G06F 7/494
Adding
Official title: Adding; Subtracting
G06F7/494 (Adding) appears on 36 US grants and 6 published applications in this corpus.
Search patents in G06F- Granted patents
- 36
- Published applications
- 6
- Assignees
- 27
- Inventors
- 68
- Latest grant
- 8 Oct 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Decimal adder with end around carry8 Oct 2013US 8,554,822 B2International Business Machines Corporation
- Binary coded decimal addition2 Aug 2011US 7,991,819 B2International Business Machines Corporation
- Binary coded decimal addition20 Nov 2007US 7,299,254 B2International Business Machines Corporation
- Binary and decimal adder unit18 Sep 2001US 6,292,819 B1International Business Machines Corporation
- Circuit arrangement for adding or subtracting operands coded in BCD-code or binary-code8 Sep 1992US 5,146,423 ASiemens Aktiengesellschaft
- Memory device for signed multi-bit to multi-bit multiplications12 Sep 2024US 2024/0304254 A1Micron Technology, Inc.
- Device and method for extraction and insertion of binary words15 Apr 2021US 2021/0109713 A1STMicroelectronics (Grenoble 2) SAS
- Decimal adder with end around carry29 Dec 2011US 2011/0320514 A1International Business Machines Corporation
- Binary Coded Decimal Addition17 Jan 2008US 2008/0016140 A1International Business Machines Corporation
- Highly parallel structure for fast multi cycle binary and decimal adder unit9 Feb 2006US 2006/0031279 A1International Business Machines Corporation
Most cited
By later US patents
- Arithmetic unit for a digital data processor25US 4,001,570 AInternational Business Machines Corporation · 1977
- Arithmetic logic unit21US 4,559,608 AHarris Corporation · 1985
- Binary or BCD adder with precorrected result18US 4,172,288 AMotorola, Inc. · 1979
- Equal nine apparatus for supporting absolute value subtracts on decimal operands of unequal length17US 4,638,450 AHoneywell Information Systems Inc. · 1987
- Decimal adder15US 3,935,438 AVereinigte Flugtechnische Werke-Fokker GmbH · 1976