H04N 5/7491
Of head mounted projectors
Official title: {of head mounted projectors}
H04N5/7491 (Of head mounted projectors) appears on 248 US grants and 147 published applications in this corpus.
Search patents in H04N- Granted patents
- 248
- Published applications
- 147
- Assignees
- 85
- Inventors
- 331
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 18 | 0 |
| 1997 | 11 | 0 |
| 1998 | 22 | 0 |
| 1999 | 9 | 0 |
| 2000 | 17 | 0 |
| 2001 | 17 | 4 |
| 2002 | 14 | 11 |
| 2003 | 12 | 8 |
| 2004 | 7 | 11 |
| 2005 | 4 | 9 |
| 2006 | 8 | 7 |
| 2007 | 6 | 8 |
| 2008 | 2 | 5 |
| 2009 | 7 | 8 |
| 2010 | 7 | 7 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 4 | 5 |
| 2014 | 4 | 2 |
| 2015 | 1 | 8 |
| 2016 | 4 | 11 |
| 2017 | 10 | 6 |
| 2018 | 9 | 9 |
| 2019 | 13 | 13 |
| 2020 | 7 | 5 |
| 2021 | 4 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Image projection device30 Dec 2025US 12,513,260 B2Qd Laser, Inc.
- Color night vision system and method11 Mar 2025US 12,250,437 B2Rockwell Collins, Inc.
- Head-mounted display12 Nov 2024US 12,144,133 B2Sony Interactive Entertainment Inc.
- System and method for presenting virtual reality content to a user16 Apr 2024US 11,962,954 B2Mindshow Inc.
- Head-mounted display28 Nov 2023US 11,832,401 B2Sony Interactive Entertainment Inc.
- Head-mounted display23 Jan 2025US 2025/0031327 A1Sony Interactive Entertainment Inc.
- Head-mounted display15 Feb 2024US 2024/0057272 A1Sony Interactive Entertainment Inc.
- System and method for presenting virtual reality content to a user10 Aug 2023US 2023/0254465 A1Mindshow Inc.
- Image projection device22 Jun 2023US 2023/0199141 A1Qd Laser, Inc.
- Head-mounted display23 Jun 2022US 2022/0201881 A1Sony Interactive Entertainment Inc.
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