Non-adjustable resistors formed as one or more layers or coatings
Official title: Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material (consisting of loose powdered or granular material H01C8/00; resistors having potential barriers, e.g. field-effect resistors, H10D1/40 - H10D1/43, H10K10/10; semiconductor devices sensitive to electromagnetic or corpuscular radiation, e.g. photoresistors, H10F30/00; magnetic field controlled resistors H10N50/10; bulk negative resistance effect devices H10N80/00)
H01C7/00 (Non-adjustable resistors formed as one or more layers or coatings) appears on 4,309 US grants and 3,357 published applications in this corpus.
Search patents in H01C- Granted patents
- 4,309
- Published applications
- 3,357
- Assignees
- 1,257
- Inventors
- 7,261
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 50 | 0 |
| 1977 | 54 | 0 |
| 1978 | 42 | 0 |
| 1979 | 50 | 0 |
| 1980 | 66 | 0 |
| 1981 | 52 | 0 |
| 1982 | 62 | 0 |
| 1983 | 43 | 0 |
| 1984 | 64 | 0 |
| 1985 | 52 | 0 |
| 1986 | 32 | 0 |
| 1987 | 50 | 0 |
| 1988 | 63 | 0 |
| 1989 | 62 | 0 |
| 1990 | 68 | 0 |
| 1991 | 57 | 0 |
| 1992 | 70 | 0 |
| 1993 | 73 | 0 |
| 1994 | 53 | 0 |
| 1995 | 43 | 0 |
| 1996 | 59 | 0 |
| 1997 | 59 | 0 |
| 1998 | 75 | 0 |
| 1999 | 102 | 0 |
| 2000 | 101 | 0 |
| 2001 | 113 | 28 |
| 2002 | 103 | 124 |
| 2003 | 114 | 100 |
| 2004 | 67 | 134 |
| 2005 | 69 | 106 |
| 2006 | 92 | 131 |
| 2007 | 83 | 118 |
| 2008 | 69 | 106 |
| 2009 | 72 | 128 |
| 2010 | 106 | 133 |
| 2011 | 98 | 104 |
| 2012 | 107 | 89 |
| 2013 | 112 | 140 |
| 2014 | 91 | 120 |
| 2015 | 90 | 151 |
| 2016 | 115 | 149 |
| 2017 | 138 | 158 |
| 2018 | 141 | 139 |
| 2019 | 159 | 146 |
| 2020 | 151 | 182 |
| 2021 | 137 | 153 |
| 2022 | 138 | 162 |
| 2023 | 114 | 156 |
| 2024 | 127 | 155 |
| 2025 | 129 | 143 |
| 2026 | 72 | 102 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
- H01C 7/10Voltage responsive, i.e. varistors1,611
- H01C 7/02Non-adjustable resistors formed as one or more layers or coatings: having positive1,073
- H01C 7/04Non-adjustable resistors formed as one or more layers or coatings: having negative456
- H01C 7/006Thin film resistors426
- H01C 7/003Thick film resistors408
- H01C 7/008Thermistors403
- H01C 7/18Comprising a plurality of layers stacked between terminals345
- H01C 7/06Including means to minimise changes in resistance with changes in temperature243
Recent patents
- Manufacturing method for laminated ceramic component6 Oct 2026US 12,755,876 B2Panasonic Intellectual Property Management Co., Ltd.
- Laminated varistor29 Sep 2026US 12,749,601 B2Panasonic Intellectual Property Management Co., Ltd.
- Laminated ceramic component15 Sep 2026US 12,738,399 B2Panasonic Intellectual Property Management Co., Ltd.
- Transient voltage protection device8 Sep 2026US 12,731,705 B2TDK Corporation
- Resistor structure in integrated circuit25 Aug 2026US 12,720,777 B2International Business Machines Corporation
- Cyclonic flow, liquid cooled brake resistor with multiple nested resistor coils8 Oct 2026US 2026/0311913 A1DRS Naval Power Systems, Inc.
- Mov devices and methods8 Oct 2026US 2026/0311915 A1
- High voltage divider resistor1 Oct 2026US 2026/0302004 A1Yageo Corporation
- Chip resistor1 Oct 2026US 2026/0302005 A1Koa Corporation
- Low-cost electrode for metal oxide varistors1 Oct 2026US 2026/0302006 A1Dongguan Littelfuse Electronics Company Limited
Most cited
- Conductive polymer compositions and devices529US 4,545,926 ARaychem Corporation · 1985
- Low resistivity PTC compositions511US 4,237,441 ARaychem Corporation · 1980
- Method and apparatus for preparing integrated circuit thin films by chemical vapor deposition442US 6,110,531 ASymetrix Corporation · 2000
- Electrical devices comprising conductive polymer compositions431US 4,304,987 ARaychem Corporation · 1981
- Ferroelectric dielectric memory cell can switch at least giga cycles and has low fatigue - has high dielectric constant and low leakage current416US 5,519,234 ASymetrix Corporation · 1996