G02F 1/136231
For reducing the number of lithographic steps
Official title: {for reducing the number of lithographic steps}
G02F1/136231 (For reducing the number of lithographic steps) appears on 964 US grants and 1,089 published applications in this corpus.
Search patents in G02F- Granted patents
- 964
- Published applications
- 1,089
- Assignees
- 129
- Inventors
- 1,392
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 8 |
| 2002 | 17 | 31 |
| 2003 | 15 | 30 |
| 2004 | 17 | 45 |
| 2005 | 28 | 88 |
| 2006 | 43 | 76 |
| 2007 | 48 | 89 |
| 2008 | 44 | 82 |
| 2009 | 86 | 63 |
| 2010 | 91 | 64 |
| 2011 | 87 | 46 |
| 2012 | 61 | 48 |
| 2013 | 52 | 35 |
| 2014 | 40 | 48 |
| 2015 | 39 | 31 |
| 2016 | 30 | 46 |
| 2017 | 47 | 66 |
| 2018 | 45 | 49 |
| 2019 | 59 | 57 |
| 2020 | 37 | 23 |
| 2021 | 26 | 31 |
| 2022 | 19 | 15 |
| 2023 | 11 | 5 |
| 2024 | 7 | 8 |
| 2025 | 9 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Display panel and display apparatus2 Jun 2026US 12,645,120 B2Boe Technology Group Co., Ltd.
- Display device10 Mar 2026US 12,572,046 B2Mikuni Electron Corporation
- Semiconductor device and manufacturing method thereof9 Sep 2025US 12,414,371 B2Semiconductor Energy Laboratory Co.Ltd.
- Display device12 Aug 2025US 12,386,228 B2Magnolia White Corporation
- Display device with block members29 Jul 2025US 12,372,823 B2Samsung Display Co., Ltd.
- Display apparatus and methord of manufacturing same23 Jul 2026US 2026/0211289 A1LG Display Co., Ltd.
- In-plane switching mode or fringe field switching mode liquid crystal display device4 Jun 2026US 2026/0153772 A1Mikuni Electron Corporation
- Semiconductor device and manufacturing method thereof27 Nov 2025US 2025/0366207 A1Semiconductor Energy Laboratory Co.Ltd.
- Display panel and display apparatus14 Aug 2025US 2025/0258411 A1Boe Technology Group Co., Ltd.
- Array substrate, manufacturing method thereof, mask and display panel31 Jul 2025US 2025/0248125 A1Boe Technology Group Co., Ltd.
Most cited
By later US patents
- Liquid crystal display device and electronic device127US 7,872,722 B2Semiconductor Energy Laboratory Co.Ltd. · 2011
- Semiconductor device and manufacturing method thereof123US 6,387,737 B1Semiconductor Energy Laboratory Co.Ltd. · 2002
- Method for manufacturing thin film transistor array panel for liquid crystal display99US 6,429,057 B1Samsung Electronics Co., Ltd. · 2002
- TFT substrate and method for manufacturing TFT substrate78US 7,982,215 B2Idemitsu Kosan Co., Ltd. · 2011
- Liquid crystal display device and fabrication method thereof76US 6,762,802 B2Renesas Technology Corp. · 2004