H04N 9/3158
For controlling the spectrum
Official title: {for controlling the spectrum}
H04N9/3158 (For controlling the spectrum) appears on 690 US grants and 812 published applications in this corpus.
Search patents in H04N- Granted patents
- 690
- Published applications
- 812
- Assignees
- 152
- Inventors
- 941
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 2 |
| 2004 | 5 | 6 |
| 2005 | 3 | 3 |
| 2006 | 4 | 6 |
| 2007 | 3 | 4 |
| 2008 | 2 | 14 |
| 2009 | 5 | 10 |
| 2010 | 12 | 5 |
| 2011 | 4 | 12 |
| 2012 | 6 | 20 |
| 2013 | 16 | 39 |
| 2014 | 14 | 35 |
| 2015 | 32 | 45 |
| 2016 | 40 | 65 |
| 2017 | 61 | 69 |
| 2018 | 78 | 73 |
| 2019 | 76 | 77 |
| 2020 | 76 | 84 |
| 2021 | 63 | 79 |
| 2022 | 66 | 52 |
| 2023 | 42 | 45 |
| 2024 | 38 | 21 |
| 2025 | 18 | 28 |
| 2026 | 20 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Parallel spatial light modulator modulators1 Sep 2026US 12,726,599 B2Christie Digital Systems USA, Inc.
- Illumination device, method of controlling illumination device, and projection display apparatus25 Aug 2026US 12,717,223 B2Sony Group Corporation
- Projector18 Aug 2026US 12,712,988 B2Seiko Epson Corporation
- Picture generation apparatus, projection apparatus, and vehicle4 Aug 2026US 12,701,204 B2Yinwang Intelligent Technologies Co., Ltd.
- Multicolor light mixing module19 May 2026US 12,634,417 B2Qisda Corporation
- Ultrahigh bandgap algan channel hemts with low contact resistance1 Oct 2026US 2026/0303761 A1
- System and method for a multi-primary wide gamut color system25 Jun 2026US 2026/0179518 A1Baylor University
- Phosphor wheel device and image projection apparatus including the same4 Jun 2026US 2026/0156233 A1LG Electronics Inc.
- Illumination source having illumination devices and optical combining elements28 May 2026US 2026/0149794 A1Texas Instruments Incorporated
- Cooled light source apparatus and projection type image display apparatus with noise-reducing fan system21 May 2026US 2026/0140430 A1Maxell, Ltd.
Most cited
By later US patents
- Six color display apparatus having increased color gamut149US 6,769,772 B2Eastman Kodak Company · 2004
- Color correcting contrast enhancement of displays106US 7,597,447 B2Honeywell International Inc. · 2009
- Method and apparatus for increasing color gamut of a display65US 6,648,475 B1Eastman Kodak Company · 2003
- Apparatus for displaying a color image from digital data42US 6,863,402 B2Eastman Kodak Company · 2005
- Liquid crystal display33US 6,362,862 B1Hitachi, Ltd. · 2002