2026/0241381 A1Illumina, Inc.
- De novo synthesized gene libraries21 May 2026US 2026/0138111 A1Twist Bioscience Corporation
- Substrates, peptide arrays, and methods12 Mar 2026US 2026/0071353 A1Vibrant Holdings, LLC
- Microarrays and methods13 Mar 2025US 2025/0083117 A1Verndari, Inc.
- Methods and devices for de novo oligonucleic acid assembly19 Oct 2023US 2023/0331765 A1Twist Bioscience Corporation
Most cited
By later US patents
- Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof1,998US 5,143,854 AAffymax Technologies N.V. · 1992
- Array of oligonucleotides on a solid substrate1,585US 5,445,934 AAffymax Technologies N.V. · 1995
- Arrays of materials attached to a substrate1,410US 5,744,305 AAffymetrix, Inc. · 1998
- Method and apparatus for conducting an array of chemical reactions on a support surface1,036US 5,474,796 AProtogene Laboratories, Inc. · 1995
- Very large scale immobilized polymer synthesis967US 5,424,186 AAffymax Technologies N.V. · 1995