G02B 6/2706
As bulk elements, i.e. free space arrangements external to a light guide
Official title: {as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters}
G02B6/2706 (As bulk elements, i.e. free space arrangements external to a light guide) appears on 763 US grants and 620 published applications in this corpus.
Search patents in G02B- Granted patents
- 763
- Published applications
- 620
- Assignees
- 339
- Inventors
- 1,308
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 21 | 0 |
| 2001 | 31 | 11 |
| 2002 | 46 | 61 |
| 2003 | 64 | 99 |
| 2004 | 72 | 41 |
| 2005 | 37 | 28 |
| 2006 | 42 | 23 |
| 2007 | 29 | 18 |
| 2008 | 24 | 20 |
| 2009 | 13 | 12 |
| 2010 | 16 | 12 |
| 2011 | 11 | 12 |
| 2012 | 11 | 11 |
| 2013 | 9 | 7 |
| 2014 | 16 | 19 |
| 2015 | 14 | 20 |
| 2016 | 25 | 26 |
| 2017 | 33 | 31 |
| 2018 | 24 | 23 |
| 2019 | 22 | 25 |
| 2020 | 22 | 21 |
| 2021 | 17 | 18 |
| 2022 | 17 | 14 |
| 2023 | 19 | 24 |
| 2024 | 14 | 15 |
| 2025 | 19 | 18 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical coupling and mode-selective separation or superposition of optical fields25 Aug 2026US 12,717,086 B2Karlsruher Institut für Technologie
- High-power multiplexer and demultiplexer for hollow core fiber dense wavelength-division multiplexing (DWDM) applications23 Jun 2026US 12,663,588 B2Microsoft Technology Licensing, LLC
- Folded hybrid assembly for doped fiber amplifier17 Mar 2026US 12,580,360 B2II-Vi Delaware, Inc.
- Optic multiplexer or demultiplexer17 Feb 2026US 12,554,081 B2Cisco Technology, Inc.
- Micro optic assemblies and optical interrogation systems10 Feb 2026US 12,546,584 B2Intuitive Surgical Operations, Inc.
- Folded hybrid assembly for doped fiber amplifier2 Jul 2026US 2026/0188965 A1II-Vi Delaware, Inc.
- Optic multiplexer or demultiplexer21 May 2026US 2026/0140335 A1Cisco Technology, Inc.
- Optical communication device14 May 2026US 2026/0133385 A1FUJIFILM Corporation
- Wavelength selective switch with multiple deflector arrays7 May 2026US 2026/0126591 A1O-Net Technologies (Canada) Inc.
- Angle insensitive optical arrangement for optical switch23 Apr 2026US 2026/0110850 A1Lumentum Operations LLC
Most cited
By later US patents
- Broadband light source system and method and light source combiner281US 6,570,659 B2LightLab Imaging, Inc. · 2003
- Frequency-selective optical switch employing a frequency dispersive element, polarization dispersive element and polarization modulating elements208US 5,414,540 ABell Communications Research, Inc. · 1995
- Collimating optical device and system149US 8,643,948 B2Lumus Ltd. · 2014
- Optical pulse amplification using chirped Bragg gratings146US 5,499,134 AImra America, Inc. · 1996
- Micro-machine polarization-state controller134US 6,445,485 B1AT&T Corp. · 2002