sea-island

sea-island · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD04H1/4383
Official title{sea-island}
Display labelsea-island
Total patents83

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20156
20165
20178
20186
20195
202011
20218
20229
20239
20249
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 D04H1/4383?
CPC D04H1/4383 is the Cooperative Patent Classification code for “sea-island.”
How many patents are filed under CPC D04H1/4383 (sea-island)?
Our database includes 83 publications tagged with this CPC code.
Is patent activity under CPC D04H1/4383 growing?
Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).