G02B 3/10
Bifocal lenses
Official title: Bifocal lenses; Multifocal lenses
G02B3/10 (Bifocal lenses) appears on 214 US grants and 220 published applications in this corpus.
Search patents in G02B- Granted patents
- 214
- Published applications
- 220
- Assignees
- 172
- Inventors
- 495
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 4 |
| 2003 | 2 | 3 |
| 2004 | 4 | 3 |
| 2005 | 5 | 6 |
| 2006 | 2 | 4 |
| 2007 | 3 | 6 |
| 2008 | 4 | 1 |
| 2009 | 5 | 8 |
| 2010 | 4 | 4 |
| 2011 | 4 | 6 |
| 2012 | 2 | 5 |
| 2013 | 5 | 5 |
| 2014 | 5 | 10 |
| 2015 | 5 | 8 |
| 2016 | 9 | 7 |
| 2017 | 7 | 8 |
| 2018 | 4 | 13 |
| 2019 | 13 | 20 |
| 2020 | 14 | 19 |
| 2021 | 14 | 16 |
| 2022 | 12 | 16 |
| 2023 | 17 | 12 |
| 2024 | 10 | 13 |
| 2025 | 13 | 15 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical imaging system22 Sep 2026US 12,742,914 B2Samsung Electro-Mechanics Co., Ltd.
- Ophthalmic lenses, methods of manufacturing the ophthalmic lenses, and methods of dispensing eye care products including the same16 Jun 2026US 12,654,409 B2SightGlass Vision, Inc.
- Diffractive optics having transversely distributed multiple foci19 May 2026US 12,631,806 B2Arizona Board of Regents on Behalf of the University of Arizona
- Image sensing system and method for imaging19 May 2026US 12,634,602 B2Ventana Medical Systems, Inc.
- Optical display system and electronics apparatus21 Apr 2026US 12,607,857 B2Goertek Inc.
- Image sensing system and method for imaging3 Sep 2026US 2026/0261776 A1Ventana Medical Systems, Inc.
- Optical system devices30 Jul 2026US 2026/0219365 A1Scivax Corporation
- Laser beam processing apparatus and method for cutting objects using the same5 Mar 2026US 2026/0061515 A1Daekhon Corporation Co., Ltd.
- Display apparatus5 Mar 2026US 2026/0068407 A1Samsung Electronics Co., Ltd.
- Objective optical system, image pickup apparatus, and endoscope26 Feb 2026US 2026/0053335 A1Olympus Corporation
Most cited
By later US patents
- Imaging using a multifocal aspheric lens to obtain extended depth of field271US 6,927,922 B2University of Rochester · 2005
- Dual lens system for electronic camera241US 5,051,830 AMesserschmitt-Bolkow-Blohm GmbH · 1991
- Multifocal birefringent lens system237US 5,142,411 A1992
- Optical method and system for extended depth of focus222US 7,061,693 B2Xceed Imaging Ltd. · 2006
- Optical system for alternative or simultaneous direction of light originating from two scenes to the eye of a viewer204US 6,577,411 B1Planop Planar Optics Ltd. · 2003