G06F 7/548
Trigonometric functions
Official title: Trigonometric functions; Co-ordinate transformations
G06F7/548 (Trigonometric functions) appears on 127 US grants and 105 published applications in this corpus.
Search patents in G06F- Granted patents
- 127
- Published applications
- 105
- Assignees
- 90
- Inventors
- 246
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 5 |
| 2010 | 1 | 4 |
| 2011 | 0 | 2 |
| 2012 | 4 | 5 |
| 2013 | 7 | 4 |
| 2014 | 4 | 2 |
| 2015 | 5 | 4 |
| 2016 | 2 | 3 |
| 2017 | 3 | 12 |
| 2018 | 3 | 5 |
| 2019 | 9 | 11 |
| 2020 | 7 | 7 |
| 2021 | 11 | 12 |
| 2022 | 5 | 12 |
| 2023 | 7 | 4 |
| 2024 | 15 | 2 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Computing method and computing device for floating-point mathematic operation using lookup table25 Nov 2025US 12,481,480 B2Shenzhen Suanhai Technology Co. Ltd.
- Chip recognition system6 May 2025US 12,293,627 B2Angel Group Co., Ltd.
- Chip recognition system18 Feb 2025US 12,230,095 B2Angel Group Co., Ltd.
- Tanh and sigmoid function execution10 Dec 2024US 12,164,884 B2Intel Corporation
- Device and method for precise conversion of cartesian coordinates to spherical coordinates3 Dec 2024US 12,157,225 B1
- Chip recognition system9 Jul 2026US 2026/0196096 A1Angel Group Co., Ltd.
- Method and apparatus for determining geometric parameters17 Apr 2025US 2025/0123806 A1CodeDog Pty Ltd
- Methods and apparatuses for training behavior prediction model27 Mar 2025US 2025/0103459 A1
- Chip recognition system5 Dec 2024US 2024/0404350 A1Angel Group Co., Ltd.
- Microprocessor with floating-point cordic instructions24 Oct 2024US 2024/0354056 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Data processor and data processing system98US 6,327,605 B2Hitachi, Ltd. · 2001
- Polar coordinate format to a cartesian coordinate format scan converter64US 4,002,827 AGeneral Electric Company · 1977
- Data processor and data processing system53US 6,038,582 AHitachi, Ltd. · 2000
- Cartesian to polar coordinate transformation34US 6,064,388 ACognex Corporation · 2000
- Polar to cartesian mapping apparatus and method32US 4,241,412 ADiasonics, Inc. · 1980