Zoom lens and imaging apparatus including the same
US-2024134166-A1 · Apr 25, 2024 · US
the first group being positive
the first group being positive · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B15/1451 |
| Official title | {the first group being positive} |
| Display label | the first group being positive |
| Total patents | 120 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 12 |
| 2021 | 18 |
| 2022 | 15 |
| 2023 | 9 |
| 2024 | 14 |
| 2025 | 14 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Zoom lens and image pickup apparatus
US-11187876-B2 · Nov 30, 2021 · US
Zoom optical system, optical apparatus, imaging apparatus and method for manufacturing the zoom optical system
US-11175485-B2 · Nov 16, 2021 · US
Zoom lens and imaging apparatus
US-11125985-B2 · Sep 21, 2021 · US
Zoom lens and imaging apparatus
US-11125986-B2 · Sep 21, 2021 · US
Zoom lens and optical device having the same
US-2021215917-A1 · Jul 15, 2021 · US
Optical system, optical apparatus, and method for manufacturing the optical system
US-2021208374-A1 · Jul 8, 2021 · US
Zoom lens and image pickup apparatus
US-2021199938-A1 · Jul 1, 2021 · US
Zoom lens and imaging apparatus including the same
US-2021096342-A1 · Apr 1, 2021 · US
Zoom optical system, optical apparatus and method for manufacturing the zoom optical system
US-2021072497-A1 · Mar 11, 2021 · US
Zoom lens and imaging apparatus
US-2021048651-A1 · Feb 18, 2021 · US
Zoom lens and image pickup apparatus
US-2021048654-A1 · Feb 18, 2021 · US
Macro lens and image pickup apparatus using the same
US-10914963-B2 · Feb 9, 2021 · US
Zoom lens and image pickup apparatus
US-2021033833-A1 · Feb 4, 2021 · US
Zoom optical system, optical apparatus and method for manufacturing the zoom optical system
US-10877240-B2 · Dec 29, 2020 · US
Variable power optical system, optical apparatus and manufacturing method for variable power optical system
US-2020379225-A1 · Dec 3, 2020 · US
Zoom lens and imaging apparatus
US-10838180-B2 · Nov 17, 2020 · US
Zoom lens and imaging apparatus
US-2020310085-A1 · Oct 1, 2020 · US
Zoom lens and imaging apparatus
US-2020310086-A1 · Oct 1, 2020 · US
Zoom lens and image pickup apparatus
US-10761305-B2 · Sep 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B15/1451?
- CPC G02B15/1451 is the Cooperative Patent Classification code for “the first group being positive.”
- How many patents are filed under CPC G02B15/1451 (the first group being positive)?
- Our database includes 120 publications tagged with this CPC code.
- Is patent activity under CPC G02B15/1451 growing?
- Publication counts under this code: 14 in 2024 vs 14 in 2025 (latest complete years).