G02B 6/29379
Characterised by the function or use of the complete device
Official title: {characterised by the function or use of the complete device}
G02B6/29379 (Characterised by the function or use of the complete device) appears on 3,119 US grants and 2,702 published applications in this corpus.
Search patents in G02B- Granted patents
- 3,119
- Published applications
- 2,702
- Assignees
- 1,058
- Inventors
- 5,336
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 10 | 0 |
| 1987 | 21 | 0 |
| 1988 | 23 | 0 |
| 1989 | 11 | 0 |
| 1990 | 17 | 0 |
| 1991 | 16 | 0 |
| 1992 | 5 | 0 |
| 1993 | 11 | 0 |
| 1994 | 18 | 0 |
| 1995 | 26 | 0 |
| 1996 | 29 | 0 |
| 1997 | 24 | 0 |
| 1998 | 55 | 0 |
| 1999 | 71 | 0 |
| 2000 | 98 | 0 |
| 2001 | 167 | 49 |
| 2002 | 183 | 302 |
| 2003 | 216 | 353 |
| 2004 | 265 | 227 |
| 2005 | 198 | 144 |
| 2006 | 156 | 121 |
| 2007 | 144 | 78 |
| 2008 | 105 | 57 |
| 2009 | 56 | 59 |
| 2010 | 54 | 50 |
| 2011 | 32 | 41 |
| 2012 | 39 | 35 |
| 2013 | 32 | 47 |
| 2014 | 42 | 44 |
| 2015 | 60 | 67 |
| 2016 | 81 | 113 |
| 2017 | 102 | 125 |
| 2018 | 104 | 111 |
| 2019 | 104 | 99 |
| 2020 | 108 | 94 |
| 2021 | 88 | 83 |
| 2022 | 76 | 90 |
| 2023 | 73 | 97 |
| 2024 | 70 | 75 |
| 2025 | 58 | 68 |
| 2026 | 31 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/2938For multiplexing or demultiplexing, i.e. combining or separating wavelengths1,812
- G02B 6/29395Configurable1,172
- G02B 6/29392Controlling dispersion435
- G02B 6/29398Temperature insensitivity256
- G02B 6/29389Bandpass filtering152
- G02B 6/29391Power equalisation of different channels99
- G02B 6/29397Polarisation insensitivity95
Recent patents
- Technologies for optical demultiplexing with backwards compatibility6 Oct 2026US 12,754,364 B2Intel Corporation
- Contradirectional-filter architecture having low back-reflection15 Sep 2026US 12,736,752 B2Quintessent Inc.
- High-isolation light source filling device and method in wavelength Division multiplexing system25 Aug 2026US 12,719,577 B2Accelink Technologies Co., Ltd.
- Process variation-tolerant cascaded tapered optical ring resonators18 Aug 2026US 12,710,596 B2Xilinx, Inc.
- Wavelength agile multiplexing11 Aug 2026US 12,704,682 B2Apple Inc.
- 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
- Optical wavelength division multiplexing/demultiplexing system228US 4,773,063 AUniversity of Delaware · 1988
- Planar holographic optical device for beam expansion and display228US 6,169,613 AYeda Research & Devel Co., Ltd. · 2001
- Variable optical fiber Bragg filter arrangement226US 5,007,705 AUnited Technologies Corporation · 1991