G01N 2030/647
Surface ionisation
Official title: {surface ionisation}
G01N2030/647 (Surface ionisation) appears on 13 US grants and 7 published applications in this corpus.
Search patents in G01N- Granted patents
- 13
- Published applications
- 7
- Assignees
- 7
- Inventors
- 28
- Latest grant
- 11 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 2 | 0 |
| 2020 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Dielectric barrier discharge ionization detector11 Aug 2020US 10,739,309 B2Osaka University
- Discharge ionization current detector10 Mar 2020US 10,585,073 B2Shimadzu Corporation
- Dielectric barrier discharge ionization detector8 Oct 2019US 10,436,750 B2Osaka University
- Dielectric barrier discharge ionization detector8 Oct 2019US 10,436,751 B2Shimadzu Corporation
- Discharge ionization current detector and method for aging treatment of the same6 Dec 2016US 9,513,257 B2Shimadzu Corporation
- Dielectric barrier discharge ionization detector8 Mar 2018US 2018/0067079 A1Osaka University
- Dielectric barrier discharge ionization detector8 Mar 2018US 2018/0067080 A1Shimadzu Corporation
- Dielectric barrier discharge ionization detector8 Mar 2018US 2018/0067082 A1Osaka University
- Discharge ionization current detector31 Dec 2015US 2015/0377844 A1Shimadzu Corporation
- Discharge ionization current detector and method for aging treatment of the same26 Feb 2015US 2015/0054521 A1Shimadzu Corporation
Most cited
By later US patents
- Method of analysis of organic compounds in chromatography and apparatus for performing this method11US 5,028,544 A1991
- Microfabricated thermionic detector11US 8,298,488 B1Sandia Corporation · 2012
- Planar micro-discharge gas detector10US 7,701,578 B12010
- Surface ionization detector for detecting trace amounts of organic molecules7US 5,426,056 A1995
- Thermionic ionization detector with flow-through thermionic source4US 5,521,098 AHewlett-Packard Company · 1996