G07C 2009/00388
Code verification carried out according to the challenge/response method
Official title: {code verification carried out according to the challenge/response method}
G07C2009/00388 (Code verification carried out according to the challenge/response method) appears on 405 US grants and 452 published applications in this corpus.
Search patents in G07C- Granted patents
- 405
- Published applications
- 452
- Assignees
- 233
- Inventors
- 792
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 5 |
| 2002 | 4 | 9 |
| 2003 | 6 | 14 |
| 2004 | 9 | 9 |
| 2005 | 10 | 6 |
| 2006 | 8 | 6 |
| 2007 | 3 | 9 |
| 2008 | 3 | 6 |
| 2009 | 3 | 4 |
| 2010 | 4 | 3 |
| 2011 | 1 | 4 |
| 2012 | 4 | 6 |
| 2013 | 4 | 6 |
| 2014 | 7 | 6 |
| 2015 | 10 | 14 |
| 2016 | 6 | 15 |
| 2017 | 12 | 23 |
| 2018 | 28 | 44 |
| 2019 | 44 | 49 |
| 2020 | 29 | 44 |
| 2021 | 40 | 50 |
| 2022 | 39 | 30 |
| 2023 | 33 | 24 |
| 2024 | 28 | 27 |
| 2025 | 22 | 18 |
| 2026 | 11 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mechanisms, assemblies and electronic locking system15 Sep 2026US 12,738,112 B2Assa Abloy AB
- Garage management system and method8 Sep 2026US 12,729,579 B2
- Power management based on frame slicing28 Apr 2026US 12,614,420 B2Advanced Micro Devices, Inc.
- Locking system7 Apr 2026US 12,597,305 B2United States Postal Service
- Electric lock and control method thereof7 Apr 2026US 12,597,306 B2Taiwan Fu Hsing Industrial Co., Ltd.
- Locking system13 Aug 2026US 2026/0237261 A1United States Postal Service
- Access control lock arrangement13 Aug 2026US 2026/0237262 A1
- Vehicle access system and operating method16 Jul 2026US 2026/0205277 A1NXP B. V.
- Locker management method, electronic device and computer readable storage medium2 Jul 2026US 2026/0188066 A1Nanning FuLian FuGui Precision Industrial Co., Ltd.
- Portable tools for vehicle security18 Jun 2026US 2026/0167150 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Electronic access control system321US 9,965,911 B2Capital One Services, LLC · 2018
- Passive remote keyless entry system253US 6,236,333 B1Lear Automotive Dearborn, Inc. · 2001
- Transponder for remote keyless entry systems234US 6,323,566 B1Texas Instruments Incorported · 2001
- Electronic security system228US 5,745,044 AMedeco Security Locks, Inc. · 1998
- Electronic locking device having key and lock parts interacting via electrical pulses194US 4,509,093 AHulsbeck & Furst GmbH & Co. KG · 1985