G02F 2202/14
Photochromic
Official title: photochromic
G02F2202/14 (Photochromic) appears on 112 US grants and 135 published applications in this corpus.
Search patents in G02F- Granted patents
- 112
- Published applications
- 135
- Assignees
- 85
- Inventors
- 318
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 5 |
| 2007 | 2 | 9 |
| 2008 | 5 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 5 |
| 2011 | 3 | 1 |
| 2012 | 1 | 3 |
| 2013 | 4 | 4 |
| 2014 | 2 | 3 |
| 2015 | 6 | 9 |
| 2016 | 4 | 9 |
| 2017 | 5 | 8 |
| 2018 | 5 | 9 |
| 2019 | 10 | 13 |
| 2020 | 7 | 5 |
| 2021 | 8 | 10 |
| 2022 | 11 | 11 |
| 2023 | 5 | 8 |
| 2024 | 6 | 5 |
| 2025 | 3 | 7 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rapidly reversible and wavelength-tunable photochromic compositions, systems, and methods6 Oct 2026US 12,754,443 B1HRL Laboratories, LLC
- Rapid-darkening, wavelength-tunable photochromic compositions, systems, and methods15 Sep 2026US 12,735,628 B1HRL Laboratories, LLC
- Photochromic compositions, systems, and methods triggered using visible or nir light31 Mar 2026US 12,590,243 B1HRL Laboratories, LLC
- Display device6 Jan 2026US 12,517,392 B2Nissan Motor Co., Ltd.
- Display apparatus including a transmittance control film16 Sep 2025US 12,419,108 B2LG Display Co., Ltd.
- Display and Display Arrangement Comprising an Upconversion Material in Conjunction with a Photochromic and/or Photoelectrochromic Material16 Jul 2026US 2026/0202692 A1
- Thermoresponsive energy saving smart window14 May 2026US 2026/0132672 A1Rensselaer Polytechnic Institute
- External charging module and near eye display device30 Apr 2026US 2026/0118674 A1Apacecore Pte. Ltd.
- Optical laminate, method for manufacturing same, and smart window comprising same4 Dec 2025US 2025/0370293 A1Dongwoo Fine-Chem Co., Ltd.
- System and methods to exploit photoswitchable optoelectronic properties of 2d hybrid structures11 Sep 2025US 2025/0284168 A1Purdue Research Foundation
Most cited
By later US patents
- Methods and apparatus for providing workspace lighting and facilitating workspace customization157US 7,348,736 B2Philips Solid-State Lighting Solutions, Inc. · 2008
- Optical modulation display device and display method using the same99US 5,155,607 AFuji Xerox Co., Ltd. · 1992
- Spatial light modulator device and a conoscopic holography system of large dynamic range including such a modulator device57US 5,291,314 AFrance Telecom · 1994
- Display screen with optical memory55US 7,911,673 B1HRL Laboratories, LLC · 2011
- Device exhibiting photo-induced dichroism for adaptive anti-glare vision protection46US 6,690,495 B1Alphamicron Incorporated · 2004