An apparatus for sensing electromagnetic radiation
US-2019334038-A1 · Oct 31, 2019 · US
the devices being characterised by field-effect operation, e.g. junction field-effect phototransistors
the devices being characterised by field-effect operation, e.g. junction field-effect phototransistors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H10F30/28 |
| Official title | the devices being characterised by field-effect operation, e.g. junction field-effect phototransistors |
| Display label | the devices being characterised by field-effect operation, e.g. junction field-effect phototransistors |
| Total patents | 183 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 12 |
| 2017 | 12 |
| 2018 | 16 |
| 2019 | 30 |
| 2020 | 24 |
| 2021 | 20 |
| 2022 | 13 |
| 2023 | 17 |
| 2024 | 12 |
| 2025 | 13 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated graphene detectors with waveguides
US-2019296160-A1 · Sep 26, 2019 · US
Transparent optical coupler active matrix array
US-10397529-B2 · Aug 27, 2019 · US
Laser detection device with a detection cell and detection circuit and methods of formation thereof
US-10345142-B2 · Jul 9, 2019 · US
Switchable solar cell devices
US-10211241-B2 · Feb 19, 2019 · US
Electromagnetic wave detector
US-2019051763-A1 · Feb 14, 2019 · US
Photosensitive circuit, method of driving photosensitive circuit and display device
US-2019043401-A1 · Feb 7, 2019 · US
Solid state imaging device and manufacturing method thereof
US-2018374886-A1 · Dec 27, 2018 · US
Polaritonic hot electron infrared photodetector
US-10158040-B2 · Dec 18, 2018 · US
Solar battery
US-2018342632-A1 · Nov 29, 2018 · US
Transparent optical coupler active matrix array
US-2018316897-A1 · Nov 1, 2018 · US
Integrated graphene detectors with waveguides
US-2018301569-A1 · Oct 18, 2018 · US
Photodetector with conductive channel made from two dimensional material and its manufacturing method
US-2018261702-A1 · Sep 13, 2018 · US
Method for forming apparatus comprising two dimensional material
US-2018261672-A1 · Sep 13, 2018 · US
Method of forming an infrared photodetector
US-10069032-B2 · Sep 4, 2018 · US
Apparatus and method of forming an apparatus comprising a two dimensional material
US-10056513-B2 · Aug 21, 2018 · US
Optical sensor
US-2018138231-A1 · May 17, 2018 · US
Photoreactive sensor including optical amplification phototransistor, and display panel and vehicle control system including photoreactive sensor
US-2018129043-A1 · May 10, 2018 · US
Silicon-based quantum dot device
US-9941430-B2 · Apr 10, 2018 · US
Picosecond laser detector
US-2018094973-A1 · Apr 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H10F30/28?
- CPC H10F30/28 is the Cooperative Patent Classification code for “the devices being characterised by field-effect operation, e.g. junction field-effect phototransistors.”
- How many patents are filed under CPC H10F30/28 (the devices being characterised by field-effect operation, e.g. junction field-effect phototransistors)?
- Our database includes 183 publications tagged with this CPC code.
- Is patent activity under CPC H10F30/28 growing?
- Publication counts under this code: 12 in 2024 vs 13 in 2025 (latest complete years).