G01N 21/894
Pinholes
G01N21/894 (Pinholes) appears on 63 US grants and 58 published applications in this corpus.
Search patents in G01N- Granted patents
- 63
- Published applications
- 58
- Assignees
- 60
- Inventors
- 178
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 3 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 0 | 3 |
| 2009 | 2 | 1 |
| 2010 | 0 | 7 |
| 2011 | 2 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 5 |
| 2016 | 2 | 1 |
| 2017 | 2 | 7 |
| 2018 | 5 | 3 |
| 2019 | 9 | 4 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pinhole detection device3 Feb 2026US 12,540,903 B2Toyo Kohan Co.Ltd
- Inspection system and inspection method for secondary battery24 Jun 2025US 12,340,496 B2Kabushiki Kaisha Toshiba
- Inspection device, packaging sheet manufacturing device, and inspection method28 May 2024US 11,994,477 B2Ckd Corporation
- Sheet inspection device16 Apr 2024US 11,959,863 B2OMRON Corporation
- Device for inspecting printed images5 Apr 2022US 11,295,428 B2Elexis Corporation
- Pinhole detection device18 Jun 2026US 2026/0168934 A1Toyo Kohan Co.Ltd
- Battery inspection apparatus and battery inspection method23 Apr 2026US 2026/0112019 A1SK On Co., Ltd.
- Inspection device, inspection method, and inspection program5 Feb 2026US 2026/0036517 A1Horiba, Ltd.
- Electrode Sheet Defect Inspection Device10 Jul 2025US 2025/0224341 A1LG Energy Solution, Ltd.
- Electrode marking device and roll map creation system19 Jun 2025US 2025/0198940 A1LG Energy Solution, Ltd.
Most cited
By later US patents
- Light collector for optical contaminant and flaw detector93US 4,601,576 ATencor Instruments · 1986
- Dual collector optical flaw detector42US 4,597,665 ATencor Instruments · 1986
- Electronic device including pin hole array mask above optical image sensor and related methods23US 10,360,431 B22019
- Method and an apparatus for marking faults on rapidly moving material webs23US 4,746,020 AErwin Sick GmbH Optik-Elektronik · 1988
- Non-contact perforation/pinhole detection system for opaque vessels21US 5,451,773 APressco Technology Inc. · 1995