G02F 2203/50
Phase-only modulation
G02F2203/50 (Phase-only modulation) appears on 595 US grants and 693 published applications in this corpus.
Search patents in G02F- Granted patents
- 595
- Published applications
- 693
- Assignees
- 348
- Inventors
- 1,511
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 9 |
| 2003 | 4 | 7 |
| 2004 | 9 | 8 |
| 2005 | 11 | 10 |
| 2006 | 8 | 13 |
| 2007 | 6 | 15 |
| 2008 | 12 | 10 |
| 2009 | 6 | 12 |
| 2010 | 6 | 17 |
| 2011 | 8 | 8 |
| 2012 | 19 | 14 |
| 2013 | 11 | 12 |
| 2014 | 17 | 19 |
| 2015 | 12 | 18 |
| 2016 | 18 | 31 |
| 2017 | 26 | 22 |
| 2018 | 20 | 50 |
| 2019 | 48 | 69 |
| 2020 | 58 | 62 |
| 2021 | 50 | 63 |
| 2022 | 56 | 50 |
| 2023 | 58 | 62 |
| 2024 | 45 | 37 |
| 2025 | 30 | 46 |
| 2026 | 28 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Non-gaussian photonic state engineering29 Sep 2026US 12,748,338 B2Arizona Board of Regents on Behalf of the University of Arizona
- Optical switch and switching method8 Sep 2026US 12,730,352 B2Fujikura Ltd.
- Multi-wavelength phase stabilization8 Sep 2026US 12,732,296 B2General Dynamics Mission Systems, Inc.
- Traveling-wave optical modulation device and traveling-wave optical modulator1 Sep 2026US 12,724,296 B2Wistron Corporation
- Phase modulator and method for producing same25 Aug 2026US 12,717,178 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Configuring optical circuits for filtering optical waves8 Oct 2026US 2026/0310010 A1Analog Photonics LLC
- Phase modulation module17 Sep 2026US 2026/0277046 A1Hamamatsu Photonics K.K.
- Phase modulation module17 Sep 2026US 2026/0277051 A1Hamamatsu Photonics K.K.
- Thermo-optic phase shifters10 Sep 2026US 2026/0267171 A1GLOBALFOUNDRIES U. S. Inc.
- Silicon-based electro-optic phase modulator, chip, and related system10 Sep 2026US 2026/0267173 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Chiral smectic liquid crystal optical modulators having variable retardation259US 5,381,253 ABoard of Regents of the University of Colorado · 1995
- Optical device containing a liquid crystal element for changing optical characteristics of a lens element167US 5,815,233 ACitizen Watch Co., Ltd. · 1998
- Optical apparatus166US 6,437,925 B1Olympus Optical Co., Ltd. · 2002
- Variable mirror, optical apparatus and decentered optical system which include variable mirror, variable-optical characteristic optical element or combination thereof162US 6,464,363 B1Olympus Optical Co., Ltd. · 2002
- Wavelength selective filter128US 6,141,361 ABritish Technology Group Limited · 2000