H01J 2229/5635
Astigmatism
H01J2229/5635 (Astigmatism) appears on 21 US grants and 5 published applications in this corpus.
Search patents in H01J- Granted patents
- 21
- Published applications
- 5
- Assignees
- 9
- Inventors
- 24
- Latest grant
- 11 Jun 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 4 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compact modular cathode11 Jun 2019US 10,319,554 B2Massachusetts Institute of Technology
- Color picture tube apparatus15 Nov 2005US 6,965,192 B2Matsushita Electric Industrial Co., Ltd.
- Cathode ray tube with low dynamic correction voltage14 Oct 2003US 6,633,142 B1Hitachi, Ltd.
- Cathode-ray tube apparatus2 Sep 2003US 6,614,156 B2Kabushiki Kaisha Toshiba
- Cathode ray tube apparatus with electron beam forming structure19 Aug 2003US 6,608,435 B1Kabushiki Kaisha Toshiba
- Compact modular cathode21 Dec 2017US 2017/0365438 A1Massachusetts Institute of Technology
- Focusing lens structure for a cathode ray tube electron gun9 Nov 2006US 2006/0250068 A1
- Color picture tube apparatus25 Sep 2003US 2003/0178930 A1Matsushita Electric Industrial Co., Ltd.
- Single beam tracking tube20 Jun 2002US 2002/0074926 A1
- Cathode-ray tube apparatus28 Feb 2002US 2002/0024284 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Cathode ray tube with low dynamic correction voltage20US 5,610,481 AHitachi, Ltd. · 1997
- Cathode ray tube with low dynamic correction voltage12US 6,031,346 AHitachi, Ltd. · 2000
- Color cathode ray tube having a low dynamic focus voltage11US 5,608,284 AHitachi, Ltd. · 1997
- Main lens structure for a color cathode ray tube11US 5,625,252 AHitachi, Ltd. · 1997
- Color CRT electron gun with asymmetric auxiliary beam passing aperture10US 6,153,970 AChunghwa Picture Tubes, Ltd. · 2000