Surgical microscope with integrated optical coherence tomography and display systems
US-11185225-B2 · Nov 30, 2021 · US
having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group
having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B15/24 |
| Official title | having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group |
| Display label | having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 10 |
| 2017 | 16 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical system, image pickup apparatus, and lens apparatus
US-2021231929-A1 · Jul 29, 2021 · US
Zoom lens and imaging apparatus
US-2021088764-A1 · Mar 25, 2021 · US
Rotational varifocal planar lens
US-2020319438-A1 · Oct 8, 2020 · US
Rotational varifocal planar lens
US-10725273-B2 · Jul 28, 2020 · US
Zoom lens, image pickup apparatus, and lens apparatus
US-2020233191-A1 · Jul 23, 2020 · US
Zoom lens and imaging apparatus
US-10634874-B2 · Apr 28, 2020 · US
Zoom lens and imaging apparatus
US-10444479-B2 · Oct 15, 2019 · US
Imaging optical system, projection display device, and imaging apparatus
US-2019306390-A1 · Oct 3, 2019 · US
Zoom lens and image pickup apparatus including same
US-10401600-B2 · Sep 3, 2019 · US
Surgical microscope with integrated optical coherence tomography and display systems
US-2019212533-A9 · Jul 11, 2019 · US
Rotational varifocal planar lens
US-2019196161-A1 · Jun 27, 2019 · US
Zoom optical system and image pickup apparatus using the same
US-10295802-B2 · May 21, 2019 · US
Zoom lens and image pickup apparatus including the same
US-10295806-B2 · May 21, 2019 · US
Zoom lens system and electronic imaging apparatus using the same
US-10281692-B2 · May 7, 2019 · US
Rotational varifocal planar lens
US-10261294-B2 · Apr 16, 2019 · US
Optical system and image pickup apparatus including the same
US-10228534-B2 · Mar 12, 2019 · US
Zoom lens and imaging apparatus
US-2019064478-A1 · Feb 28, 2019 · US
Zoom lens unit, imaging device, and monitoring video camera
US-10215973-B2 · Feb 26, 2019 · US
Endoscope magnification optical system, endoscope, and endoscope system
US-2019053695-A1 · Feb 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B15/24?
- CPC G02B15/24 is the Cooperative Patent Classification code for “having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group.”
- How many patents are filed under CPC G02B15/24 (having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC G02B15/24 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).