G02B 13/26
For reproducing with unit magnification
Official title: for reproducing with unit magnification
G02B13/26 (For reproducing with unit magnification) appears on 64 US grants and 58 published applications in this corpus.
Search patents in G02B- Granted patents
- 64
- Published applications
- 58
- Assignees
- 51
- Inventors
- 111
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 3 |
| 2005 | 3 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 5 |
| 2010 | 6 | 3 |
| 2011 | 1 | 4 |
| 2012 | 2 | 4 |
| 2013 | 3 | 5 |
| 2014 | 2 | 1 |
| 2015 | 3 | 4 |
| 2016 | 5 | 5 |
| 2017 | 6 | 5 |
| 2018 | 4 | 1 |
| 2019 | 2 | 3 |
| 2020 | 3 | 4 |
| 2021 | 3 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens30 Dec 2025US 12,510,694 B2Nippon Sheet Glass Co., Ltd.
- Lens system and imaging apparatus9 Jan 2024US 11,867,889 B2Nittoh Inc.
- Unit magnification microscope20 Sep 2022US 11,448,866 B2Omek Optics Ltd.
- Magnification compensation and/or beam steering in optical systems28 Dec 2021US 11,209,635 B2SUSS MicroTec Photonic Systems Inc.
- Lens unit, exposure device, LED head, image forming apparatus, and scanning device7 Dec 2021US 11,194,079 B2Oki Electric Industry Co., Ltd.
- Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens29 Jan 2026US 2026/0029560 A1Nippon Sheet Glass Co., Ltd.
- Optical system and image pickup apparatus14 Aug 2025US 2025/0258362 A1Canon Kabushiki Kaisha
- Rod lens array, optical device, image sensor, printer, inspection apparatus, base glass composition for gradient-index rod lens, and method of manufacturing gradient-index rod lens17 Aug 2023US 2023/0258846 A1Nippon Sheet Glass Co., Ltd.
- Unit magnification microscope31 Mar 2022US 2022/0099953 A1Omek Optics Ltd.
- Lens system and imaging apparatus26 Aug 2021US 2021/0263291 A1Nittoh Inc.
Most cited
By later US patents
- Optical system with two subsystems separately correcting odd aberrations and together correcting even aberrations80US 5,052,763 AInternational Business Machines Corporation · 1991
- Unit magnification projection system and method63US 5,559,629 ATamarack Scientific Co., Inc. · 1996
- Projection lens system and apparatus51US 6,008,884 ANikon Corporation · 1999
- Unit magnification optical system with improved reflective reticle24US 5,040,882 AGeneral Signal Corporation · 1991
- Array-based camera lens system23US 9,945,988 B2Microsoft Technology Licensing, LLC · 2018