Organic semiconductor element, manufacturing method thereof, compound, organic semiconductor composition, organic semiconductor film, and manufacturing method thereof
US-10312447-B2 · Jun 4, 2019 · US
Electron transport
Electron transport · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08G2261/514 |
| Official title | Electron transport |
| Display label | Electron transport |
| Total patents | 180 |
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 | 12 |
| 2017 | 15 |
| 2018 | 23 |
| 2019 | 15 |
| 2020 | 21 |
| 2021 | 36 |
| 2022 | 18 |
| 2023 | 14 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition and organic thin film transistor using same
US-2019036028-A1 · Jan 31, 2019 · US
Organic light-emitting device
US-10164193-B2 · Dec 25, 2018 · US
Composition and light emitting device using the same
US-10141514-B2 · Nov 27, 2018 · US
Conductive polymer solution, capacitor, and method for producing the capacitor
US-2018334577-A1 · Nov 22, 2018 · US
Polycyclic polymer comprising thiophene units, a method of producing and uses of such polymer
US-10134994-B2 · Nov 20, 2018 · US
Charge transfer salt, electronic device and method of forming the same
US-2018309065-A1 · Oct 25, 2018 · US
A n-doped electrically conductive polymeric material
US-2018277764-A1 · Sep 27, 2018 · US
Functionalized pyranopyran-derived acceptors for donor-acceptor polymers
US-10084136-B2 · Sep 25, 2018 · US
Indacen-4-one derivatives, process for their preparation and polymers containing them
US-2018244691-A1 · Aug 30, 2018 · US
Charge transfer salt, electronic device and method of forming the same
US-2018226583-A1 · Aug 9, 2018 · US
Phenyl derivatives substituted with at least two electron acceptors and at least two electron donors for use in organic electronic devices
US-2018226586-A1 · Aug 9, 2018 · US
Process for producing functionalized polythiophenes
US-2018208713-A1 · Jul 26, 2018 · US
Electrolytic capacitor and method for producing same
US-2018158618-A1 · Jun 7, 2018 · US
Polythiophene derivative, method for producing same, positive electrode active material for secondary batteries, and secondary battery
US-9991518-B2 · Jun 5, 2018 · US
Organic semiconductor element, compound, organic semiconductor composition, and method of manufacturing organic semiconductor film
US-2018145259-A1 · May 24, 2018 · US
Method of doping an organic semiconductor and doping composition
US-9960352-B2 · May 1, 2018 · US
Polythiophene star copolymer capable of being self-doped by external stimulus, a method for producing the same, a conductive thin film using the same, and a method for producing the conductive thin film
US-9908979-B2 · Mar 6, 2018 · US
Functionalized pyranopyran-derived acceptors for donor-acceptor polymers
US-2018040826-A1 · Feb 8, 2018 · US
Polymer and organic solar cell comprising same
US-2018033970-A1 · Feb 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G2261/514?
- CPC C08G2261/514 is the Cooperative Patent Classification code for “Electron transport.”
- How many patents are filed under CPC C08G2261/514 (Electron transport)?
- Our database includes 180 publications tagged with this CPC code.
- Is patent activity under CPC C08G2261/514 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).