G06F 7/556
Logarithmic or exponential functions
G06F7/556 (Logarithmic or exponential functions) appears on 192 US grants and 203 published applications in this corpus.
Search patents in G06F- Granted patents
- 192
- Published applications
- 203
- Assignees
- 132
- Inventors
- 503
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 5 |
| 2003 | 3 | 5 |
| 2004 | 5 | 9 |
| 2005 | 3 | 4 |
| 2006 | 4 | 2 |
| 2007 | 2 | 4 |
| 2008 | 2 | 0 |
| 2009 | 3 | 2 |
| 2010 | 4 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 2 |
| 2013 | 3 | 3 |
| 2014 | 2 | 5 |
| 2015 | 7 | 3 |
| 2016 | 6 | 5 |
| 2017 | 3 | 8 |
| 2018 | 7 | 6 |
| 2019 | 10 | 12 |
| 2020 | 7 | 25 |
| 2021 | 19 | 22 |
| 2022 | 15 | 14 |
| 2023 | 9 | 9 |
| 2024 | 11 | 20 |
| 2025 | 4 | 17 |
| 2026 | 7 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pipelined processing of polynomial computation26 May 2026US 12,639,038 B2Xilinx, Inc.
- Circuit for efficiently performing operations on input data to compute an interpretable and differentiable function12 May 2026US 12,625,677 B2Sparsemind Technology Labs Private Limited
- Correctly rounded table-based computation of logarithmic function12 May 2026US 12,625,678 B2Next Silicon Ltd
- Parallel processing of a Softmax operation by dividing an input vector into a plurality of fragments24 Feb 2026US 12,561,114 B2Graphcore Limited
- Compression techniques for vertices of graphic models24 Feb 2026US 12,561,286 B2Apple Inc.
- Electronic system for determining a most frequent data value from a plurality of electric signals8 Oct 2026US 2026/0310406 A1Inivation AG
- Logarithmic operator device having high accuracy1 Oct 2026US 2026/0299886 A1Sigmastar Technology Ltd.
- Correctly rounded table-based computation of logarithmic function17 Sep 2026US 2026/0277547 A1Next Silicon Ltd
- Processor27 Aug 2026US 2026/0252311 A1
- Flexmax for flexible softmax functions6 Aug 2026US 2026/0227957 A1QUALCOMM Incorporated
Most cited
By later US patents
- Logarithmic arithmetic logic unit87US 4,682,302 AMotorola, Inc. · 1987
- Methods apparatus and computer program products for accumulating logarithmic values86US 5,944,774 AEricsson Inc. · 1999
- System and method for calculating floating point exponential values in a geometry accelerator71US 5,926,406 AHewlett-Packard Company · 1999
- Fast system and method for producing a logarithmic signal approximation with variable precision50US 6,502,118 B1Motorola, Inc. · 2002
- Digital fast CORDIC for envelope tracking generation44US 8,782,107 B2RF Micro Devices, Inc. · 2014