G02B 6/29365
In a multireflection configuration, i.e. beam following a zigzag path between filters
Official title: {in a multireflection configuration, i.e. beam following a zigzag path between filters or filtering operations}
G02B6/29365 (In a multireflection configuration, i.e. beam following a zigzag path between filters) appears on 351 US grants and 362 published applications in this corpus.
Search patents in G02B- Granted patents
- 351
- Published applications
- 362
- Assignees
- 182
- Inventors
- 802
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 3 |
| 2002 | 10 | 29 |
| 2003 | 16 | 32 |
| 2004 | 24 | 19 |
| 2005 | 16 | 12 |
| 2006 | 11 | 11 |
| 2007 | 12 | 3 |
| 2008 | 10 | 13 |
| 2009 | 8 | 6 |
| 2010 | 9 | 9 |
| 2011 | 6 | 7 |
| 2012 | 7 | 4 |
| 2013 | 9 | 10 |
| 2014 | 4 | 10 |
| 2015 | 9 | 12 |
| 2016 | 11 | 13 |
| 2017 | 18 | 29 |
| 2018 | 25 | 21 |
| 2019 | 18 | 14 |
| 2020 | 24 | 22 |
| 2021 | 12 | 14 |
| 2022 | 13 | 12 |
| 2023 | 12 | 18 |
| 2024 | 13 | 18 |
| 2025 | 12 | 13 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bi-directional and multi-channel optical module with single cavity accommodating both optical transmitter and receiver assemblies11 Aug 2026US 12,706,676 B2Global Technology Inc.
- Wavelength-division multiplexing device and communications device7 Jul 2026US 12,674,936 B2Huawei Technologies Co., Ltd.
- Optical module having electrically-connected substrate10 Mar 2026US 12,571,969 B2Hisense Broadband Multimedia Technologies Co., Ltd.
- Optic multiplexer or demultiplexer17 Feb 2026US 12,554,081 B2Cisco Technology, Inc.
- Optical system, image pickup apparatus, in-vehicle system, and moving apparatus10 Feb 2026US 12,546,973 B2Canon Kabushiki Kaisha
- A Compact Optical Multiplexer - Demultiplexer System13 Aug 2026US 2026/0238375 A1Optimal Coatech (Guangzhou) Co., Ltd.
- Optical receiver and optical module with multiple wavelength tunable filters25 Jun 2026US 2026/0177847 A1Phovel. Co. Ltd
- Lens-type total reflection wavelength division multiplexing passive element structure18 Jun 2026US 2026/0169225 A1Foci Fiber Optic Communications, Inc.
- Optic multiplexer or demultiplexer21 May 2026US 2026/0140335 A1Cisco Technology, Inc.
- Optical communication device14 May 2026US 2026/0133385 A1FUJIFILM Corporation
Most cited
By later US patents
- Optical multiplexing device186US 5,583,683 AOptical Corporation of America · 1996
- Optical multiplexer and demultiplexer151US 4,244,045 ANippon Telegraph & Telephone Public Corporation · 1981
- Modular all-optical cross-connect126US 6,614,953 B2Photuris, Inc. · 2003
- Optical branching device with internal waveguide120US 4,693,544 ANippon Sheet Glass Co., Ltd. · 1987
- Optical wavelength demultiplexer119US 6,198,864 B1Agilent Technologies, Inc. · 2001