G01R 31/318516
Test of programmable logic devices [plds]
Official title: {Test of programmable logic devices [PLDs]}
G01R31/318516 (Test of programmable logic devices [plds]) appears on 631 US grants and 228 published applications in this corpus.
Search patents in G01R- Granted patents
- 631
- Published applications
- 228
- Assignees
- 186
- Inventors
- 1,040
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 13 | 0 |
| 1997 | 19 | 0 |
| 1998 | 29 | 0 |
| 1999 | 20 | 0 |
| 2000 | 29 | 0 |
| 2001 | 23 | 4 |
| 2002 | 15 | 7 |
| 2003 | 30 | 19 |
| 2004 | 25 | 18 |
| 2005 | 21 | 11 |
| 2006 | 33 | 16 |
| 2007 | 33 | 11 |
| 2008 | 28 | 15 |
| 2009 | 31 | 6 |
| 2010 | 29 | 10 |
| 2011 | 22 | 7 |
| 2012 | 6 | 5 |
| 2013 | 8 | 6 |
| 2014 | 10 | 10 |
| 2015 | 17 | 13 |
| 2016 | 8 | 8 |
| 2017 | 10 | 5 |
| 2018 | 4 | 7 |
| 2019 | 16 | 11 |
| 2020 | 10 | 8 |
| 2021 | 10 | 10 |
| 2022 | 7 | 8 |
| 2023 | 8 | 5 |
| 2024 | 4 | 2 |
| 2025 | 6 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods with auxiliary control boards having interface devices3 Feb 2026US 12,541,235 B2Altera Corporation
- Information processing apparatus and information processing method2 Dec 2025US 12,487,283 B2FUJIFILM Business Innovation Corp.
- Test system configuration adapter systems and methods21 Oct 2025US 12,449,444 B2Advantest Corporation
- Arithmetic operation device, testing method30 Sep 2025US 12,430,284 B2Hitachi Astemo, Ltd.
- Apparatus and method for implementing a scalable digital infrastructure for measuring ring oscillators17 Jun 2025US 12,332,306 B2Tokyo Electron U.S. Holdings, Inc.
- System and method for debugging clb logic element states using only one pin21 May 2026US 2026/0140175 A1Microchip Technology Incorporated
- Automated on-chip instrumentation for use with field-programmable gate arrays11 Dec 2025US 2025/0378246 A1Microsemi SoC Corporation
- Apparatus and method for implementing a scalable digital infrastructure for measuring ring oscillators9 Oct 2025US 2025/0315078 A1Tokyo Electron U.S. Holdings, Inc.
- Programmable gate array and method of generating configuration data for programming a gate array14 Aug 2025US 2025/0260405 A1dSPACE GmbH
- Test implementation19 Jun 2025US 2025/0199066 A1STMicroelectronics International N. V.
Most cited
By later US patents
- User programmable integrated circuit interconnect architecture and test method471US 4,758,745 AActel Corporation · 1988
- Programmable interconnect architecture399US 4,873,459 AActel Corporation · 1989
- FPGA having logic cells configured by SRAM memory cells and interconnect configured by antifuses334US 5,744,979 AXilinx, Inc. · 1998
- Work group computing for electronic design automation309US 5,983,277 AAltera Corporation · 1999
- Programmable logic array integrated circuits302US 5,550,782 AAltera Corporation · 1996