G02F 1/133723
Polyimide, polyamide-imide
Official title: {Polyimide, polyamide-imide}
G02F1/133723 (Polyimide, polyamide-imide) appears on 841 US grants and 865 published applications in this corpus.
Search patents in G02F- Granted patents
- 841
- Published applications
- 865
- Assignees
- 242
- Inventors
- 1,716
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 17 | 0 |
| 1996 | 13 | 0 |
| 1997 | 19 | 0 |
| 1998 | 18 | 0 |
| 1999 | 19 | 0 |
| 2000 | 23 | 0 |
| 2001 | 21 | 6 |
| 2002 | 12 | 16 |
| 2003 | 7 | 11 |
| 2004 | 17 | 13 |
| 2005 | 8 | 10 |
| 2006 | 16 | 24 |
| 2007 | 6 | 18 |
| 2008 | 7 | 18 |
| 2009 | 14 | 16 |
| 2010 | 11 | 24 |
| 2011 | 16 | 37 |
| 2012 | 15 | 35 |
| 2013 | 31 | 33 |
| 2014 | 31 | 39 |
| 2015 | 40 | 77 |
| 2016 | 41 | 58 |
| 2017 | 46 | 76 |
| 2018 | 59 | 65 |
| 2019 | 50 | 90 |
| 2020 | 70 | 70 |
| 2021 | 55 | 53 |
| 2022 | 54 | 17 |
| 2023 | 26 | 15 |
| 2024 | 16 | 22 |
| 2025 | 15 | 16 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ambient reflective display with color filters9 Jun 2026US 12,650,624 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Curved surface lens laminating fixture and curved surface lens laminating system10 Mar 2026US 12,570,082 B2General Interface Solution Limited
- Liquid crystal element and liquid crystal element manufacturing method30 Dec 2025US 12,510,792 B2Japan Display Inc.
- Electronic devices16 Dec 2025US 12,498,600 B2Innolux Corporation
- Beam deflector and 3-dimensional display device including the same2 Dec 2025US 12,487,501 B2Samsung Electronics Co., Ltd.
- Autostereoscopic Display System8 Oct 2026US 2026/0313087 A1Joyvision Technology., Co Ltd
- Light control sheets, light control devices and methods of producing light control sheets3 Sep 2026US 2026/0259455 A1Toppan Holdings Inc.
- Liquid crystal light control device30 Jul 2026US 2026/0219534 A1Japan Display Inc.
- Liquid crystal alignment agent, display panel and method for manufacturing the same2 Jul 2026US 2026/0186346 A1Tcl China Star Optoelectronics Technology Co., Ltd.
- Liquid crystal element and liquid crystal element manufacturing method26 Mar 2026US 2026/0086413 A1Magnolia White Corporation
Most cited
By later US patents
- Alignment layer with reactive mesogens for aligning liquid crystal molecules90US 8,481,130 B2Merck Patent GmbH · 2013
- Liquid crystal projector having a vertical orientating polyimide film62US 5,477,359 ASharp Kabushiki Kaisha · 1995
- Electro-optic displays, and materials for use therein58US 8,177,942 B2E Ink Corporation · 2012
- Polyimide film-forming polyamide acid solution56US 4,880,895 ANitto Electric Industrial Co., Ltd. · 1989
- Electro-optic displays, and materials for use therein54US 9,152,004 B2E Ink Corporation · 2015