H01C 17/06546
Oxides of zinc or cadmium
Official title: {Oxides of zinc or cadmium}
H01C17/06546 (Oxides of zinc or cadmium) appears on 48 US grants and 44 published applications in this corpus.
Search patents in H01C- Granted patents
- 48
- Published applications
- 44
- Assignees
- 33
- Inventors
- 156
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 3 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 3 | 0 |
| 2020 | 2 | 4 |
| 2021 | 3 | 2 |
| 2022 | 2 | 3 |
| 2023 | 1 | 4 |
| 2024 | 2 | 3 |
| 2025 | 3 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metal oxide-polyaniline polymer matrix varistor12 May 2026US 12,626,842 B2Littelfuse, Inc.
- Bottom ohmic silver paste for strontium titanate ring varistor, preparation method and use thereof5 May 2026US 12,617,043 B2Guangzhou Newlife New Material Co., Ltd.
- Multilayer varistor and method for manufacturing the same17 Mar 2026US 12,580,105 B2Panasonic Intellectual Property Management Co., Ltd.
- Multilayer varistor8 Jul 2025US 12,354,776 B2Panasonic Intellectual Property Management Co., Ltd.
- Method for manufacturing multilayer varistor and multilayer varistor15 Apr 2025US 12,278,030 B2Panasonic Intellectual Property Management Co., Ltd.
- Method for producing a multilayer varistor, use of metal paste for forming metal layers, green body for producing a multilayer varistor, and multilayer varistor6 Nov 2025US 2025/0342990 A1TDK Electronics Co., Ltd.
- Metal oxide-polyaniline polymer matrix varistor13 Feb 2025US 2025/0054663 A1Littelfuse, Inc.
- Resistive paste, chip resistor and glass particles24 Oct 2024US 2024/0355512 A1Panasonic Intellectual Property Management Co., Ltd.
- High hold current and high voltage endurance pptc material, device, and method of fabrication23 May 2024US 2024/0170242 A1Dongguan Littelfuse Electronics Company Limited
- Multilayer varistor and method for manufacturing the same11 Jan 2024US 2024/0013955 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Voltage-dependent resistor29US 4,675,644 ASiemens Aktiengesellschaft · 1987
- Varistors based on nanocrystalline powders produced by mechanical grinding25US 6,620,346 B1Hydro-Quebec · 2003
- Resistor material, resistor made therefrom and method of making the same23US 4,172,922 ATRW Inc. · 1979
- Monolithic varistor23US 6,184,769 B2Murata Manufacturing Co., Ltd. · 2001
- Thick film varistor and method of producing same12US 4,186,367 ASiemens Aktiengesellschaft · 1980