H01J 2229/8909
Baffles, shutters, apertures or the like against external light
H01J2229/8909 (Baffles, shutters, apertures or the like against external light) appears on 14 US grants and 1 published applications in this corpus.
Search patents in H01J- Granted patents
- 14
- Published applications
- 1
- Assignees
- 9
- Inventors
- 21
- Latest grant
- 30 Mar 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Methods for reflection reductions30 Mar 2010US 7,686,462 B2Tenebraex Corporation
- Computer monitor visor12 Oct 1999US 5,966,241 A
- Displaying apparatus with light-shielding grating15 Jul 1997US 5,647,152 ATakiron Co., Ltd.
- Optical assembly for television front screen9 Jul 1996US 5,534,951 AChung Kin Lo
- VDT radiation protection system13 Apr 1993US 5,202,566 A
Most cited
By later US patents
- CRT shield43US 4,444,465 A1984
- Displaying apparatus with light-shielding grating34US 5,647,152 ATakiron Co., Ltd. · 1997
- Miniature gamma camera20US 4,791,300 AQTR Corporation · 1988
- Light shielding screen structure and a process for producing the same18US 4,877,308 AAsahi Kasei Kogyo Kabushiki Kaisha · 1989
- Directional light-shield board13US 4,709,988 ANissan Motor Co., Ltd. · 1987