G01R 31/016
Testing of capacitors
Official title: {Testing of capacitors (measuring capacitance G01R27/2605)}
G01R31/016 (Testing of capacitors) appears on 89 US grants and 84 published applications in this corpus.
Search patents in G01R- Granted patents
- 89
- Published applications
- 84
- Assignees
- 68
- Inventors
- 216
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 0 |
| 2004 | 2 | 3 |
| 2005 | 3 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 6 |
| 2009 | 2 | 1 |
| 2010 | 3 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 3 |
| 2013 | 3 | 2 |
| 2014 | 2 | 9 |
| 2015 | 2 | 2 |
| 2016 | 0 | 3 |
| 2017 | 5 | 4 |
| 2018 | 4 | 2 |
| 2019 | 1 | 1 |
| 2020 | 3 | 9 |
| 2021 | 5 | 8 |
| 2022 | 11 | 5 |
| 2023 | 2 | 4 |
| 2024 | 3 | 6 |
| 2025 | 3 | 3 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Capacitor testing for implantable stimulators25 Aug 2026US 12,714,855 B2Cochlear Limited
- Method for tuning an electrochemical double layer to generate sound representative of properties of the double layer19 May 2026US 12,631,676 B2Wisconsin Alumni Research Foundation
- Power conversion apparatus, deterioration determination method for smoothing capacitor5 May 2026US 12,618,886 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Method and apparatus for monitoring a low-pass filter, battery management system, battery and vehicle21 Apr 2026US 12,607,683 B2Hella GmbH & Co. KGaA
- Capacitor test3 Mar 2026US 12,566,205 B2Micron Technology, Inc.
- Inspection device and inspection method28 May 2026US 2026/0147064 A1Tokyo Weld Co., Ltd.
- Capacitor health diagnosis system and method4 Sep 2025US 2025/0277840 A1Hitachi Energy USA Inc.
- Electronic component transfer system8 May 2025US 2025/0147124 A1Tokyo Weld Co., Ltd.
- Method for determining a capacitance of a capacitor, capacitor monitoring device and system2 Jan 2025US 2025/0004029 A1Skeleton Technologies AG
- Method for tuning an electrochemical double layer to generate sound representative of properties of the double layer26 Sep 2024US 2024/0319249 A1Wisconsin Alumni Research Foundation
Most cited
By later US patents
- Method for the smooth fine classification of varactor diodes23US 5,102,818 ADeutsche ITT Industries GmbH · 1992
- Device for automatically ascertaining capacitance, dissipation factor and insulation resistance of a plurality of capacitors22US 4,931,721 AE. I. Du Pont de Nemours and Company · 1990
- Means and method for testing and sorting miniature electronic units21US 4,406,373 APalomar Systems & Machines, Inc. · 1983
- Method of manufacturing semiconductor devices involving the detection of impurities18US 4,978,915 AAT&T Bell Laboratories · 1990
- Testing method and apparatus for electronic components17US 4,633,175 AAVX Corporation · 1986