H01J 2237/2455
Polarisation
Official title: Polarisation (electromagnetic beams)
H01J2237/2455 (Polarisation) appears on 7 US grants and 5 published applications in this corpus.
Search patents in H01J- Granted patents
- 7
- Published applications
- 5
- Assignees
- 9
- Inventors
- 15
- Latest grant
- 18 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 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 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic material observation method, and magnetic material observation apparatus18 Oct 2022US 11,474,169 B2National Institutes for Quantum Science and Technology
- Control imaging methods in advanced ultrafast electron microscopy1 Jul 2014US 8,766,181 B2California Institute of Technology
- Phase-shifting element and particle beam device having a phase-shifting element7 May 2013US 8,436,302 B2Carl Zeiss Microscopy GmbH
- Phase-shifting element and particle beam device having a phase-shifting element8 May 2012US 8,173,963 B2Carl Zeizz NTS GmbH
- Phase-shifting element and particle beam device having a phase-shifting element8 Mar 2011US 7,902,506 B2Carl Zeiss NTS GmbH
- Magnetic material observation method, and magnetic material observation apparatus6 Aug 2020US 2020/0249288 A1National Institutes for Quantum and Radiological Science and Technology
- Control imaging methods in advanced ultrafast electron microscopy15 May 2014US 2014/0131574 A1California Institute of Technology
- Phase-shifting element and particle beam device having a phase-shifting element3 Jan 2013US 2013/0001445 A1Carl Zeiss Microscopy GmbH
- Phase-shifting element and particle beam device having a phase-shifting element29 Sep 2011US 2011/0233402 A1Carl Zeizz NTS GmbH
- Phase-shifting element and particle beam device having a phase-shifting element4 Dec 2008US 2008/0296509 A1Carl Zeiss NTS GmbH
Most cited
By later US patents
- Electron microscope and electron microscopy method10US 5,936,244 AHitachi, Ltd. · 1999
- Scanning electron microscope9US 5,448,064 AHitachi, Ltd. · 1995
- Phase-shifting element and particle beam device having a phase-shifting element6US 7,902,506 B2Carl Zeiss NTS GmbH · 2011
- Phase-shifting element and particle beam device having a phase-shifting element3US 8,173,963 B2Carl Zeizz NTS GmbH · 2012
- Control imaging methods in advanced ultrafast electron microscopy3US 8,766,181 B2California Institute of Technology · 2014