H01C
Resistors
H01C (Resistors) appears on 7,559 US grants and 5,169 published applications in this corpus.
Search patents in H01C- Granted patents
- 7,559
- Published applications
- 5,169
- Assignees
- 2,226
- Inventors
- 12,446
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 129 | 0 |
| 1977 | 142 | 0 |
| 1978 | 129 | 0 |
| 1979 | 115 | 0 |
| 1980 | 129 | 0 |
| 1981 | 131 | 0 |
| 1982 | 132 | 0 |
| 1983 | 91 | 0 |
| 1984 | 115 | 0 |
| 1985 | 112 | 0 |
| 1986 | 79 | 0 |
| 1987 | 139 | 0 |
| 1988 | 133 | 0 |
| 1989 | 131 | 0 |
| 1990 | 139 | 0 |
| 1991 | 134 | 0 |
| 1992 | 144 | 0 |
| 1993 | 138 | 0 |
| 1994 | 118 | 0 |
| 1995 | 72 | 0 |
| 1996 | 119 | 0 |
| 1997 | 115 | 0 |
| 1998 | 148 | 0 |
| 1999 | 200 | 0 |
| 2000 | 181 | 0 |
| 2001 | 192 | 55 |
| 2002 | 171 | 190 |
| 2003 | 181 | 187 |
| 2004 | 127 | 240 |
| 2005 | 127 | 206 |
| 2006 | 159 | 209 |
| 2007 | 142 | 216 |
| 2008 | 107 | 171 |
| 2009 | 109 | 187 |
| 2010 | 157 | 186 |
| 2011 | 149 | 154 |
| 2012 | 168 | 155 |
| 2013 | 163 | 211 |
| 2014 | 146 | 196 |
| 2015 | 145 | 220 |
| 2016 | 182 | 237 |
| 2017 | 206 | 232 |
| 2018 | 230 | 228 |
| 2019 | 246 | 229 |
| 2020 | 235 | 259 |
| 2021 | 201 | 225 |
| 2022 | 201 | 220 |
| 2023 | 161 | 212 |
| 2024 | 176 | 200 |
| 2025 | 168 | 202 |
| 2026 | 95 | 142 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H01C 7/00Non-adjustable resistors formed as one or more layers or coatings4,309
- H01C 17/00Apparatus or processes specially adapted for manufacturing resistors2,655
- H01C 1/00Details2,343
- H01C 10/00Adjustable resistors1,177
- H01C 3/00Non-adjustable metal resistors made of wire or ribbon337
- H01C 13/00Resistors not provided for elsewhere311
- H01C 8/00Non-adjustable resistors consisting of loose powdered or granular conducting, or powdered or20
- H01C 11/00Non-adjustable liquid resistors6
Recent patents
- Modular resistor grid assembly and resistive grid system6 Oct 2026US 12,755,875 B2Caterpillar Inc.
- Manufacturing method for laminated ceramic component6 Oct 2026US 12,755,876 B2Panasonic Intellectual Property Management Co., Ltd.
- Shunt resistor, method for manufacturing shunt resistor, and current detection device29 Sep 2026US 12,748,132 B2Accuenergy (Canada) Inc.
- Laminated varistor29 Sep 2026US 12,749,601 B2Panasonic Intellectual Property Management Co., Ltd.
- Surge suppression device29 Sep 2026US 12,749,890 B2Proterial, Ltd.
- Cyclonic flow, liquid cooled brake resistor with multiple nested resistor coils8 Oct 2026US 2026/0311913 A1DRS Naval Power Systems, Inc.
- Trimming resistor using modulated signal8 Oct 2026US 2026/0311914 A1Texas Instruments Incorporated
- Mov devices and methods8 Oct 2026US 2026/0311915 A1
- Electronic circuit comprising transistor and resistor8 Oct 2026US 2026/0314039 A1Pragmatic Semiconductor Limited
- High voltage divider resistor1 Oct 2026US 2026/0302004 A1Yageo Corporation
Most cited
By later US patents
- 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