Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens
US-2026029560-A1 · Jan 29, 2026 · US
for reproducing with unit magnification
for reproducing with unit magnification · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B13/26 |
| Official title | for reproducing with unit magnification |
| Display label | for reproducing with unit magnification |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 9 |
| 2017 | 11 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens
US-12510694-B2 · Dec 30, 2025 · US
Optical system and image pickup apparatus
US-2025258362-A1 · Aug 14, 2025 · US
Optical imaging lens assembly
US-12135467-B2 · Nov 5, 2024 · US
Lens system and imaging apparatus
US-11867889-B2 · Jan 9, 2024 · US
Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens
US-2023258846-A1 · Aug 17, 2023 · US
Optical imaging lens assembly
US-2022155558-A1 · May 19, 2022 · US
Lens unit, exposure device, LED head, image forming apparatus, and scanning device
US-11194079-B2 · Dec 7, 2021 · US
Lens system and imaging apparatus
US-2021263291-A1 · Aug 26, 2021 · US
Array-based floating display
US-10684470-B2 · Jun 16, 2020 · US
Reading module having reflection mirror array, image reading device comprising same, and image forming apparatus therewith
US-10666826-B2 · May 26, 2020 · US
Compact lens tester
US-2020080913-A1 · Mar 12, 2020 · US
Lens unit, exposure device, led head, image forming apparatus, and scanning device
US-2019257983-A1 · Aug 22, 2019 · US
Reading module, image reading device comprising same, and image forming apparatus
US-2019230241-A1 · Jul 25, 2019 · US
Inverted equal-magnification relay lens and camera system
US-2019212530-A1 · Jul 11, 2019 · US
Common aperture optical relay system
US-10288892-B1 · May 14, 2019 · US
Inverted equal-magnification relay lens and camera system
US-10281693-B2 · May 7, 2019 · US
Exit pupil-forming display with reconvergent sheet
US-10012834-B2 · Jul 3, 2018 · US
Optical system and optical instrument, image pickup apparatus, and image pickup system using the same
US-9964742-B2 · May 8, 2018 · US
Array-based camera lens system
US-9945988-B2 · Apr 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B13/26?
- CPC G02B13/26 is the Cooperative Patent Classification code for “for reproducing with unit magnification.”
- How many patents are filed under CPC G02B13/26 (for reproducing with unit magnification)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC G02B13/26 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).