C09K 2219/11
Used in the high frequency technical field
Official title: used in the High Frequency technical field
C09K2219/11 (Used in the high frequency technical field) appears on 71 US grants and 91 published applications in this corpus.
Search patents in C09K- Granted patents
- 71
- Published applications
- 91
- Assignees
- 23
- Inventors
- 122
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 2 | 7 |
| 2013 | 1 | 3 |
| 2014 | 1 | 7 |
| 2015 | 4 | 3 |
| 2016 | 4 | 4 |
| 2017 | 9 | 9 |
| 2018 | 4 | 5 |
| 2019 | 2 | 10 |
| 2020 | 10 | 7 |
| 2021 | 4 | 7 |
| 2022 | 7 | 4 |
| 2023 | 8 | 8 |
| 2024 | 5 | 5 |
| 2025 | 3 | 2 |
| 2026 | 3 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Aromatic isothiocyanates7 Apr 2026US 12,595,415 B2Merck Patent GmbH
- Isothiocyanatoethynylbenzene derivatives27 Jan 2026US 12,534,669 B2Merck Patent GmbH
- Liquid crystal medium20 Jan 2026US 12,528,988 B2Merck Patent GmbH
- Compound, liquid crystal composition, and liquid crystal display element, sensor, liquid crystal lens, optical communication device, and antenna using liquid crystal composition18 Nov 2025US 12,473,492 B2DIC Corporation
- Polymer film and method for manufacturing the same12 Aug 2025US 12,384,919 B2Taimide Technology Incorporation
- Radio wave control element30 Jul 2026US 2026/0218051 A1FUJIFILM Corporation
- Liquid crystal medium and electronic component14 May 2026US 2026/0132337 A1Merck Patent GmbH
- Liquid crystal composition, optically anisotropic layer, cured film, diffraction element, and compound26 Mar 2026US 2026/0085242 A1FUJIFILM Corporation
- Liquid crystal composition, benzoquinone derivative, liquid crystal cured layer, optical film, polarizing plate, and image display device12 Mar 2026US 2026/0071125 A1FUJIFILM Corporation
- Isothiocyanatoethynylbenzene derivatives5 Jun 2025US 2025/0179364 A1Merck Patent GmbH
Most cited
By later US patents
- Components for high-frequency technology41US 7,361,288 B2Merck Patent Gesellschaft Mit Besschrankter haftung · 2008
- Polyimide based compositions useful as electronic substrates, derived in part from (micro-powder) fluoropolymer, and methods and compositions relating thereto21US 7,026,032 B2E. I. Du Pont de Nemours and Company · 2006
- Wholly aromatic liquid-crystalline polyester16US 8,044,151 B2Ueno Fine Chemicals Industry, Ltd. · 2011
- Liquid-crystalline medium and high-frequency components comprising same11US 10,711,197 B2Merck Patent GmbH · 2020
- Thermoplastic liquid crystal polymer and film of same11US 11,674,083 B2Kuraray Co., Ltd. · 2023