G02F 1/0027
Ferro-electric materials
Official title: {Ferro-electric materials}
G02F1/0027 (Ferro-electric materials) appears on 57 US grants and 54 published applications in this corpus.
Search patents in G02F- Granted patents
- 57
- Published applications
- 54
- Assignees
- 46
- Inventors
- 168
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 4 | 1 |
| 2005 | 2 | 3 |
| 2006 | 4 | 3 |
| 2007 | 1 | 2 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 4 |
| 2014 | 1 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 3 | 5 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 2 | 4 |
| 2023 | 1 | 3 |
| 2024 | 5 | 4 |
| 2025 | 1 | 6 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thin film lithium-containing photonics wafer having a trap-rich substrate3 Mar 2026US 12,566,343 B2HyperLight Corporation
- Engineered electro-optic devices3 Jun 2025US 12,321,053 B2Psiquantum, Corp.
- Electro-optical device fabricated on a substrate10 Dec 2024US 12,164,184 B2Psiquantum, Corp.
- Polymer stabilized paraboloid liquid crystal microlenses array with integrated pancharatnam-berry phase13 Aug 2024US 12,060,513 B2Kent State University
- Method for producing an electro-optical phase shifter based on ferroelectric materials21 May 2024US 11,988,939 B2Ihp GmbH—Innovations for High Performance Microelectronics/Leibniz-Institut Fur Innovative Mikroelektronik
- Hybrid electro-optic phase shifters24 Sep 2026US 2026/0287939 A1GLOBALFOUNDRIES U. S. Inc.
- Thin film lithium-containing photonics wafer having a trap-rich substrate4 Jun 2026US 2026/0153761 A1HyperLight Corporation
- Quantum frequency converter and quantum frequency conversion method14 May 2026US 2026/0133444 A1Fujitsu Limited
- Piezo-electrophoretic film including patterned piezo polarities for creating images via electrophoretic media19 Mar 2026US 2026/0079377 A1E Ink Corporation
- Single-Drive Differential Electrooptical Modulators4 Dec 2025US 2025/0370286 A1Cisco Technology, Inc.
Most cited
By later US patents
- Method and apparatus for fabrication of dielectric thin film50US 5,674,366 AMatsushita Electric Industrial Co., Ltd. · 1997
- Electro-optic ceramic material and device22US 6,746,618 B2Corning Incorporated · 2004
- Method for epitaxial lift-off for oxide films utilizing superconductor release layers20US 5,527,766 ASuperconductor Technologies, Inc. · 1996
- Method of producing optically transparent ceramics19US 4,019,915 AHitachi, Ltd. · 1977
- Lithium tantalate single-crystal and photo-functional device19US 6,211,999 B1The Regents of the University of California · 2001