for photosensitive glass

for photosensitive glass · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC03C4/04
Official titlefor photosensitive glass
Display labelfor photosensitive glass
Total patents64

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20152
20167
20178
20187
201910
20204
20215
20227
20236
20241
20256
20261

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C03C4/04?
CPC C03C4/04 is the Cooperative Patent Classification code for “for photosensitive glass.”
How many patents are filed under CPC C03C4/04 (for photosensitive glass)?
Our database includes 64 publications tagged with this CPC code.
Is patent activity under CPC C03C4/04 growing?
Publication counts under this code: 1 in 2024 vs 6 in 2025 (latest complete years).