H01C 7/105
Varistor cores
Official title: Varistor cores (H01C7/12 takes precedence)
H01C7/105 (Varistor cores) appears on 527 US grants and 337 published applications in this corpus.
Search patents in H01C- Granted patents
- 527
- Published applications
- 337
- Assignees
- 193
- Inventors
- 958
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 10 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 16 | 0 |
| 1985 | 14 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 19 | 0 |
| 1992 | 11 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 1 |
| 2002 | 15 | 23 |
| 2003 | 25 | 18 |
| 2004 | 9 | 15 |
| 2005 | 8 | 9 |
| 2006 | 6 | 8 |
| 2007 | 9 | 9 |
| 2008 | 9 | 23 |
| 2009 | 8 | 17 |
| 2010 | 19 | 21 |
| 2011 | 17 | 11 |
| 2012 | 8 | 11 |
| 2013 | 16 | 9 |
| 2014 | 4 | 7 |
| 2015 | 6 | 13 |
| 2016 | 11 | 11 |
| 2017 | 8 | 10 |
| 2018 | 8 | 9 |
| 2019 | 8 | 7 |
| 2020 | 11 | 12 |
| 2021 | 12 | 14 |
| 2022 | 13 | 19 |
| 2023 | 7 | 16 |
| 2024 | 17 | 14 |
| 2025 | 17 | 20 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laminated varistor29 Sep 2026US 12,749,601 B2Panasonic Intellectual Property Management Co., Ltd.
- Method for variably adjusting the electrical insulating properties of varistor-containing materials18 Aug 2026US 12,712,102 B2Susonity Commercial GmbH
- Devices and methods related to gas discharge tubes28 Jul 2026US 12,695,044 B2Bourns, Inc.
- Multilayer ceramic component14 Jul 2026US 12,683,047 B2Panasonic Intellectual Property Management Co., Ltd.
- Metal oxide-polyaniline polymer matrix varistor12 May 2026US 12,626,842 B2Littelfuse, Inc.
- Mov devices and methods8 Oct 2026US 2026/0311915 A1
- Low-cost electrode for metal oxide varistors1 Oct 2026US 2026/0302006 A1Dongguan Littelfuse Electronics Company Limited
- Voltage non-linear resistor ceramic and electronic device1 Oct 2026US 2026/0302007 A1TDK Corporation
- Surge protection device for wireless communications13 Aug 2026US 2026/0237933 A1
- Heat absorbing layer for metal oxide varistor18 Jun 2026US 2026/0171288 A1Dongguan Littelfuse Electronics Company Limited
Most cited
By later US patents
- Nanostructured fillers and carriers316US 6,228,904 B1Nanomaterials Research Corporation · 2001
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002
- Nanotechnology for biomedical products224US 6,572,672 B2NanoProducts Corporation · 2003
- Nano-dispersed powders and methods for their manufacture178US 6,652,967 B2NanoProducts Corporation · 2003
- Nanostructured ion conducting solid electrolytes134US 5,905,000 ANanomaterials Research Corporation · 1999