H04N 9/3191
Testing thereof
Official title: {Testing thereof (testing of displays in general G09G3/006)}
H04N9/3191 (Testing thereof) appears on 2,885 US grants and 3,666 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,885
- Published applications
- 3,666
- Assignees
- 773
- Inventors
- 5,066
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 15 | 8 |
| 2002 | 22 | 22 |
| 2003 | 22 | 26 |
| 2004 | 26 | 41 |
| 2005 | 20 | 66 |
| 2006 | 44 | 72 |
| 2007 | 46 | 70 |
| 2008 | 41 | 75 |
| 2009 | 31 | 94 |
| 2010 | 34 | 99 |
| 2011 | 57 | 109 |
| 2012 | 88 | 122 |
| 2013 | 91 | 129 |
| 2014 | 117 | 132 |
| 2015 | 137 | 180 |
| 2016 | 148 | 208 |
| 2017 | 196 | 282 |
| 2018 | 199 | 305 |
| 2019 | 282 | 255 |
| 2020 | 255 | 269 |
| 2021 | 215 | 247 |
| 2022 | 233 | 226 |
| 2023 | 173 | 182 |
| 2024 | 147 | 174 |
| 2025 | 121 | 155 |
| 2026 | 88 | 118 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-projector system and method of calibrating multi-projector system6 Oct 2026US 12,756,799 B2Coretronic Corporation
- Display system, non-transitory computer-readable storage medium storing program, and control device6 Oct 2026US 12,756,801 B2Seiko Epson Corporation
- Electronic device for displaying image and operating method of electronic device29 Sep 2026US 12,750,466 B2Samsung Electronics Co., Ltd.
- Focus adjustment method29 Sep 2026US 12,750,467 B2Coretronic Corporation
- System and method for projection mapping actuatable objects22 Sep 2026US 12,744,869 B2Universal City Studios LLC
- Image correction method8 Oct 2026US 2026/0313078 A1Seiko Epson Corporation
- Projection method, projection apparatus, and non-transitory computer-readable storage medium storing program8 Oct 2026US 2026/0313080 A1Seiko Epson Corporation
- Control method for projection apparatus, projection system, and non-transitory computer-readable storage medium storing program8 Oct 2026US 2026/0313081 A1Seiko Epson Corporation
- Method of controlling optical system1 Oct 2026US 2026/0303762 A1Seiko Epson Corporation
- Display method for projection device, projection device, and storage medium1 Oct 2026US 2026/0303765 A1Anker Innovations Technology Co., Ltd.
Most cited
By later US patents
- Apparatus and method for performing image transforms in a digital display system302US 6,456,340 B1Pixonics, LLC · 2002
- Image display device and adjustment for alignment267US 6,631,994 B2Mitsubishi Denki Kabushiki Kaisha · 2003
- Super-resolution display263US 6,456,339 B1Massachusetts Institute of Technology · 2002
- View projection matrix based high performance low latency display pipeline245US 8,013,904 B2Seiko Epson Corporation · 2011
- System and method for automated calibration and correction of display geometry and color234US 8,406,562 B2Geo Semiconductor Inc. · 2013