H04N 5/7475
Constructional details of television projection apparatus
Official title: {Constructional details of television projection apparatus}
H04N5/7475 (Constructional details of television projection apparatus) appears on 307 US grants and 189 published applications in this corpus.
Search patents in H04N- Granted patents
- 307
- Published applications
- 189
- Assignees
- 116
- Inventors
- 435
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 7 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 18 | 0 |
| 1997 | 11 | 0 |
| 1998 | 23 | 0 |
| 1999 | 9 | 0 |
| 2000 | 17 | 0 |
| 2001 | 17 | 4 |
| 2002 | 14 | 11 |
| 2003 | 13 | 9 |
| 2004 | 7 | 13 |
| 2005 | 5 | 10 |
| 2006 | 9 | 7 |
| 2007 | 6 | 9 |
| 2008 | 2 | 5 |
| 2009 | 7 | 8 |
| 2010 | 7 | 8 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 6 | 9 |
| 2014 | 11 | 11 |
| 2015 | 7 | 18 |
| 2016 | 11 | 13 |
| 2017 | 12 | 7 |
| 2018 | 10 | 9 |
| 2019 | 13 | 15 |
| 2020 | 9 | 7 |
| 2021 | 5 | 3 |
| 2022 | 1 | 2 |
| 2023 | 3 | 4 |
| 2024 | 3 | 2 |
| 2025 | 4 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic equipment and electronic equipment fabrication method26 May 2026US 12,638,757 B2Casio Computer Co., Ltd.
- Image projection device30 Dec 2025US 12,513,260 B2Qd Laser, Inc.
- Projection apparatus and control method thereof2 Dec 2025US 12,487,655 B2Coretronic Projection (Kunshan) Corporation
- Illumination apparatus, illumination method, and projector apparatus9 Sep 2025US 12,413,683 B2Sony Group Corporation
- Color night vision system and method11 Mar 2025US 12,250,437 B2Rockwell Collins, Inc.
- Head-mounted display23 Jan 2025US 2025/0031327 A1Sony Interactive Entertainment Inc.
- Projection apparatus and control method thereof19 Sep 2024US 2024/0310895 A1Coretronic Projection (Kunshan) Corporation
- Head-mounted display15 Feb 2024US 2024/0057272 A1Sony Interactive Entertainment Inc.
- Electronic equipment and electronic equipment fabrication method21 Dec 2023US 2023/0408893 A1Casio Computer Co., Ltd.
- Illumination apparatus, illumination method, and projector apparatus5 Oct 2023US 2023/0319228 A1Sony Group Corporation
Most cited
By later US patents
- Methods and systems for real-time structured light depth extraction and endoscope using real-time structured light depth extraction607US 6,503,195 B1The University of North Carolina at Chapel Hill · 2003
- Single crystal silicon arrayed devices for display panels540US 5,317,236 AKopin Corporation · 1994
- Liquid crystal display having essentially single crystal transistors pixels and driving circuits339US 5,206,749 AKopin Corporation · 1993
- Active matrix color display with multiple cells and connection through substrate302US 5,861,929 AKopin Corporation · 1999
- Method of making light emitting diode displays291US 6,403,985 B1Kopin Corporation · 2002