G02B 6/354
Switching arrangements, i.e. number of input/output ports and interconnection types
Official title: {Switching arrangements, i.e. number of input/output ports and interconnection types}
G02B6/354 (Switching arrangements, i.e. number of input/output ports and interconnection types) appears on 2,552 US grants and 2,092 published applications in this corpus.
Search patents in G02B- Granted patents
- 2,552
- Published applications
- 2,092
- Assignees
- 868
- Inventors
- 3,944
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 15 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 10 | 0 |
| 1985 | 12 | 0 |
| 1986 | 21 | 0 |
| 1987 | 27 | 0 |
| 1988 | 16 | 0 |
| 1989 | 28 | 0 |
| 1990 | 29 | 0 |
| 1991 | 33 | 0 |
| 1992 | 23 | 0 |
| 1993 | 22 | 0 |
| 1994 | 22 | 0 |
| 1995 | 23 | 0 |
| 1996 | 24 | 0 |
| 1997 | 22 | 0 |
| 1998 | 33 | 0 |
| 1999 | 33 | 0 |
| 2000 | 29 | 0 |
| 2001 | 91 | 38 |
| 2002 | 159 | 297 |
| 2003 | 236 | 326 |
| 2004 | 261 | 222 |
| 2005 | 212 | 153 |
| 2006 | 164 | 109 |
| 2007 | 109 | 64 |
| 2008 | 89 | 58 |
| 2009 | 57 | 59 |
| 2010 | 51 | 45 |
| 2011 | 28 | 34 |
| 2012 | 48 | 46 |
| 2013 | 29 | 53 |
| 2014 | 42 | 37 |
| 2015 | 51 | 63 |
| 2016 | 57 | 63 |
| 2017 | 67 | 44 |
| 2018 | 45 | 38 |
| 2019 | 56 | 49 |
| 2020 | 45 | 43 |
| 2021 | 32 | 42 |
| 2022 | 41 | 48 |
| 2023 | 36 | 40 |
| 2024 | 40 | 47 |
| 2025 | 20 | 35 |
| 2026 | 19 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/35442d constellations, i.e. with switching elements and switched beams located in a1,517
- G02B 6/35543d constellations, i.e. with switching elements and switched beams located in a814
- G02B 6/356In an optical cross-connect device741
- G02B 6/3562Switch of the bypass type, i.e. enabling a change of path in107
- G02B 6/3542Non-blocking switch94
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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