G06F 7/64
Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential
Official title: Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential or integral equations, using pulses representing increments; Other incremental computing devices for solving difference equations (G06F7/70 takes precedence; differential analysers using hybrid computing techniques G06J1/02 {; DDA application in numerical control G05B19/18})
G06F7/64 (Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential) appears on 39 US grants and 31 published applications in this corpus.
Search patents in G06F- Granted patents
- 39
- Published applications
- 31
- Assignees
- 34
- Inventors
- 80
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 4 | 3 |
| 2020 | 1 | 3 |
| 2021 | 3 | 5 |
| 2022 | 2 | 2 |
| 2023 | 4 | 3 |
| 2024 | 2 | 3 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Systems and methods for neural ordinary differential equation learned tire models18 Mar 2025US 12,252,139 B2Toyota Jidosha Kabushiki Kaisha
- Hybrid analog/digital circuit for solving nonlinear programming problems4 Mar 2025US 12,244,321 B2The Board of Trustees of the Leland Stanford Junior University
- Dedicated hardware system for solving partial differential equations14 Jan 2025US 12,197,892 B2Vorticity Inc.
- Embedded PHY (EPHY) IP core for FPGA20 Aug 2024US 12,066,488 B2SanDisk Technologies LLC
- Physics informed neural network for learning non-Euclidean dynamics in electro-mechanical systems for synthesizing energy-based controllers5 Mar 2024US 11,922,134 B2Siemens Aktiengesellschaft
- Embedded PHY (EPHY) IP Core for FPGA7 Nov 2024US 2024/0369628 A1SanDisk Technologies LLC
- Systems and methods for neural ordinary differential equation learned tire models19 Sep 2024US 2024/0308531 A1Toyota Jidosha Kabushiki Kaisha
- A hybrid analog/digital circuit for solving nonlinear programming problems15 Feb 2024US 2024/0056089 A1The Board of Trustees of the Leland Stanford Junior University, Office of the General Counsel
- Embedded PHY (EPHY) IP Core for FPGA28 Sep 2023US 2023/0305058 A1Western Digital Technologies, Inc.
- System and method of measuring body fluids3 Aug 2023US 2023/0240563 A1Azure Vault Ltd.
Most cited
By later US patents
- Digital differential analyzer data synchronizer13US 6,269,136 B1MicroUnity Systems Engineering, Inc. · 2001
- Digital integrator with reduced circuit area and analog-to-digital converter using same10US 5,327,133 AMotorola, Inc. · 1994
- Signal generator for modelling dynamical system behavior9US 5,790,757 AU. S. Philips Corporation · 1998
- Method of generating time delay8US 4,497,035 AHitachi, Ltd. · 1985
- Leaky digital integrator7US 4,246,642 ARicoh Company, Ltd. · 1981