A01H 1/08
Methods for producing changes in chromosome number
A01H1/08 (Methods for producing changes in chromosome number) appears on 79 US grants and 160 published applications in this corpus.
Search patents in A01H- Granted patents
- 79
- Published applications
- 160
- Assignees
- 76
- Inventors
- 346
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 4 |
| 2012 | 0 | 3 |
| 2013 | 2 | 3 |
| 2014 | 4 | 9 |
| 2015 | 1 | 4 |
| 2016 | 3 | 6 |
| 2017 | 4 | 13 |
| 2018 | 1 | 18 |
| 2019 | 4 | 20 |
| 2020 | 10 | 9 |
| 2021 | 13 | 15 |
| 2022 | 6 | 8 |
| 2023 | 7 | 16 |
| 2024 | 11 | 7 |
| 2025 | 3 | 11 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heterozygous CENH3 monocots and methods of use thereof for haploid induction and simultaneous genome editing23 Jun 2026US 12,660,769 B2Cold Spring Harbor Laboratory
- Plant cell chromosome doubling by application of electromagnetic field19 May 2026US 12,628,750 B2Purdue Research Foundation
- Simultaneous gene editing and haploid induction7 Apr 2026US 12,593,765 B2Syngenta Crop Protection AG
- Corn event 2A-7 and identification method therefor27 Jan 2026US 12,534,768 B2Beijing Grainsmeta Biotech Co., LTD
- Haploid induction compounds and methods for use thereof23 Dec 2025US 12,501,868 B2Wimi Biotechnology (Hainan) Co., Ltd.
- Generating doubled haploid plants27 Aug 2026US 2026/0248087 A1Syngenta Crop Protection AG
- Simultaneous gene editing and haploid induction21 May 2026US 2026/0137041 A1Syngenta Crop Protection AG
- Haploid inducing sorghum plant21 May 2026US 2026/0139265 A1Advanta Holdings BV
- Efficient induction of parthenogenesis in crop plants7 May 2026US 2026/0125696 A1The Regents of the University of California
- Haploid induction compositions and methods for use therefor11 Dec 2025US 2025/0376692 A1Syngenta Crop Protection AG
Most cited
By later US patents
- Chromosome doubling method28US 7,135,615 B2The Curators of the University of Missouri · 2006
- Method for the production of double-haploid cucumbers25US 5,492,827 ANunhems Zaden BV · 1996
- Haploid induction compositions and methods for use therefor17US 9,677,082 B2Syngenta Participations AG · 2017
- Inducing chromosome doubling in anther culture in maize8US 5,770,788 A1998
- Doubling of chromosomes in haploid embryos7US 8,859,846 B2E. I. Du Pont de Nemours and Company · 2014