G02B 6/293
With wavelength selective means
Official title: with wavelength selective means
G02B6/293 (With wavelength selective means) appears on 6,326 US grants and 5,686 published applications in this corpus.
Search patents in G02B- Granted patents
- 6,326
- Published applications
- 5,686
- Assignees
- 1,754
- Inventors
- 9,796
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 12 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 21 | 0 |
| 1985 | 15 | 0 |
| 1986 | 16 | 0 |
| 1987 | 33 | 0 |
| 1988 | 53 | 0 |
| 1989 | 42 | 0 |
| 1990 | 40 | 0 |
| 1991 | 46 | 0 |
| 1992 | 21 | 0 |
| 1993 | 39 | 0 |
| 1994 | 46 | 0 |
| 1995 | 56 | 0 |
| 1996 | 54 | 0 |
| 1997 | 71 | 0 |
| 1998 | 99 | 0 |
| 1999 | 116 | 0 |
| 2000 | 147 | 0 |
| 2001 | 248 | 82 |
| 2002 | 290 | 471 |
| 2003 | 356 | 555 |
| 2004 | 402 | 393 |
| 2005 | 343 | 250 |
| 2006 | 277 | 215 |
| 2007 | 247 | 145 |
| 2008 | 180 | 114 |
| 2009 | 108 | 146 |
| 2010 | 94 | 111 |
| 2011 | 92 | 117 |
| 2012 | 100 | 107 |
| 2013 | 119 | 132 |
| 2014 | 113 | 152 |
| 2015 | 165 | 150 |
| 2016 | 163 | 229 |
| 2017 | 229 | 259 |
| 2018 | 219 | 229 |
| 2019 | 259 | 238 |
| 2020 | 236 | 244 |
| 2021 | 228 | 269 |
| 2022 | 208 | 242 |
| 2023 | 212 | 260 |
| 2024 | 199 | 211 |
| 2025 | 170 | 201 |
| 2026 | 109 | 164 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/29379Characterised by the function or use of the complete device3,119
- G02B 6/29346Operating by wave or beam interference2,654
- G02B 6/29304Operating by diffraction1,984
- G02B 6/29331Operating by evanescent wave coupling1,135
- G02B 6/29371Operating principle based on material dispersion416
- G02B 6/29302Based on birefringence or polarisation199
- G02B 6/29344Operating by modal interference or beating, i.e. of transverse modes160
- G02B 6/29301Based on a phased array of light guides71
Recent patents
- Technologies for optical demultiplexing with backwards compatibility6 Oct 2026US 12,754,364 B2Intel Corporation
- Photonic structures with one or more notched side edges6 Oct 2026US 12,754,366 B2GLOBALFOUNDRIES U. S. Inc.
- Optical flow switching using photonic integrated circuits29 Sep 2026US 12,748,263 B2Lightmatter, Inc.
- Optical coupler with different waveguide materials22 Sep 2026US 12,742,932 B2Intel Corporation
- Apparatus and methods for high-speed and long depth range imaging using optical coherence tomography15 Sep 2026US 12,736,751 B2The General Hospital Corporation
- Adaptive thermal control for micro-ring modulators in photonic links8 Oct 2026US 2026/0309943 A1Samsung Electronics Co., Ltd.
- Semiconductor arrangement and method of making1 Oct 2026US 2026/0299196 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Optical output module, optical element, and method for controlling optical output module1 Oct 2026US 2026/0299206 A1NEC Corporation
- Wavelength filter and wavelength tunable light source1 Oct 2026US 2026/0299207 A1NEC Corporation
- Integrated photonic 2x3 coupler1 Oct 2026US 2026/0299208 A1Cisco Technology, Inc.
Most cited
By later US patents
- High reflection isolation optical devices and the method for making the same357US 7,289,733 B1Alliance Fiber Optic Products, Inc. · 2007
- Multi-plane optical apparatus310US 7,573,640 B2Mirage Innovations Ltd. · 2009
- Apparatus using two-mode optical waveguide with non-circular core294US 4,915,468 AThe Board of Trustees of the Leland Stanford Junior University · 1990
- Broadband light source system and method and light source combiner281US 6,570,659 B2LightLab Imaging, Inc. · 2003
- Wavelength-selective optical add/drop using tilting micro-mirrors256US 5,960,133 ATellium, Inc. · 1999