G02F 2201/07
Buffer layer
Official title: buffer layer
G02F2201/07 (Buffer layer) appears on 153 US grants and 143 published applications in this corpus.
Search patents in G02F- Granted patents
- 153
- Published applications
- 143
- Assignees
- 93
- Inventors
- 348
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 5 |
| 2003 | 9 | 9 |
| 2004 | 5 | 9 |
| 2005 | 7 | 3 |
| 2006 | 5 | 4 |
| 2007 | 4 | 5 |
| 2008 | 3 | 2 |
| 2009 | 2 | 3 |
| 2010 | 6 | 7 |
| 2011 | 2 | 3 |
| 2012 | 3 | 1 |
| 2013 | 2 | 6 |
| 2014 | 4 | 4 |
| 2015 | 4 | 4 |
| 2016 | 4 | 6 |
| 2017 | 1 | 6 |
| 2018 | 6 | 5 |
| 2019 | 6 | 4 |
| 2020 | 3 | 5 |
| 2021 | 6 | 11 |
| 2022 | 6 | 8 |
| 2023 | 9 | 19 |
| 2024 | 12 | 5 |
| 2025 | 6 | 4 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electro-optical device14 Jul 2026US 12,681,338 B2TDK Corporation
- Layered solid state element comprising a ferroelectric layer and method for manufacturing the same19 May 2026US 12,635,416 B2Universite De Franche-Comte
- Display device17 Feb 2026US 12,555,500 B2LG Display Co., Ltd.
- Electro-optic device20 Jan 2026US 12,529,841 B2TDK Corporation
- Low-loss plasmonic device and method for manufacturing the same8 Oct 2026US 2026/0309916 A1Polariton Technologies AG
- Electro-optical device1 Oct 2026US 2026/0299332 A1TDK Corporation
- Display device28 May 2026US 2026/0148665 A1LG Display Co., Ltd.
- Dielectric thin film deposited substrate, dielectric thin film deposited substrate manufacturing method, optical waveguide element, and optical modulation element23 Apr 2026US 2026/0110929 A1TDK Corporation
- Metastable Strained Ferroelectric Device1 May 2025US 2025/0138240 A1
Most cited
By later US patents
- Alkali metal ion migration control112US 5,578,103 ACorning Incorporated · 1996
- Velocity matching electrode structure for electro-optic modulators53US 6,310,700 B1Massachusetts Institute of Technology · 2001
- Optical waveguide device51US 5,404,412 AFujitsu Limited · 1995
- High-speed external integrated optical modulator47US 5,455,876 AGeneral Microwave Israel Corporation · 1995
- Electro-optical waveguide element with reduced DC drift phenomena41US 5,878,175 AFuji Photo Film Co., Ltd. · 1999