G02B 13/0005
Optical objectives specially designed for the purposes specified below: having f-theta characteristic
Official title: {having F-Theta characteristic (scanning systems employing movable or deformable optical elements G02B26/10)}
G02B13/0005 (Optical objectives specially designed for the purposes specified below: having f-theta characteristic) appears on 324 US grants and 229 published applications in this corpus.
Search patents in G02B- Granted patents
- 324
- Published applications
- 229
- Assignees
- 124
- Inventors
- 469
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 13 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 4 |
| 2002 | 10 | 10 |
| 2003 | 7 | 8 |
| 2004 | 10 | 8 |
| 2005 | 7 | 5 |
| 2006 | 6 | 6 |
| 2007 | 5 | 4 |
| 2008 | 10 | 21 |
| 2009 | 4 | 8 |
| 2010 | 15 | 9 |
| 2011 | 11 | 18 |
| 2012 | 11 | 6 |
| 2013 | 7 | 9 |
| 2014 | 12 | 8 |
| 2015 | 4 | 14 |
| 2016 | 10 | 14 |
| 2017 | 13 | 11 |
| 2018 | 6 | 10 |
| 2019 | 10 | 10 |
| 2020 | 8 | 9 |
| 2021 | 2 | 5 |
| 2022 | 5 | 11 |
| 2023 | 9 | 7 |
| 2024 | 5 | 6 |
| 2025 | 4 | 5 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical arrangement with an f-theta lens14 Apr 2026US 12,601,894 B2Trumpf Laser GmbH
- Optical scanning device and image forming device10 Mar 2026US 12,572,005 B2Sharp Kabushiki Kaisha
- Projection device and method of controlling projection device30 Dec 2025US 12,513,266 B2Seiko Epson Corporation
- Light deflection device and optical device21 Oct 2025US 12,449,652 B2FUJIFILM Corporation
- Thin film characteristic measuring apparatus3 Jun 2025US 12,320,629 B2LG Electronics Inc.
- Lens system17 Sep 2026US 2026/0276949 A1Samsung Electro-Mechanics Co., Ltd.
- Wide-angle objective lens apparatus12 Mar 2026US 2026/0072256 A1HENSOLDT Optronics GmbH
- Light deflection device and optical device15 Jan 2026US 2026/0016684 A1FUJIFILM Corporation
- System, method, and apparatus for de-centered steering for an electro-magnetic beam with source steering25 Sep 2025US 2025/0298237 A1Exciting Technology LLC
- Laser processing apparatus18 Sep 2025US 2025/0289075 A1K & Lab Co., Ltd.
Most cited
By later US patents
- Optical scanning lens, optical scanning and imaging system and optical scanning apparatus incorporating same100US 6,081,386 ARicoh Company, Ltd. · 2000
- Optical scanning device and a scanning lens therefor84US 5,875,051 ARicoh Company, Ltd. · 1999
- Optical scanning lens, optical scanning device and image forming apparatus82US 6,400,391 B1Ricoh Company, Ltd. · 2002
- Scanning and imaging lens, optical scanning device and image forming apparatus72US 6,448,998 B1Ricoh Company, Ltd. · 2002
- Optical scanning device and image forming apparatus69US 6,388,792 B1Ricoh Company, Ltd. · 2002