Luminescent particle, materials and products including same, and methods
US-10221354-B2 · Mar 5, 2019 · US
for luminescent glass; for fluorescent glass
for luminescent glass; for fluorescent glass · 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 | C03C4/12 |
| Official title | for luminescent glass; for fluorescent glass |
| Display label | for luminescent glass; for fluorescent glass |
| Total patents | 188 |
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 | 12 |
| 2016 | 17 |
| 2017 | 14 |
| 2018 | 15 |
| 2019 | 21 |
| 2020 | 19 |
| 2021 | 25 |
| 2022 | 28 |
| 2023 | 12 |
| 2024 | 14 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of Manufacture of Copper-doped Glasses
US-2019039948-A1 · Feb 7, 2019 · US
Wavelength conversion glass, method for preparing same, and light emitting device comprising same
US-2018370847-A1 · Dec 27, 2018 · US
Method for the preparation of lithium silicate glasses and lithium silicate glass ceramics
US-10131569-B2 · Nov 20, 2018 · US
Copper-doped glasses and methods of manufacture
US-10125048-B2 · Nov 13, 2018 · US
High transmission glasses
US-2018312425-A1 · Nov 1, 2018 · US
Substrates for use in fluorescent-detection methods having glass substrate portion
US-2018305240-A1 · Oct 25, 2018 · US
Method for manufacturing wavelength conversion member and wavelength conversion member
US-2018305243-A1 · Oct 25, 2018 · US
Method For The Preparation Of Glasses And Glass Ceramics With SiO2 As Main Crystal Phase
US-2018282204-A1 · Oct 4, 2018 · US
Bismuth borate glass encapsulant for LED phosphors
US-10023492-B2 · Jul 17, 2018 · US
Conversion material for white or colored light source, method of production, and light source having the conversion material
US-2018194673-A1 · Jul 12, 2018 · US
Wavelength conversion member and light-emitting device
US-2018180975-A1 · Jun 28, 2018 · US
Forehearth Frits, Pearls And/Or Concentrates For Fluorescence
US-2018179101-A1 · Jun 28, 2018 · US
Laminated glass article with tinted layer
US-2018162768-A1 · Jun 14, 2018 · US
Non-stoichiometric alkaline earth chalcogeno-germanate glasses
US-9981870-B2 · May 29, 2018 · US
Conversion material, particularly for a white or colored light souce comprising a semiconductor light source, a method for the production thereof, as well as a light source comprising said conversion material
US-9950949-B2 · Apr 24, 2018 · US
Glass compositions and glass frit composites for use in optical applications
US-9871176-B2 · Jan 16, 2018 · US
Copper-doped Glasses and Methods of Manufacture
US-2017240457-A1 · Aug 24, 2017 · US
Substrate for color conversion of light-emitting diode and manufacturing method therefor
US-2017244009-A1 · Aug 24, 2017 · US
Wavelength converter, light-emitting device using same, and production method for wavelength converter
US-2017233647-A1 · Aug 17, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C4/12?
- CPC C03C4/12 is the Cooperative Patent Classification code for “for luminescent glass; for fluorescent glass.”
- How many patents are filed under CPC C03C4/12 (for luminescent glass; for fluorescent glass)?
- Our database includes 188 publications tagged with this CPC code.
- Is patent activity under CPC C03C4/12 growing?
- Publication counts under this code: 14 in 2024 vs 10 in 2025 (latest complete years).