G02B 6/3524
The optical element being refractive
Official title: {the optical element being refractive}
G02B6/3524 (The optical element being refractive) appears on 245 US grants and 211 published applications in this corpus.
Search patents in G02B- Granted patents
- 245
- Published applications
- 211
- Assignees
- 167
- Inventors
- 474
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 8 |
| 2002 | 17 | 24 |
| 2003 | 27 | 49 |
| 2004 | 27 | 22 |
| 2005 | 20 | 8 |
| 2006 | 10 | 6 |
| 2007 | 10 | 10 |
| 2008 | 3 | 3 |
| 2009 | 5 | 0 |
| 2010 | 1 | 4 |
| 2011 | 2 | 1 |
| 2012 | 2 | 6 |
| 2013 | 0 | 4 |
| 2014 | 4 | 4 |
| 2015 | 7 | 3 |
| 2016 | 5 | 1 |
| 2017 | 3 | 4 |
| 2018 | 4 | 7 |
| 2019 | 7 | 5 |
| 2020 | 7 | 5 |
| 2021 | 4 | 7 |
| 2022 | 5 | 5 |
| 2023 | 6 | 9 |
| 2024 | 6 | 9 |
| 2025 | 7 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotating beam switch21 Jul 2026US 12,687,678 B2nLIGHT, Inc.
- Optical switch module and optical by-pass apparatus13 Jan 2026US 12,523,820 B2Formerica Optoelectronics, Inc.
- Optical fiber bundle and optical switch13 Jan 2026US 12,523,823 B2Sumitomo Electric Industries, Ltd.
- Large scale steerable coherent optical switched arrays18 Nov 2025US 12,474,528 B2Analog Photonics LLC
- Periscope optical assembly with inserted components11 Nov 2025US 12,468,088 B2Cisco Technology, Inc.
- Rotating Beam Switch8 Oct 2026US 2026/0309924 A1nLIGHT, Inc.
- Optical switch25 Jun 2026US 2026/0177751 A1santec Holdings Corporation
- Wavelength selective switch with multiple deflector arrays7 May 2026US 2026/0126591 A1O-Net Technologies (Canada) Inc.
- Periscope optical assembly with inserted components4 Dec 2025US 2025/0370188 A1Cisco Technology, Inc.
- Directing light into an optical fiber13 Nov 2025US 2025/0347904 A1Intuitive Surgical Operations, Inc.
Most cited
By later US patents
- Catheter for laser angiosurgery389US 5,693,043 AMassachusetts Institute of Technology · 1997
- Active reflection and anti-reflection optical switch154US 6,515,791 B1Read-Rite Corporation · 2003
- Optical multilayer structure, optical switching device, and image display109US 6,940,631 B2Sony Corporation · 2005
- Integrated optical micro-electromechanical systems and methods of fabricating and operating the same101US 6,636,653 B2Teravicta Technologies, Inc. · 2003
- Vertical displacement device95US 6,940,630 B2University of Florida Research Foundation, Inc. · 2005