Oxide fluorescent material and light emitting device
US-12557447-B2 · Feb 17, 2026 · US
containing chromium, molybdenum or tungsten
containing chromium, molybdenum or tungsten · 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 | C09K11/68 |
| Official title | containing chromium, molybdenum or tungsten |
| Display label | containing chromium, molybdenum or tungsten |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light-emitting device, spectroscope, and method for producing light-emitting member
US-2025275316-A1 · Aug 28, 2025 · US
Resin/phosphor composite scintillator, and scintillator array
US-12384960-B2 · Aug 12, 2025 · US
Bilirubin-coated radio-luminescent particles
US-2024425752-A1 · Dec 26, 2024 · US
Phosphor, light-emitting device, illumination device, image display device, and indicator lamp for vehicle
US-2024384166-A1 · Nov 21, 2024 · US
Color stable mn - activated oxidofluorides as conversion luminescent materials for led-based solid state light sources
US-2024336838-A1 · Oct 10, 2024 · US
Oxide phosphor, light-emitting device, and method for producing oxide phosphor
US-2024263070-A1 · Aug 8, 2024 · US
Color stable Mn-activated oxidofluorides as conversion luminescent materials for LED-based solid state light sources
US-12018194-B2 · Jun 25, 2024 · US
NIR broadband emitting phosphors for infrared spectroscopy
US-11994463-B2 · May 28, 2024 · US
Quantum dots containing molybdenum, nickel, and sulfur and method for manufacturing same
US-11912917-B2 · Feb 27, 2024 · US
Quantum dots containing molybdenum, nickel, and sulfur and method for manufacturing same
US-2023174856-A1 · Jun 8, 2023 · US
Oxide fluorescent material and light emitting device
US-2023167358-A1 · Jun 1, 2023 · US
Thermoluminescent and superparamagnetic composite particle and marking comprising same
US-11629264-B2 · Apr 18, 2023 · US
Novel nir broadband emitting phosphors for infrared spectroscopy
US-2023106012-A1 · Apr 6, 2023 · US
Color stable mn - activated oxidofluorides as conversion luminescent materials for led-based solid state light sources
US-2023083851-A1 · Mar 16, 2023 · US
NIR broadband emitting phosphors for infrared spectroscopy
US-11573176-B2 · Feb 7, 2023 · US
Ratiometric fluorescent probe, preparation method thereof, and application in detection of hydrogen peroxide
US-11499094-B1 · Nov 15, 2022 · US
Bilirubin-coated radio-luminescent particles
US-2022127528-A1 · Apr 28, 2022 · US
Resin/phosphor composite scintillator, and scintillator array
US-2022002617-A1 · Jan 6, 2022 · US
Radioluminescent Nanoparticles for Radiation-Triggered Controlled Release Drugs
US-2020397900-A1 · Dec 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/68?
- CPC C09K11/68 is the Cooperative Patent Classification code for “containing chromium, molybdenum or tungsten.”
- How many patents are filed under CPC C09K11/68 (containing chromium, molybdenum or tungsten)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/68 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).