Imprint apparatus and method of detecting peeling defect in the same
US-2018281245-A1 · Oct 4, 2018 · US
Optical filters
Optical filters · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29L2011/0066 |
| Official title | {Optical filters} |
| Display label | Optical filters |
| Total patents | 121 |
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 | 10 |
| 2016 | 21 |
| 2017 | 18 |
| 2018 | 22 |
| 2019 | 19 |
| 2020 | 11 |
| 2021 | 11 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical film and production method for same
US-10088605-B2 · Oct 2, 2018 · US
Arrays of integrated analytical devices and methods for production
US-2018239087-A1 · Aug 23, 2018 · US
Metallic wire grid polarizer and manufacturing method thereof
US-10048419-B2 · Aug 14, 2018 · US
Optical layered body, polarizer, method for producing polarizer, image display device, method for producing image display device, and method for improving visibility of image display device
US-10042194-B2 · Aug 7, 2018 · US
Optical layered body, polarizer, method for producing polarizer, image display device, method for producing image display device, and method for improving visibility of image display device
US-9995953-B2 · Jun 12, 2018 · US
Metallic wire grid polarizer and manufacturing method thereof
US-2018106937-A1 · Apr 19, 2018 · US
Arrays of integrated analytical devices and methods for production
US-9946017-B2 · Apr 17, 2018 · US
Curved display panel adhering device
US-2018095265-A1 · Apr 5, 2018 · US
Overmolded filters
US-2018052266-A1 · Feb 22, 2018 · US
Method for manufacturing stamp and method for manufacturing wire grid polarizer using the stamp
US-9868634-B2 · Jan 16, 2018 · US
Film, method of manufacturing film, polarizing plate, liquid crystal display device, and composition
US-9823389-B2 · Nov 21, 2017 · US
Arrays of integrated analytical devices and methods for production
US-2017322156-A1 · Nov 9, 2017 · US
Methods for producing phase-difference film and circularly polarizing plate involving simultaneous reduction of clip pitch on one side and increase of clip pitch on another side
US-9796146-B2 · Oct 24, 2017 · US
Optical film
US-2017254925-A1 · Sep 7, 2017 · US
Optical film, shaping film, method for manufacturing optical film, and method for manufacturing stretched film
US-2017254937-A1 · Sep 7, 2017 · US
Polarizing film cutting knife and method of manufacturing polarizing plate using the same
US-9751231-B2 · Sep 5, 2017 · US
Adhesives inhibiting formation of artifacts in polymer based optical elements
US-2017242265-A1 · Aug 24, 2017 · US
Multilayered articles with low optical retardation
US-9720155-B2 · Aug 1, 2017 · US
Thin film polarizer having superior optical properties, manufacturing method thereof, and polarizing plate and display device including the same
US-9684104-B2 · Jun 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29L2011/0066?
- CPC B29L2011/0066 is the Cooperative Patent Classification code for “Optical filters.”
- How many patents are filed under CPC B29L2011/0066 (Optical filters)?
- Our database includes 121 publications tagged with this CPC code.
- Is patent activity under CPC B29L2011/0066 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).