G02B 6/29368
Light guide comprising the filter
Official title: {Light guide comprising the filter, e.g. filter deposited on a fibre end (G02B6/29359 takes precedence)}
G02B6/29368 (Light guide comprising the filter) appears on 158 US grants and 101 published applications in this corpus.
Search patents in G02B- Granted patents
- 158
- Published applications
- 101
- Assignees
- 93
- Inventors
- 298
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 2 |
| 2002 | 8 | 8 |
| 2003 | 6 | 13 |
| 2004 | 3 | 12 |
| 2005 | 11 | 6 |
| 2006 | 10 | 6 |
| 2007 | 10 | 7 |
| 2008 | 6 | 1 |
| 2009 | 3 | 2 |
| 2010 | 4 | 2 |
| 2011 | 0 | 2 |
| 2012 | 3 | 2 |
| 2013 | 2 | 1 |
| 2014 | 3 | 1 |
| 2015 | 0 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 4 |
| 2018 | 1 | 6 |
| 2019 | 7 | 3 |
| 2020 | 1 | 4 |
| 2021 | 5 | 2 |
| 2022 | 4 | 6 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Single-photon optical device21 Jan 2025US 12,204,145 B2Københavns Universitet
- Fiber optic probe having components and features that improve performance9 Jan 2024US 11,867,948 B2Captain JRT LLC
- Reflective terminators for optical networks and methods of making the same2 Jan 2024US 11,860,425 B2Corning Research & Development Corporation
- Coupling multiple optical channels using a z-block5 Sep 2023US 11,747,566 B2Cisco Technology, Inc.
- Wavelength division multiplexing filter for multiplexing or demultiplexing using cascaded frequency shaping1 Aug 2023US 11,714,238 B2Analog Photonics LLC
- Optical detection circuit21 May 2026US 2026/0140321 A1NEC Corporation
- Planar Lightwave Circuit Lattice Filter and Optical Transmitter Module Using Thereof12 Feb 2026US 2026/0043965 A1Nippon Telegraph and Telephone Corporation
- Fiber optic probe having components and features that improve performance10 Apr 2025US 2025/0116816 A1
- Optical sensor and electronic device comprising same19 Dec 2024US 2024/0418934 A1Samsung Electronics Co., Ltd.
- Wavelength Division Multiplexing Filter for Multiplexing or Demultiplexing Using Cascaded Frequency Shaping12 Oct 2023US 2023/0324616 A1Analog Photonics LLC
Most cited
By later US patents
- Temperature stabilization of tapered fiber optic components190US 6,658,182 B1ITF Optical Technologies Inc. · 2003
- Methods and apparatus for filtering an optical fiber165US 6,222,970 B1Cirrex Corp. · 2001
- Method and apparatus for improved fiber optic light management147US 5,953,477 AVisionex, Inc. · 1999
- Optical routing element for use in fiber optic systems121US 6,356,679 B1K2 Optronics, Inc. · 2002
- Fiber optic laser device and light emitter utilizing the device119US 4,358,851 AXerox Corporation · 1982