G11C 11/30
Using vacuum tubes
Official title: using vacuum tubes (G11C11/23 takes precedence)
G11C11/30 (Using vacuum tubes) appears on 9 US grants and 1 published applications in this corpus.
Search patents in G11C- Granted patents
- 9
- Published applications
- 1
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 3 Jul 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Non-volatile memory device3 Jul 2012US 8,213,239 B2Novatrans Group SA
- Structure for ballistic transistor memory cell10 Mar 2009US 7,502,246 B1International Business Machines Corporation
- Digital memory element29 Jun 1999US 5,917,747 ADeutsche Telekom AG
- Electronic charge store mechanism17 Nov 1998US 5,838,119 A
- Enhanced electron beam addressed storage target17 Sep 1996US 5,557,177 A
Most cited
By later US patents
- Enhanced electron beam addressed storage target38US 5,557,177 A1996
- Method and means for dynamic correction of electrostatic deflector for electron beam tube21US 4,142,132 AControl Data Corporation · 1979
- Electronic charge store mechanism9US 5,838,119 A1998
- Precharge circuitry for an electrically alterable non-volatile memory7US 4,160,291 AWestinghouse Electric Corp. · 1979
- Memory using interleaved rows to permit closer spacing6US 4,124,900 AWestinghouse Electric Corp. · 1978