G06F 7/4833
Logarithmic number system
Official title: {Logarithmic number system}
G06F7/4833 (Logarithmic number system) appears on 68 US grants and 73 published applications in this corpus.
Search patents in G06F- Granted patents
- 68
- Published applications
- 73
- Assignees
- 43
- Inventors
- 106
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 3 | 5 |
| 2019 | 4 | 6 |
| 2020 | 7 | 8 |
| 2021 | 3 | 13 |
| 2022 | 6 | 4 |
| 2023 | 5 | 5 |
| 2024 | 6 | 5 |
| 2025 | 4 | 7 |
| 2026 | 0 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processing with compact arithmetic processing element23 Dec 2025US 12,504,950 B2Singular Computing LLC
- Processing with compact arithmetic processing element2 Dec 2025US 12,487,794 B2Singular Computing LLC
- Processing unit, method and computer program for multiplication5 Aug 2025US 12,379,897 B2Robert Bosch GmbH
- Processing with compact arithmetic processing element13 May 2025US 12,299,411 B2Singular Computing LLC
- Inference accelerator using logarithmic-based arithmetic12 Nov 2024US 12,141,225 B2NVIDIA Corporation
- Computer implemented systems and methods of addition of numbers represented in a logarithmic number system10 Sep 2026US 2026/0267606 A1Lemurian Labs Inc.
- Computer implemented systems and methods of addition and subtraction of numbers represented in a logarithmic number system16 Jul 2026US 2026/0203015 A1Lemurian Labs Inc.
- Precise de novo sequencing method for top-down proteomics2 Jul 2026US 2026/0188427 A1The Florida State University Research Foundation, Inc.
- Floating-point operand multiplier using decomposition of operands into lower-precision floating-point numbers18 Jun 2026US 2026/0169691 A1Kalray
- Approximate addition for artificial intelligence/machine learning21 May 2026US 2026/0140698 A1Cassia.AI Inc.
Most cited
By later US patents
- Logarithmic arithmetic logic unit87US 4,682,302 AMotorola, Inc. · 1987
- Circuit for adding and/or subtracting numbers in logarithmic representation76US 4,727,508 AMotorola, Inc. · 1988
- Division approximation for implantable medical devices37US 7,526,340 B2Medtronic, Inc. · 2009
- Logarithmic conversion apparatus35US 4,626,825 AVLSI Technology, Inc. · 1986
- Method and apparatus for signal compression and processing using logarithmic differential compression33US 5,933,360 ATexas Instruments Incorporated · 1999