Camera lens assembly comprising four lenses of +−++, ++−+ or +−−+ regractive powers
US-12306381-B2 · May 20, 2025 · US
both - components being biconcave · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B9/44 |
| Official title | both - components being biconcave |
| Display label | both - components being biconcave |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12306381-B2 · May 20, 2025 · US
US-2024168261-A1 · May 23, 2024 · US
US-2022137334-A1 · May 5, 2022 · US
US-11280981-B2 · Mar 22, 2022 · US
US-2021199921-A1 · Jul 1, 2021 · US