Method for producing optical fiber base material, and optical fiber base material
US-12398062-B2 · Aug 26, 2025 · US
by diffusing ions or metals into the surface · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C03C25/60 |
| Official title | by diffusing ions or metals into the surface |
| Display label | by diffusing ions or metals into the surface |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2023 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12398062-B2 · Aug 26, 2025 · US
US-2023202904-A1 · Jun 29, 2023 · US
US-9963381-B2 · May 8, 2018 · US
US-2017022095-A1 · Jan 26, 2017 · US
US-2015260912-A1 · Sep 17, 2015 · US