G02B 6/29364
Cascading by a light guide path between filters or filtering operations
Official title: {Cascading by a light guide path between filters or filtering operations, e.g. fibre interconnected single filter modules}
G02B6/29364 (Cascading by a light guide path between filters or filtering operations) appears on 85 US grants and 59 published applications in this corpus.
Search patents in G02B- Granted patents
- 85
- Published applications
- 59
- Assignees
- 61
- Inventors
- 195
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 3 |
| 2002 | 11 | 12 |
| 2003 | 7 | 5 |
| 2004 | 11 | 8 |
| 2005 | 5 | 3 |
| 2006 | 2 | 0 |
| 2007 | 4 | 2 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 3 |
| 2019 | 4 | 4 |
| 2020 | 4 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 4 |
| 2023 | 2 | 1 |
| 2024 | 3 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Optical branching device with internal waveguide120US 4,693,544 ANippon Sheet Glass Co., Ltd. · 1987
- Integrated 3-dimensional multi-layer thin-film optical couplers and attenuators110US 6,542,671 B1Super Light Wave Corp. · 2003
- Method and apparatus for analyzing a test material by inducing and detecting light-matter interactions81US 6,370,406 B1Cirrex Corp. · 2002
- Optical multiplexing/demultiplexing device70US 5,920,411 A1999
- Fiber optic probes for indwelling investigations68US 6,366,726 B1Cirrex Corp. · 2002