G09F 3/0376
Using a special technique to detect tampering
Official title: {using a special technique to detect tampering, e.g. by ultrasonic or optical means}
G09F3/0376 (Using a special technique to detect tampering) appears on 104 US grants and 100 published applications in this corpus.
Search patents in G09F- Granted patents
- 104
- Published applications
- 100
- Assignees
- 91
- Inventors
- 250
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 8 |
| 2007 | 4 | 4 |
| 2008 | 3 | 7 |
| 2009 | 4 | 5 |
| 2010 | 5 | 4 |
| 2011 | 6 | 7 |
| 2012 | 3 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 3 |
| 2016 | 5 | 4 |
| 2017 | 4 | 5 |
| 2018 | 3 | 8 |
| 2019 | 10 | 3 |
| 2020 | 1 | 11 |
| 2021 | 6 | 6 |
| 2022 | 7 | 5 |
| 2023 | 2 | 3 |
| 2024 | 2 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable pattern shield protection system for a tamper-evident container17 Mar 2026US 12,579,910 B2Shamrock Supply Company, Inc.
- Tamper-evident device with optically transparent layer and related method28 Oct 2025US 12,456,394 B2Optrical Limited
- Tamper-detection device to detect unauthorized operations on apparatus14 Jan 2025US 12,196,601 B2Ambit Microsystems (Shanghai) Ltd.
- Security devices7 Jan 2025US 12,187,065 B2Optrical Limited
- Tamper proof tag for watches30 Apr 2024US 11,970,883 B2eBay Inc.
- Wireless tamper-evident label for a tube or container31 Jul 2025US 2025/0246099 A116095020 Canada Inc.
- Opening detection tag and tagged container19 Jun 2025US 2025/0197062 A1Toppan Holdings Inc.
- Tamper-Detection Device and Method to Detect Unauthorized Operations on Apparatus20 Mar 2025US 2025/0095516 A1Ambit Microsystems (Shanghai) Ltd.
- Dual light emitting material, and security method using the same14 Nov 2024US 2024/0376374 A1UIF (University Industry Foundation), Yonsei University
- Authentication/tracking of pharmaceutical packages using wave-shifting marker crystals15 Aug 2024US 2024/0269039 A1Sio2 Medical Products, Inc.
Most cited
By later US patents
- Electronic security seal and system1,009US 8,031,069 B2Oded Yair Cohn · 2011
- Safety sealing device217US 6,050,622 A2000
- Electronic seal, methods and security system195US 6,420,971 B1TRIpseal Limited · 2002
- Self-monitoring seal158US 4,262,284 A1981
- Method and apparatus for providing container security with a tag111US 6,747,558 B1Savi Technology, Inc. · 2004