G02B 30/23
Using wavelength separation
Official title: using wavelength separation, e.g. using anaglyph techniques
G02B30/23 (Using wavelength separation) appears on 173 US grants and 191 published applications in this corpus.
Search patents in G02B- Granted patents
- 173
- Published applications
- 191
- Assignees
- 84
- Inventors
- 275
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 0 | 7 |
| 2003 | 2 | 2 |
| 2004 | 3 | 4 |
| 2005 | 1 | 1 |
| 2006 | 3 | 3 |
| 2007 | 1 | 4 |
| 2008 | 1 | 6 |
| 2009 | 0 | 4 |
| 2010 | 4 | 11 |
| 2011 | 6 | 10 |
| 2012 | 4 | 14 |
| 2013 | 6 | 24 |
| 2014 | 8 | 17 |
| 2015 | 20 | 9 |
| 2016 | 12 | 16 |
| 2017 | 13 | 14 |
| 2018 | 15 | 7 |
| 2019 | 8 | 9 |
| 2020 | 10 | 6 |
| 2021 | 7 | 7 |
| 2022 | 4 | 7 |
| 2023 | 3 | 1 |
| 2024 | 3 | 3 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Interface device with three-dimensional (3-D) viewing functionality23 Jun 2026US 12,663,653 B2Universal City Studios LLC
- Projection type image display device23 Dec 2025US 12,506,855 B2Panasonic Projector & Display Corporation
- Optical switch for single and multiple projectors16 Sep 2025US 12,416,814 B2Dolby Laboratories Licensing Corporation
- Projection system13 May 2025US 12,298,534 B2JVCKENWOOD Corporation
- Methods and apparatus to calibrate and/or validate stereoscopic depth sensing systems8 Apr 2025US 12,273,500 B2Intel Corporation
- Display apparatus and display method23 Jul 2026US 2026/0211260 A1JVCKENWOOD Corporation
- Parallel spatial light modulator modulators10 Jul 2025US 2025/0227209 A1Christie Digital Systems USA, Inc.
- Projection type image display device12 Jun 2025US 2025/0193364 A1Panasonic Holdings Corporation
- Optical switch for single and multiple projectors23 May 2024US 2024/0168304 A1Dolby Laboratories Licensing Corporation
- 3d display system and display method thereof25 Jan 2024US 2024/0029669 A1Wuhan China Star Optoelectronics Technology Co., Ltd.
Most cited
By later US patents
- Method for producing a synthesized stereoscopic image161US 6,108,005 ASpace · 2000
- Systems for three-dimensional viewing and projection154US 6,252,707 B13ality, Inc. · 2001
- 2D/3D switchable color display apparatus with narrow band emitters149US 8,029,139 B2Eastman Kodak Company · 2011
- Method and facility for light-beam projection of images on a screen119US 6,283,597 B1DaimlerChrysler AG · 2001
- Method and system for shaped glasses and viewing 3D images65US 7,784,938 B2Dolby Laboratories Licensing Corporation · 2010