H01J 49/162
Direct photo-ionisation
Official title: {Direct photo-ionisation, e.g. single photon or multi-photon ionisation}
H01J49/162 (Direct photo-ionisation) appears on 124 US grants and 111 published applications in this corpus.
Search patents in H01J- Granted patents
- 124
- Published applications
- 111
- Assignees
- 102
- Inventors
- 327
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 3 |
| 2003 | 6 | 6 |
| 2004 | 4 | 7 |
| 2005 | 1 | 8 |
| 2006 | 8 | 2 |
| 2007 | 5 | 6 |
| 2008 | 2 | 4 |
| 2009 | 4 | 7 |
| 2010 | 1 | 2 |
| 2011 | 3 | 3 |
| 2012 | 4 | 3 |
| 2013 | 5 | 5 |
| 2014 | 1 | 2 |
| 2015 | 4 | 6 |
| 2016 | 4 | 4 |
| 2017 | 7 | 6 |
| 2018 | 4 | 3 |
| 2019 | 2 | 8 |
| 2020 | 6 | 3 |
| 2021 | 4 | 9 |
| 2022 | 5 | 4 |
| 2023 | 3 | 2 |
| 2024 | 4 | 4 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for the molecular atomic analysis of a fluid in the gaseous state22 Jul 2025US 12,368,040 B2Istituto Nazionale Di Fisica Nucleare
- Mass cytometry22 Apr 2025US 12,283,471 B2Fluidigm Canada Inc.
- Devices and methods for laser-assisted micro mass spectroscopy3 Sep 2024US 12,080,532 B2Chemring Sensors and Electronic Systems, Inc.
- Methods and systems for detecting aerosol particles28 May 2024US 11,996,279 B2Zeteo Tech, Inc.
- Methods and systems for detecting aerosol particles without using complex organic MALDI matrices28 May 2024US 11,996,280 B2Zeteo Tech, Inc.
- Thermal desorption with uv irradiation with subsequent ionization systems and methods23 Apr 2026US 2026/0112593 A1Teledyne FLIR Defense, Inc.
- Vertical double-pulse laser ablation cell and use method thereof6 Nov 2025US 2025/0343036 A1China University of Geosciences (Wuhan)
- Apparatus and method for generation of ions from sample material31 Jul 2025US 2025/0246423 A1Bruker Daltonics, Inc.
- Mass Spectrometer and Mass Spectrometry Method17 Oct 2024US 2024/0347328 A1Shimadzu Corporation
- Methods and systems for detecting aerosol particles without using complex organic maldi matrices22 Aug 2024US 2024/0282567 A1Zeteo Tech, Inc.
Most cited
By later US patents
- Vaporization and sequencing of nucleic acids159US 5,580,733 AWayne State University · 1996
- Method for analyzing an organic sample122US 5,210,412 AWayne State University · 1993
- Ion sampling for APPI mass spectrometry91US 6,653,626 B2Agilent Technologies, Inc. · 2003
- Photoionization ion mobility spectrometer61US 5,338,931 AEnvironmental Technologies Group, Inc. · 1994
- Atmospheric pressure photoionization source in mass spectrometry57US 6,646,256 B2Agilent Technologies, Inc. · 2003