Fluorine-free interface for semiconductor device performance gain
US-2024145561-A1 · May 2, 2024 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01L29/4908 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 2,678 |
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 | 199 |
| 2016 | 278 |
| 2017 | 303 |
| 2018 | 327 |
| 2019 | 326 |
| 2020 | 296 |
| 2021 | 237 |
| 2022 | 223 |
| 2023 | 197 |
| 2024 | 256 |
| 2025 | 36 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oxidizing the Source and Doping the Drain of a Thin-Film Transistor
US-2015372150-A1 · Dec 24, 2015 · US
Method for manufacturing semiconductor device
US-2015372122-A1 · Dec 24, 2015 · US
Thin film transistor and manufacturing method thereof and display device
US-9218957-B2 · Dec 22, 2015 · US
Substrate structure and manufacturing method thereof
US-2015364499-A1 · Dec 17, 2015 · US
TFT-LCD, driving device and manufacturing method thereof
US-9214481-B2 · Dec 15, 2015 · US
Thin film transistor, array substrate and method for manufacturing the same, display device
US-9209308-B2 · Dec 8, 2015 · US
Thin film transistor, method for manufacturing the same, and semiconductor device
US-9209283-B2 · Dec 8, 2015 · US
Manufacturing Method of an Array Substrate
US-2015348999-A1 · Dec 3, 2015 · US
Method for manufacturing semiconductor device
US-9202877-B2 · Dec 1, 2015 · US
Method for manufacturing a tft array substrate comprising a zinc oxide semiconductor layer and an ohmic contact layer
US-2015333159-A1 · Nov 19, 2015 · US
Thin film transistor having four different gate electrodes
US-9190529-B2 · Nov 17, 2015 · US
Thin film transistor display panel and manufacturing method of the same
US-9184090-B2 · Nov 10, 2015 · US
Method of manufacturing semiconductor device
US-9184221-B2 · Nov 10, 2015 · US
Precursor composition and method for forming amorphous conductive oxide film
US-9178022-B2 · Nov 3, 2015 · US
Light-emitting device
US-9178004-B2 · Nov 3, 2015 · US
Semiconductor device and method for manufacturing the same
US-9177855-B2 · Nov 3, 2015 · US
Coating materials for oxide thin film transistors
US-9171961-B2 · Oct 27, 2015 · US
Organic electroluminescence device and manufacturing method thereof
US-9165990-B1 · Oct 20, 2015 · US
Display device, thin film transistor, method for manufacturing display device, and method for manufacturing thin film transistor
US-9159747-B2 · Oct 13, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L29/4908?
- CPC H01L29/4908 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L29/4908 (Electricity)?
- Our database includes 2,678 publications tagged with this CPC code.
- Is patent activity under CPC H01L29/4908 growing?
- Publication counts under this code: 256 in 2024 vs 36 in 2025 (latest complete years).