Light guides

Light guides · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeG02B1/045
Official title{Light guides}
Display labelLight guides
Total patents361

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
201528
201638
201723
201844
201937
202046
202134
202237
202320
202427
202520
20267

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 G02B1/045?
CPC G02B1/045 is the Cooperative Patent Classification code for “Light guides.”
How many patents are filed under CPC G02B1/045 (Light guides)?
Our database includes 361 publications tagged with this CPC code.
Is patent activity under CPC G02B1/045 growing?
Publication counts under this code: 27 in 2024 vs 20 in 2025 (latest complete years).