Questech Limited
Wokingham, GB· latest recorded location
Questech Limited is named on 12 US grants and 0 published applications in this corpus. Its most frequent classification is H04N (Pictorial communication).
- Granted patents
- 12
- Published applications
- 0
- Inventors
- 7
- Granted in 2026 so far
- 0
- Most recent grant
- 29 May 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
By publication year.
Technology areas
Share of 12 documents
Recent patents
- Digital video effects, apparatus and method29 May 2001US 6,239,846 B1
- Providing an accurate tally indication of sources in use for output13 Oct 1998US 5,822,015 A
- Stackable electronic equipment assembly with improved circuit board cooling arrangement2 Sep 1997US 5,663,868 A
- Accurate digital divider4 Jun 1996US 5,524,091 A
- Digital video effects with image mapping on to curved surface8 Mar 1994US 5,293,233 A
No published applications.
Most cited
By later US patents
- Recording and editing of moving television pictures36US 5,153,726 A1992
- Stackable electronic equipment assembly with improved circuit board cooling arrangement30US 5,663,868 A1997
- Digital video effects, apparatus and method14US 6,239,846 B12001
- Digital video effects with image mapping on to curved surface9US 5,293,233 A1994
- Processing of video image signals7US 4,847,691 A1989