Energy propagation and transverse anderson localization with two-dimensional, light field and holographic relays
US-2023408758-A1 · Dec 21, 2023 · US
Eyepieces; Magnifying glasses
Eyepieces; Magnifying glasses · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B25/00 |
| Official title | Eyepieces; Magnifying glasses |
| Display label | Eyepieces; Magnifying glasses |
| Total patents | 99 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 14 |
| 2020 | 8 |
| 2021 | 16 |
| 2022 | 6 |
| 2023 | 18 |
| 2024 | 17 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-density energy directing devices for two-dimensional, stereoscopic, light field and holographic head-mounted displays
US-2023408757-A1 · Dec 21, 2023 · US
Eyepiece optical system and display device
US-2023393384-A1 · Dec 7, 2023 · US
Observation optical system and optical apparatus
US-2023194852-A1 · Jun 22, 2023 · US
Display apparatus
US-11614624-B2 · Mar 28, 2023 · US
Observation optical system and observation apparatus including same
US-11487050-B2 · Nov 1, 2022 · US
System and methods for realizing transverse anderson localization in energy relays using component engineered structures
US-2022206570-A1 · Jun 30, 2022 · US
Method for adjusting loupe and loupe
US-11300756-B2 · Apr 12, 2022 · US
Loupe and loupe unit
US-11294167-B2 · Apr 5, 2022 · US
Method of calibration for holographic energy directing systems
US-2022083135-A1 · Mar 17, 2022 · US
System and methods for realizing transverse Anderson localization in energy relays using component engineered structures
US-11221670-B2 · Jan 11, 2022 · US
Holographic superimposition of real world plenoptic opacity modulation through transparent waveguide arrays for light field, virtual and augmented reality
US-2021373231-A1 · Dec 2, 2021 · US
High density energy directing device
US-2021349259-A1 · Nov 11, 2021 · US
Lens system and image observation apparatus
US-2021333523-A1 · Oct 28, 2021 · US
Method of calibration for holographic energy directing systems
US-11156771-B2 · Oct 26, 2021 · US
High-density energy directing devices for two-dimensional, stereoscopic, light field and holographic head-mounted displays
US-2021302648-A1 · Sep 30, 2021 · US
Eyepiece and display apparatus
US-2021302627-A1 · Sep 30, 2021 · US
Holographic superimposition of real world plenoptic opacity modulation through transparent waveguide arrays for light field, virtual and augmented reality
US-11073657-B2 · Jul 27, 2021 · US
Ocular optical system and head mounted display
US-2021157035-A1 · May 27, 2021 · US
Energy relays with traverse energy localization
US-2021149108-A1 · May 20, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B25/00?
- CPC G02B25/00 is the Cooperative Patent Classification code for “Eyepieces; Magnifying glasses.”
- How many patents are filed under CPC G02B25/00 (Eyepieces; Magnifying glasses)?
- Our database includes 99 publications tagged with this CPC code.
- Is patent activity under CPC G02B25/00 growing?
- Publication counts under this code: 17 in 2024 vs 9 in 2025 (latest complete years).