C09C 2210/30
A layer or the substrate forming a grating
C09C2210/30 (A layer or the substrate forming a grating) appears on 22 US grants and 29 published applications in this corpus.
Search patents in C09C- Granted patents
- 22
- Published applications
- 29
- Assignees
- 14
- Inventors
- 45
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 4 |
| 2004 | 4 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 3 |
| 2007 | 4 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 4 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 3 | 3 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Optical security element12 May 2026US 12,623,480 B2Viavi Solutions Inc.
- Volume optical elements2 Jul 2024US 12,025,823 B2
- Pigment composition and pigment flake24 Mar 2020US 10,597,538 B2Viavi Solutions Inc.
- Microstructured device with embossed layer25 Jun 2019US 10,329,429 B2Viavi Solutions Inc.
- Optical security device comprising a layer having a microstructured surface and a dielectric layer filling in or complementary to the microstructured surface28 May 2019US 10,300,729 B2Viavi Solutions Inc.
- Optical security element18 Sep 2025US 2025/0289261 A1Viavi Solutions Inc.
- Bifunctional pigment18 Sep 2025US 2025/0289958 A1Viavi Solutions Inc.
- Volume optical elements22 Apr 2021US 2021/0116715 A1
- Metallic Coatings with Improved Specular Response and Metameric Color Matching and Methods of Making the Same1 Mar 2018US 2018/0057693 A1Apple Inc.
- Diffractive pigment blend and composition21 Dec 2017US 2017/0362439 A1Viavi Solutions Inc.
Most cited
By later US patents
- Alignable diffractive pigment flakes202US 6,902,807 B1Flex Products, Inc. · 2005
- Diffractive pigment flakes and compositions73US 6,692,830 B2Flex Products, Inc. · 2004
- Achromatic multilayer diffractive pigments and foils73US 6,749,936 B2Flex Products, Inc. · 2004
- Diffractive pigment flakes and compositions69US 6,749,777 B2Flex Products, Inc. · 2004
- All-dielectric optical diffractive pigments58US 6,815,065 B2Flex Products, Inc. · 2004