A01H 4/00
Plant reproduction by tissue culture techniques
Official title: Plant reproduction by tissue culture techniques {; Tissue culture techniques therefor}
A01H4/00 (Plant reproduction by tissue culture techniques) appears on 1,187 US grants and 1,148 published applications in this corpus.
Search patents in A01H- Granted patents
- 1,187
- Published applications
- 1,148
- Assignees
- 597
- Inventors
- 2,604
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 10 | 0 |
| 1987 | 15 | 0 |
| 1988 | 8 | 0 |
| 1989 | 14 | 0 |
| 1990 | 9 | 0 |
| 1991 | 18 | 0 |
| 1992 | 11 | 0 |
| 1993 | 17 | 0 |
| 1994 | 27 | 0 |
| 1995 | 17 | 0 |
| 1996 | 28 | 0 |
| 1997 | 21 | 0 |
| 1998 | 32 | 0 |
| 1999 | 30 | 0 |
| 2000 | 21 | 0 |
| 2001 | 15 | 4 |
| 2002 | 26 | 33 |
| 2003 | 19 | 39 |
| 2004 | 20 | 36 |
| 2005 | 14 | 46 |
| 2006 | 15 | 31 |
| 2007 | 17 | 30 |
| 2008 | 12 | 31 |
| 2009 | 20 | 29 |
| 2010 | 22 | 29 |
| 2011 | 38 | 37 |
| 2012 | 22 | 34 |
| 2013 | 24 | 39 |
| 2014 | 28 | 42 |
| 2015 | 51 | 57 |
| 2016 | 34 | 31 |
| 2017 | 24 | 70 |
| 2018 | 33 | 79 |
| 2019 | 154 | 101 |
| 2020 | 100 | 88 |
| 2021 | 33 | 45 |
| 2022 | 31 | 56 |
| 2023 | 29 | 48 |
| 2024 | 33 | 41 |
| 2025 | 28 | 38 |
| 2026 | 25 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mammal kinase inhibitors to promote in vitro embryogenesis induction of plants22 Sep 2026US 12,740,520 B2Consejo Superior De Investigaciones Cientificas (Csic)
- Tissue culture method and propagation method of Cathaya argyrophylla22 Sep 2026US 12,740,521 B2Gx Eco-Engineering Vocational & Technical College
- High-throughput, modular, portable, live-imaging root system and method22 Sep 2026US 12,740,522 B2King Abdullah University of Science and Technology
- Stevia extracts8 Sep 2026US 12,727,609 B2PureCircle Sdn Bhd
- Petunia-calibrachoa variety SAKPXC0381 Sep 2026US 12,721,296 B2Sakata Seed Corporation
- Edible plant cell culture biomass based on fruit endocarp and/or seed explants and methods of its preparation8 Oct 2026US 2026/0305551 A1
- Methods for rapid agrobacterium-mediated sunflower stable transformation24 Sep 2026US 2026/0286370 A1Syngenta Crop Protection AG
- Method for efficient and rapid propagation of emmenopterys henryi17 Sep 2026US 2026/0271850 A1Huazhong Agricultural University
- Methods of producing chocolate from cacao plant cell materials20 Aug 2026US 2026/0240099 A1California Cultured Inc
- Promoting regeneration and transformation in plants20 Aug 2026US 2026/0240100 A1KWS SAAT SE & Co. KGaA
Most cited
By later US patents
- Soybean transformation and regeneration methods2,169US 5,968,830 AMississippi State University · 1999
- Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof416US 5,550,318 ADekalb Genetics Corporation · 1996
- Genetically engineered duckweed252US 6,040,498 ANorth Caroline State University · 2000
- Process of producing fertile transgenic zea mays plants and progeny comprising a gene encoding phosphinothricin acetyl transferase223US 5,489,520 ADekalb Genetics Corporation · 1996
- Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof149US 6,399,861 B1Dekalb Genetics Corporation · 2002