Glass composition and method of manufacturing the same, and glass member and image pickup device
US-10494296-B2 · Dec 3, 2019 · US
Glass filters
Glass filters · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B5/226 |
| Official title | {Glass filters} |
| Display label | Glass filters |
| Total patents | 169 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 10 |
| 2017 | 18 |
| 2018 | 15 |
| 2019 | 15 |
| 2020 | 16 |
| 2021 | 12 |
| 2022 | 14 |
| 2023 | 16 |
| 2024 | 14 |
| 2025 | 28 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Near infrared cutoff filter glass
US-10358378-B2 · Jul 23, 2019 · US
Near-infrared cut filter and solid-state imaging device
US-10310150-B2 · Jun 4, 2019 · US
Light emitting diode display and insulated glass unit including the same
US-2019134952-A1 · May 9, 2019 · US
Lithium Containing Glass with High Oxidized Iron Content and Method of Making Same
US-2019101733-A1 · Apr 4, 2019 · US
Optical image capturing system
US-10203484-B2 · Feb 12, 2019 · US
Optical image capturing system
US-10203485-B2 · Feb 12, 2019 · US
Lithium containing glass with high and low oxidized iron content, and products using same
US-10202302-B2 · Feb 12, 2019 · US
Lithium containing glass with high oxidized iron content, and laminated transparency using same
US-10191256-B2 · Jan 29, 2019 · US
Display device
US-10184655-B2 · Jan 22, 2019 · US
Optical image capturing system having four-piece optical lens
US-10162153-B2 · Dec 25, 2018 · US
Photochromic glass with sharp cutoff
US-10150692-B2 · Dec 11, 2018 · US
Near infrared cutoff filter glass
US-10150693-B2 · Dec 11, 2018 · US
Filter glass
US-2018312424-A1 · Nov 1, 2018 · US
Optical component, preferably with improved degradation resistance, and method for producing same
US-2018312426-A1 · Nov 1, 2018 · US
Near infrared absorbing glass
US-10106455-B2 · Oct 23, 2018 · US
Thin optical filter arrays
US-2018180782-A1 · Jun 28, 2018 · US
Glass composition
US-9988299-B2 · Jun 5, 2018 · US
Near infrared cutoff filter glass
US-9926221-B2 · Mar 27, 2018 · US
Near infrared cutoff filter glass
US-2018072610-A1 · Mar 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B5/226?
- CPC G02B5/226 is the Cooperative Patent Classification code for “Glass filters.”
- How many patents are filed under CPC G02B5/226 (Glass filters)?
- Our database includes 169 publications tagged with this CPC code.
- Is patent activity under CPC G02B5/226 growing?
- Publication counts under this code: 14 in 2024 vs 28 in 2025 (latest complete years).