G06F 2207/4921
Single digit adding or subtracting
G06F2207/4921 (Single digit adding or subtracting) appears on 11 US grants and 0 published applications in this corpus.
Search patents in G06F- Granted patents
- 11
- Published applications
- 0
- Assignees
- 9
- Inventors
- 17
- Latest grant
- 8 Sep 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Circuit arrangement for adding or subtracting operands coded in BCD-code or binary-code8 Sep 1992US 5,146,423 ASiemens Aktiengesellschaft
- Fast BCD/binary adder9 Apr 1991US 5,007,010 AUnisys Corp. (Formerly Burroughs Corp.)
- BCD adder circuit14 Feb 1989US 4,805,131 ADigital Equipment Corporation
- Intermediate decimal correction for sequential addition5 Jan 1988US 4,718,033 AHewlett-Packard Company
- Central processing unit having built-in BCD operation20 Jan 1987US 4,638,300 AAdvanced Micro Devices, Inc.
No published applications in this class yet.
Most cited
By later US patents
- Binary or BCD adder with precorrected result18US 4,172,288 AMotorola, Inc. · 1979
- BCD adder circuit13US 4,805,131 ADigital Equipment Corporation · 1989
- Fast BCD/binary adder10US 5,007,010 AUnisys Corp. (Formerly Burroughs Corp.) · 1991
- Current mode binary/BCD arithmetic array9US 3,958,112 AHoneywell Information Systems Inc. · 1976
- Central processing unit having built-in BCD operation8US 4,638,300 AAdvanced Micro Devices, Inc. · 1987