G02B 6/3548
1xn switch, i.e. one input and a selectable single output of n
Official title: {1xN switch, i.e. one input and a selectable single output of N possible outputs}
G02B6/3548 (1xn switch, i.e. one input and a selectable single output of n) appears on 830 US grants and 607 published applications in this corpus.
Search patents in G02B- Granted patents
- 830
- Published applications
- 607
- Assignees
- 406
- Inventors
- 1,558
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 11 | 0 |
| 1987 | 16 | 0 |
| 1988 | 12 | 0 |
| 1989 | 18 | 0 |
| 1990 | 19 | 0 |
| 1991 | 18 | 0 |
| 1992 | 13 | 0 |
| 1993 | 16 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 16 | 0 |
| 1999 | 19 | 0 |
| 2000 | 13 | 0 |
| 2001 | 26 | 11 |
| 2002 | 41 | 77 |
| 2003 | 51 | 82 |
| 2004 | 68 | 93 |
| 2005 | 73 | 52 |
| 2006 | 44 | 37 |
| 2007 | 34 | 26 |
| 2008 | 31 | 17 |
| 2009 | 18 | 24 |
| 2010 | 24 | 17 |
| 2011 | 9 | 13 |
| 2012 | 16 | 7 |
| 2013 | 9 | 13 |
| 2014 | 11 | 5 |
| 2015 | 9 | 13 |
| 2016 | 9 | 16 |
| 2017 | 17 | 13 |
| 2018 | 11 | 9 |
| 2019 | 15 | 13 |
| 2020 | 10 | 15 |
| 2021 | 12 | 10 |
| 2022 | 15 | 17 |
| 2023 | 8 | 7 |
| 2024 | 10 | 8 |
| 2025 | 3 | 8 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser sparing architectures for multi-wavelength laser arrays6 Oct 2026US 12,754,377 B2NVIDIA Corporation
- Quantum device, quantum computing device, and quantum computing method1 Sep 2026US 12,724,205 B2Fujitsu Limited
- Configurable optical devices having an optical splitter and duplex connector14 Jul 2026US 12,681,238 B2Corning Research & Development Corporation
- Intelligent optical switch12 May 2026US 12,625,326 B2Go!Foton Holdings, Inc.
- Depolarization5 May 2026US 12,619,029 B2Sentea NV
- Optical circuit switch20 Aug 2026US 2026/0243968 A1Lumentum Operations LLC
- Intelligent Optical Switch6 Aug 2026US 2026/0227575 A1Go!Foton Holdings, Inc.
- Pluggable optical protection switch6 Aug 2026US 2026/0227586 A1II-VI Photonics, Inc.
- Angle insensitive optical arrangement for optical switch23 Apr 2026US 2026/0110850 A1Lumentum Operations LLC
- Dual layer optical switch27 Nov 2025US 2025/0362460 A1nEYE Systems, Inc.
Most cited
By later US patents
- Laser endoscope for spectroscopic imaging418US 5,318,024 AMassachusetts Institute of Technology · 1994
- Thin film shape memory alloy and method for producing411US 4,864,824 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- Spectral diagonostic and treatment system393US 5,304,173 AMassachusetts Institute of Technology · 1994
- Catheter for laser angiosurgery389US 5,693,043 AMassachusetts Institute of Technology · 1997
- Digital micromirror shutter device386US 5,226,099 ATexas Instruments Incorporated · 1993