Methods and devices for simulating electromagnetic beams
US-12260776-B2 · Mar 25, 2025 · US
for optics
for optics · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G09B23/22 |
| Official title | for optics |
| Display label | for optics |
| 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 |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 5 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Demonstration device for photochromic lenses
US-12217623-B2 · Feb 4, 2025 · US
Exchangeable optical principles demonstrating kit
US-12087177-B2 · Sep 10, 2024 · US
Exchangeable optical principles demonstrating kit
US-2024046817-A1 · Feb 8, 2024 · US
System and method for demonstrating an optical disorder
US-11810468-B2 · Nov 7, 2023 · US
Light-sensitive photochromic contact lens demonstration devices and related methods
US-11741853-B2 · Aug 29, 2023 · US
Light-sensitive photochromic contact lens demonstration devices and related methods
US-2023005389-A1 · Jan 5, 2023 · US
Demonstration Device for Photochromic Lenses
US-2022122485-A1 · Apr 21, 2022 · US
Methods and devices for simulating electromagnetic beams
US-2022068162-A1 · Mar 3, 2022 · US
Ophthalmological teaching aid
US-10861352-B2 · Dec 8, 2020 · US
Light-sensitive photochromic contact lens demonstration devices and related methods
US-2020365056-A1 · Nov 19, 2020 · US
System and method for demonstrating an optical disorder
US-2020234607-A1 · Jul 23, 2020 · US
Method and apparatus for demonstrating optical properties of lenses for spectacle glasses
US-10600338-B2 · Mar 24, 2020 · US
Hybrid simulator and method for teaching optics or for training adjustment of an optical device
US-10580323-B2 · Mar 3, 2020 · US
Demonstration machine enabling the comparison of a mask filter
US-2019385488-A1 · Dec 19, 2019 · US
Ophthalmological Teaching Aid
US-2019311652-A1 · Oct 10, 2019 · US
Method and apparatus for demonstrating optical properties of lenses for spectacle glasses
US-2019213916-A1 · Jul 11, 2019 · US
Demonstrator of qualities of a spectacle lens material
US-10339836-B2 · Jul 2, 2019 · US
Apparatus and method for demonstrating the visual impression for a wearer of spectacles having polarizing spectacle lenses
US-10325521-B2 · Jun 18, 2019 · US
Hybrid simulator and method for teaching optics or for training adjustment of an optical device
US-2018315344-A1 · Nov 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G09B23/22?
- CPC G09B23/22 is the Cooperative Patent Classification code for “for optics.”
- How many patents are filed under CPC G09B23/22 (for optics)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC G09B23/22 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).