H01J 2229/5682
Permanently magnetised materials
Official title: Permanently magnetised materials, e.g. permanent magnets
H01J2229/5682 (Permanently magnetised materials) appears on 31 US grants and 14 published applications in this corpus.
Search patents in H01J- Granted patents
- 31
- Published applications
- 14
- Assignees
- 20
- Inventors
- 52
- Latest grant
- 1 Jan 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 8 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 4 |
| 2006 | 3 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Color cathode-ray tube apparatus1 Jan 2008US 7,315,112 B2Matsushita Toshiba Picture Display Co., Ltd.
- Cathode-ray tube apparatus24 Oct 2006US 7,126,292 B2Matsushita Toshiba Picture Display Co., Ltd.
- Deflection yoke having magnets for correcting raster distortion and cathode-ray tube apparatus having the deflection yoke13 Jun 2006US 7,061,170 B2Matsushita Electric Industrial Co., Ltd.
- Color picture tube apparatus having a pair of bar shaped magnets for correcting misconvergence due to the rotational shift of the electron beams2 May 2006US 7,038,368 B2Matsushita Toshiba Picture Display Co., Ltd.
- Color picture tube device having improved horizontal convergence2 Aug 2005US 6,924,589 B2Matsushita Electric Industrial Co., Ltd.
- Color cathode-ray tube apparatus27 Sep 2007US 2007/0222359 A1Matsushita Toshiba Picture Display Co., Ltd.
- Color cathode-ray tube apparatus9 Feb 2006US 2006/0028116 A1Matsushita Toshiba Picture Display Co., Ltd.
- Cathode-ray tube apparatus22 Sep 2005US 2005/0206329 A1Matsushita Toshiba Picture Display Co., Ltd.
- Deflection yoke and cathode ray tube unit28 Jul 2005US 2005/0162058 A1Matsushita Electric Industrial Co., Ltd.
- Color picture tube apparatus30 Jun 2005US 2005/0140263 A1Matsushita Toshiba Picture Display Co., Ltd.
Most cited
By later US patents
- Convergence correcting device4US 5,274,308 ASamsung Electro-Mechanics Co., Ltd. · 1993
- Color picture tube and method for magnetically adjusting the color picture tube3US 4,331,903 ATokyo Shibaura Denki Kabushiki Kaisha · 1982
- Color cathode ray tube with coma reduced3US 5,912,530 AHitachi Device EngineeringCo., Ltd. · 1999
- Apparatus for compensating convergence in a color cathode ray tube3US 6,160,343 ASamsung Display Devices Co., Ltd. · 2000
- Color cathode ray tube with astigmatism correction system3US 6,194,824 B1Matsushita Electronics Corporation · 2001