H01J 2229/8911
Large-scale devices
Official title: Large-scale devices, e.g. foldable screens
H01J2229/8911 (Large-scale devices) appears on 7 US grants and 0 published applications in this corpus.
Search patents in H01J- Granted patents
- 7
- Published applications
- 0
- Assignees
- 3
- Inventors
- 9
- Latest grant
- 12 Oct 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 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 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Apparatus in video display terminals3 May 1988US 4,742,398 A
No published applications in this class yet.
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
- Computer monitor visor7US 5,966,241 A1999
- Optical assembly for television front screen4US 5,534,951 AChung Kin Lo · 1996
- Light masking device2US 4,365,866 AInvisible Optics Inc. · 1982