G06F 7/552
Powers or roots
Official title: Powers or roots {, e.g. Pythagorean sums}
G06F7/552 (Powers or roots) appears on 302 US grants and 190 published applications in this corpus.
Search patents in G06F- Granted patents
- 302
- Published applications
- 190
- Assignees
- 148
- Inventors
- 525
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 11 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 1 |
| 2002 | 9 | 8 |
| 2003 | 9 | 15 |
| 2004 | 4 | 4 |
| 2005 | 7 | 7 |
| 2006 | 12 | 8 |
| 2007 | 6 | 11 |
| 2008 | 11 | 6 |
| 2009 | 5 | 6 |
| 2010 | 6 | 5 |
| 2011 | 5 | 1 |
| 2012 | 5 | 6 |
| 2013 | 4 | 5 |
| 2014 | 9 | 6 |
| 2015 | 9 | 3 |
| 2016 | 3 | 14 |
| 2017 | 11 | 8 |
| 2018 | 7 | 12 |
| 2019 | 10 | 9 |
| 2020 | 9 | 4 |
| 2021 | 6 | 13 |
| 2022 | 11 | 9 |
| 2023 | 9 | 13 |
| 2024 | 7 | 9 |
| 2025 | 5 | 3 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- On-the-fly conversion25 Aug 2026US 12,717,547 B2Arm Limited
- Digit-recurrence selection constants28 Jul 2026US 12,693,829 B2Arm Limited
- Combined divide/square root processing circuitry and method21 Jul 2026US 12,688,012 B2Arm Limited
- BFLOAT16 square root and/or reciprocal square root instructions21 Apr 2026US 12,608,175 B2Intel Corporation
- Secure square root computation system, secure normalization system, methods therefor, secure computation apparatus, and program17 Mar 2026US 12,578,926 B2NTT, Inc.
- Combinatorial Logic Circuits With Feedback23 Jul 2026US 2026/0211620 A1SiliconIntervention Inc.
- Circuit structure adapted to switch between inverse square root operation and reciprocal operation4 Jun 2026US 2026/0154037 A1National Yang Ming.Chiao Tung University
- Method for Calculating Square Root of Floating-Point Number and Floating-Point Number Calculation Module30 Apr 2026US 2026/0119606 A1Huawei Technologies Co., Ltd.
- Iterative Estimation Hardware29 Jan 2026US 2026/0029991 A1Imagination Technologies Limited
- Polynomial root search circuitry29 May 2025US 2025/0173123 A1Xilinx, Inc.
Most cited
By later US patents
- Numeric data processor119US 4,338,675 AIntel Corporation · 1982
- Fraction bus for use in a numeric data processor100US 4,484,259 AIntel Corporation · 1984
- Method and system of rounding for division or square root: eliminating remainder calculation98US 5,764,555 AInternational Business Machines Corporation · 1998
- Methods and apparatus for performing division and square root computations in a computer96US 5,404,324 AHewlett-Packard Company · 1995
- Method and circuit for envelope detection using a peel cone approximation86US 6,070,181 AChun-Shan Institute of Science and Technology · 2000