Laser device and method of aligning laser device
US-12487449-B2 · Dec 2, 2025 · US
Focus control
Focus control · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B26/128 |
| Official title | {Focus control} |
| Display label | Focus control |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hole circularity via electro-optic beam modulation
US-2025258396-A1 · Aug 14, 2025 · US
Laser device and method of aligning laser device
US-2023324679-A1 · Oct 12, 2023 · US
Focused light beam alignment apparatus for aligning fixture relative to a vehicle
US-11591033-B2 · Feb 28, 2023 · US
Lens apparatus and imaging system including the same
US-11256071-B2 · Feb 22, 2022 · US
Control apparatus, image capturing apparatus, and control method
US-10887503-B2 · Jan 5, 2021 · US
Focused Light Beam Alignment Apparatus for Aligning Fixture Relative to a Vehicle
US-2020269939-A1 · Aug 27, 2020 · US
Projection device
US-10754234-B2 · Aug 25, 2020 · US
Projection device
US-2020174356-A1 · Jun 4, 2020 · US
Apparatuses, systems, and methods for a multistable lens actuator providing multiple stabilized discrete positions
US-10656373-B1 · May 19, 2020 · US
Lens apparatus and imaging system including the same
US-2020073095-A1 · Mar 5, 2020 · US
Focal region optical elements for high-performance optical scanners
US-10473923-B2 · Nov 12, 2019 · US
Power-conserving clocking for scanning sensors
US-10469782-B2 · Nov 5, 2019 · US
Image scanning apparatus and methods of operating an image scanning apparatus
US-10462322-B2 · Oct 29, 2019 · US
Focal region optical elements for high-performance optical scanners
US-2019094531-A1 · Mar 28, 2019 · US
Control apparatus, image capturing apparatus, and control method
US-2019098202-A1 · Mar 28, 2019 · US
Image scanning apparatus and methods of operating an image scanning apparatus
US-2018295254-A1 · Oct 11, 2018 · US
Optical scanning apparatus, system and method
US-10078216-B2 · Sep 18, 2018 · US
Power-Conserving Clocking for Scanning Sensors
US-2018091751-A1 · Mar 29, 2018 · US
Laser surveying device
US-9612319-B2 · Apr 4, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B26/128?
- CPC G02B26/128 is the Cooperative Patent Classification code for “Focus control.”
- How many patents are filed under CPC G02B26/128 (Focus control)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC G02B26/128 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).