Phosphor and Light-Emitting Device
US-2017321120-A1 · Nov 9, 2017 · US
containing silicon
containing silicon · 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 | C09K11/59 |
| Official title | containing silicon |
| Display label | containing silicon |
| Total patents | 231 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 22 |
| 2017 | 26 |
| 2018 | 21 |
| 2019 | 24 |
| 2020 | 23 |
| 2021 | 19 |
| 2022 | 20 |
| 2023 | 16 |
| 2024 | 16 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Phosphor, method for producing a phosphor and use of a phosphor
US-9725646-B2 · Aug 8, 2017 · US
Fluorophor and method for production thereof and illuminator
US-9677000-B2 · Jun 13, 2017 · US
Phosphor and method for manufacturing the same, and light-emitting device and display device using phosphor
US-9663714-B2 · May 30, 2017 · US
Colored contact lens
US-2017139232-A1 · May 18, 2017 · US
Process for production of phosphors
US-9580649-B2 · Feb 28, 2017 · US
Phosphors
US-2017051201-A1 · Feb 23, 2017 · US
Silicon-Vacancy-Doped Nanodiamonds For Molecular And Cellular Imaging
US-2017020419-A1 · Jan 26, 2017 · US
Red emitting nitride fluorescent material and white light emitting device using the same
US-9550939-B2 · Jan 24, 2017 · US
Phosphor with preferred orientation, fabricating method thereof, and light-emitting element package structure employing the same
US-2016359090-A1 · Dec 8, 2016 · US
Method for producing and method for processing complex fluoride phosphor
US-2016347998-A1 · Dec 1, 2016 · US
Phosphor, manufacturing method thereof, and light-emitting device using the phosphor
US-2016340577-A1 · Nov 24, 2016 · US
Phosphor, light emitting apparatus, and liquid crystal display apparatus using the same
US-9496463-B2 · Nov 15, 2016 · US
Phosphor, Method for Producing a Phosphor and Use of a Phosphor
US-2016326430-A1 · Nov 10, 2016 · US
Silicon-vacancy-doped nanodiamonds for molecular and cellular imaging
US-9486163-B2 · Nov 8, 2016 · US
Phosphor, Method for Producing a Phosphor and Use of a Phosphor
US-2016312118-A1 · Oct 27, 2016 · US
Phosphor, method for manufacturing same, light emitting device, and image display device
US-9458379-B2 · Oct 4, 2016 · US
Oled pixel structure
US-2016248029-A1 · Aug 25, 2016 · US
Phosphor and light-emitting device
US-9401459-B2 · Jul 26, 2016 · US
Phosphor in water glass for LEDS
US-9379291-B2 · Jun 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/59?
- CPC C09K11/59 is the Cooperative Patent Classification code for “containing silicon.”
- How many patents are filed under CPC C09K11/59 (containing silicon)?
- Our database includes 231 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/59 growing?
- Publication counts under this code: 16 in 2024 vs 12 in 2025 (latest complete years).