G03H 2223/15
Colour filter
Official title: Colour filter, e.g. interferential colour filter
G03H2223/15 (Colour filter) appears on 39 US grants and 60 published applications in this corpus.
Search patents in G03H- Granted patents
- 39
- Published applications
- 60
- Assignees
- 37
- Inventors
- 138
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 5 |
| 2020 | 3 | 7 |
| 2021 | 3 | 10 |
| 2022 | 14 | 12 |
| 2023 | 4 | 4 |
| 2024 | 4 | 8 |
| 2025 | 5 | 3 |
| 2026 | 3 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Complex light modulator, holographic display device, and see-through display device7 Jul 2026US 12,675,016 B2Korea University Research and Business Foundation, Sejong Campus
- Dark field digital holographic microscope and associated metrology method3 Mar 2026US 12,566,406 B2ASML Netherlands B. V.
- Full color holographic projector with single wavelength laser source, spatial light modulator, and rotating diffuser13 Jan 2026US 12,523,964 B2GM Global Technology Operations LLC
- Method and apparatus for microplastic identification with polarized digital holography16 Dec 2025US 12,498,314 B2The University of Hong Kong
- System and method for authenticating and classifying products using hyper-spectral imaging26 Aug 2025US 12,399,460 B2BottleVin, Inc.
- Dark field digital holographic microscope and associated metrology method2 Jul 2026US 2026/0186446 A1ASML Netherlands B. V.
- Holographic display apparatus for providing expanded viewing window26 Mar 2026US 2026/0086502 A1Korea University Research and Business Foundation, Sejong Campus
- Display system, spatial filter and method15 Jan 2026US 2026/0016741 A1VividQ Limited
- Holographically displaying three-dimensional objects13 Nov 2025US 2025/0348040 A1Pacific Light & Hologram, Inc.
- Displaying three-dimensional objects6 Nov 2025US 2025/0341806 A1
Most cited
By later US patents
- Displaying three-dimensional objects24US 11,347,185 B2Pacific Light & Hologram, Inc. · 2022
- Reconstructing objects with display zero order light suppression24US 11,762,333 B2Pacific Light & Hologram, Inc. · 2023
- Reconstructing objects with display zero order light suppression23US 11,360,429 B2Pacific Light & Hologram, Inc. · 2022
- Reconstructing objects with display zero order light suppression23US 11,360,430 B2Pacific Light & Hologram, Inc. · 2022
- Reconstructing objects with display zero order light suppression23US 11,360,431 B2Pacific Light & Hologram, Inc. · 2022