Bipolar junction transistor heater circuit
US-12119639-B2 · Oct 15, 2024 · US
using a semiconductor device to sense the temperature
using a semiconductor device to sense the temperature · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H5/044 |
| Official title | {using a semiconductor device to sense the temperature} |
| Display label | using a semiconductor device to sense the temperature |
| Total patents | 107 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 3 |
| 2018 | 11 |
| 2019 | 15 |
| 2020 | 10 |
| 2021 | 15 |
| 2022 | 13 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 2 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bipolar junction transistor heater circuit
US-2021305804-A1 · Sep 30, 2021 · US
Semiconductor die including multiple controllers for operating over an extended temperature range
US-11101638-B2 · Aug 24, 2021 · US
Semiconductor device
US-10964688-B2 · Mar 30, 2021 · US
Temperature sensing and fault detection for paralleled double-side cooled power modules
US-10916931-B2 · Feb 9, 2021 · US
Power conversion device and control circuit
US-10879786-B2 · Dec 29, 2020 · US
Thermal protection of SMPS switch
US-10833500-B2 · Nov 10, 2020 · US
Over-temperature protection circuit
US-2020343885-A1 · Oct 29, 2020 · US
Electronic circuit for fast temperature sensing of a power switching device
US-10819102-B2 · Oct 27, 2020 · US
Over-temperature protection circuit and motherboard platform using same
US-2020310504-A1 · Oct 1, 2020 · US
Intelligent power module
US-2020194994-A1 · Jun 18, 2020 · US
Power conversion device and control circuit
US-2020186036-A1 · Jun 11, 2020 · US
Battery protection systems
US-2020153235-A1 · May 14, 2020 · US
Semiconductor die including multiple controllers for operating over an extended temperature range
US-2020112165-A1 · Apr 9, 2020 · US
Power conversion device and control circuit
US-10608536-B2 · Mar 31, 2020 · US
Electrical device with failure monitoring function, electrical system and terminal device
US-10498129-B2 · Dec 3, 2019 · US
Current dependent thermal shutdown
US-10490995-B2 · Nov 26, 2019 · US
Thermal protection of smps switch
US-2019334341-A1 · Oct 31, 2019 · US
Power conversion device and control circuit
US-2019312512-A1 · Oct 10, 2019 · US
Semiconductor apparatus
US-10425074-B2 · Sep 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H5/044?
- CPC H02H5/044 is the Cooperative Patent Classification code for “using a semiconductor device to sense the temperature.”
- How many patents are filed under CPC H02H5/044 (using a semiconductor device to sense the temperature)?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC H02H5/044 growing?
- Publication counts under this code: 9 in 2024 vs 2 in 2025 (latest complete years).