G01R 31/3828
Using current integration
Official title: using current integration
G01R31/3828 (Using current integration) appears on 560 US grants and 654 published applications in this corpus.
Search patents in G01R- Granted patents
- 560
- Published applications
- 654
- Assignees
- 351
- Inventors
- 1,497
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 22 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 6 |
| 2002 | 14 | 5 |
| 2003 | 10 | 8 |
| 2004 | 7 | 5 |
| 2005 | 5 | 8 |
| 2006 | 4 | 8 |
| 2007 | 5 | 16 |
| 2008 | 10 | 19 |
| 2009 | 8 | 6 |
| 2010 | 11 | 20 |
| 2011 | 14 | 16 |
| 2012 | 14 | 24 |
| 2013 | 11 | 23 |
| 2014 | 11 | 28 |
| 2015 | 21 | 38 |
| 2016 | 22 | 23 |
| 2017 | 26 | 31 |
| 2018 | 17 | 43 |
| 2019 | 44 | 43 |
| 2020 | 40 | 30 |
| 2021 | 32 | 44 |
| 2022 | 40 | 43 |
| 2023 | 30 | 38 |
| 2024 | 32 | 64 |
| 2025 | 29 | 33 |
| 2026 | 17 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Solid-state battery management system for high current applications29 Sep 2026US 12,749,721 B2Ford Global Technologies, LLC
- Battery characteristic estimating device, battery characteristic estimating method, and storage medium25 Aug 2026US 12,716,952 B2Honda Motor Co., Ltd.
- Battery capacity controller for multiple portable power stations28 Jul 2026US 12,693,340 B2Queens's University at Kingston
- Correction method for estimated state-of-charge value of energy storage device, management apparatus for energy storage device, and energy storage apparatus21 Jul 2026US 12,687,582 B2GS Yuasa International Ltd.
- Method for evaluating a power storage device and method for producing the power storage device14 Jul 2026US 12,681,102 B2Prime Planet Energy & Solutions, Inc.
- Power supply system and moving object1 Oct 2026US 2026/0299073 A1Honda Motor Co., Ltd.
- Battery analysis system, battery analysis method, battery analysis program, and storage medium in which battery analysis program is stored24 Sep 2026US 2026/0287659 A1Panasonic Intellectual Property Management Co., Ltd.
- Energy storage state of charge tracking in high frequency cycling application24 Sep 2026US 2026/0287662 A1Vertiv Corporation
- Battery diagnosis apparatus and battery diagnosis method3 Sep 2026US 2026/0259277 A1LG Energy Solution, Ltd.
- Device for measuring the quantity of charge remaining in at least one battery, fluid and/or thermal energy meter including such a measurement device, and clipper module27 Aug 2026US 2026/0253980 A1Diehl Metering GmbH
Most cited
By later US patents
- Surgical instrument battery pack with voltage polling1,192US 9,974,539 B2Ethicon, Inc. · 2018
- Circuit for measuring the capacity of a battery1,047US 4,931,737 AU. S. Philips Corporation · 1990
- Surgical instrument battery pack with power profile emulation1,041US 9,833,239 B2Ethicon, Inc. · 2017
- Apparatus for monitoring power of battery to supply electric power to load923US 5,841,284 AFujitsu Limited · 1998
- Apparatus and method for determining a charge of a battery380US 5,596,260 AApple Computer, Inc. · 1997