G02B 13/12
With variable magnification
Official title: with variable magnification
G02B13/12 (With variable magnification) appears on 59 US grants and 45 published applications in this corpus.
Search patents in G02B- Granted patents
- 59
- Published applications
- 45
- Assignees
- 40
- Inventors
- 120
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 3 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 2 | 4 |
| 2011 | 2 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 6 |
| 2014 | 5 | 0 |
| 2015 | 3 | 4 |
| 2016 | 5 | 0 |
| 2017 | 0 | 1 |
| 2018 | 3 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 5 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anamorphic lens assemblies5 Aug 2025US 12,379,576 B2Atlas Lens Co.
- Anamorphic directional illumination device with selective light-guiding22 Apr 2025US 12,282,168 B2RealD Spark, LLC
- Optical system with dynamic distortion using freeform elements9 Jan 2024US 11,867,898 B2Immervision, Inc.
- Lens system, imaging device, and imaging system9 Jan 2024US 11,867,966 B2Panasonic Intellectual Property Management Co., Ltd.
- Signal processing device, signal processing method, and image capture device17 Oct 2023US 11,792,534 B2Sony Corporation
- Anamorphic lens8 Jan 2026US 2026/0009983 A1Glaswerk GmbH
- Anamorphic directional illumination device13 Nov 2025US 2025/0347915 A1RealD Spark, LLC
- Adjustable anamorphic prism for tuning beam aspect ratio16 Oct 2025US 2025/0321405 A1Lumentum Operations LLC
- Optical system and display device13 Mar 2025US 2025/0085550 A1
- Anamorphic directional illumination device22 Feb 2024US 2024/0061248 A1RealD Spark, LLC
Most cited
By later US patents
- Photographing optical lens assembly124US 7,821,724 B2Largan Precision Co., Ltd. · 2010
- Anamorphic lens for providing wide-screen images generated by a spatial light modulator89US 5,930,050 ATexas Instruments Incorporated · 1999
- High NA system for multiple mode imaging84US 6,064,517 AKLA-Tencor Corporation · 2000
- Magnification change-over device for a camera58US 5,223,873 ACanon Kabushiki Kaisha · 1993
- Variable magnification viewfinder37US 4,906,078 AOlympus Optical Co., Ltd. · 1990