G06F 2207/5521
Inverse root of a number or a function
Official title: Inverse root of a number or a function, e.g. the reciprocal of a Pythagorean sum
G06F2207/5521 (Inverse root of a number or a function) appears on 30 US grants and 19 published applications in this corpus.
Search patents in G06F- Granted patents
- 30
- Published applications
- 19
- Assignees
- 16
- Inventors
- 56
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- BFLOAT16 square root and/or reciprocal square root instructions21 Apr 2026US 12,608,175 B2Intel Corporation
- Iterative estimation hardware21 Oct 2025US 12,450,031 B2Imagination Technologies Limited
- System and method for rounding reciprocal square root results of input floating point numbers26 Dec 2023US 11,853,716 B2Imagination Technologies Limited
- Iterative estimation hardware23 Aug 2022US 11,422,802 B2Imagination Technologies Limited
- System and method for rounding reciprocal square root results of input floating point numbers5 Apr 2022US 11,294,625 B2Imagination Technologies Limited
- Iterative Estimation Hardware29 Jan 2026US 2026/0029991 A1Imagination Technologies Limited
- Systems and methods for accelerating the computation of the reciprocal function and the reciprocal-square-root function25 May 2023US 2023/0161554 A1Microsoft Technology Licensing, LLC
- Bfloat16 square root and/or reciprocal square root instructions2 Mar 2023US 2023/0061618 A1Intel Corporation
- Iterative Estimation Hardware8 Dec 2022US 2022/0391205 A1Imagination Technologies Limited
- System and method for rounding reciprocal square root results of input floating point numbers24 Mar 2022US 2022/0091819 A1Imagination Technologies Limited
Most cited
By later US patents
- Floating point square root and reciprocal square root computation unit in a processor44US 6,349,319 B1Sun Microsystems, Inc. · 2002
- Machine method to perform newton iterations for reciprocals38US 5,220,524 AMicron Technology, Inc. · 1993
- Geometry pipeline implemented on a SIMD machine38US 5,973,705 AInternational Business Machines Corporation · 1999
- Apparatus to perform Newton iterations for reciprocal and reciprocal square root30US 5,206,823 AMicron Technology, Inc. · 1993
- Machine method to perform newton iterations for reciprocal square roots25US 5,157,624 AMicron Technology, Inc. · 1992