G02B 13/02
Telephoto objectives, i.e. systems of the type + - in which the
Official title: Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
G02B13/02 (Telephoto objectives, i.e. systems of the type + - in which the) appears on 954 US grants and 1,053 published applications in this corpus.
Search patents in G02B- Granted patents
- 954
- Published applications
- 1,053
- Assignees
- 183
- Inventors
- 970
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 2 |
| 2002 | 5 | 6 |
| 2003 | 8 | 6 |
| 2004 | 6 | 4 |
| 2005 | 3 | 6 |
| 2006 | 4 | 7 |
| 2007 | 8 | 3 |
| 2008 | 3 | 4 |
| 2009 | 3 | 6 |
| 2010 | 4 | 3 |
| 2011 | 4 | 4 |
| 2012 | 5 | 11 |
| 2013 | 7 | 14 |
| 2014 | 18 | 19 |
| 2015 | 16 | 24 |
| 2016 | 20 | 34 |
| 2017 | 26 | 44 |
| 2018 | 35 | 90 |
| 2019 | 77 | 118 |
| 2020 | 83 | 85 |
| 2021 | 80 | 100 |
| 2022 | 65 | 90 |
| 2023 | 89 | 108 |
| 2024 | 93 | 89 |
| 2025 | 106 | 99 |
| 2026 | 59 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Projection optical system and projector6 Oct 2026US 12,754,405 B2Seiko Epson Corporation
- Imaging optical system22 Sep 2026US 12,742,949 B2Sigma Corporation
- Zoom lens and image pickup apparatus22 Sep 2026US 12,742,953 B2Canon Kabushiki Kaisha
- Optical imaging system and portable electronic device including the same15 Sep 2026US 12,736,781 B2Samsung Electro-Mechanics Co., Ltd.
- Imaging lens15 Sep 2026US 12,736,785 B2Guangzhou Luxvisions Innovation Technology Limited
- Optical imaging system8 Oct 2026US 2026/0309957 A1Samsung Electro-Mechanics Co., Ltd.
- Optical imaging system1 Oct 2026US 2026/0299254 A1Samsung Electro-Mechanics Co., Ltd.
- Optical imaging system and portable electronic device including the same1 Oct 2026US 2026/0299262 A1Samsung Electro-Mechanics Co., Ltd.
- Optical system and image pickup apparatus1 Oct 2026US 2026/0299266 A1Canon Kabushiki Kaisha
- Dynamic parallax correction and binocular zoom alignment for telephoto cameras in xr devices1 Oct 2026US 2026/0303776 A1
Most cited
By later US patents
- Offset projection lens for use with reflective spatial light modulators292US 5,914,818 ATexas Instruments Incorporated · 1999
- Miniature telephoto lens assembly141US 9,568,712 B2Corephotonics Ltd. · 2017
- Modified Petzval lens139US 4,232,943 APilkington P. E. Limited · 1980
- Small-size telescopic lens134US 4,465,345 ARicoh Company, Ltd. · 1984
- Telephoto lens131US 3,942,876 APonder & Best, Inc. · 1976