G02B 6/3552
1x1 switch
Official title: {1x1 switch, e.g. on/off switch}
G02B6/3552 (1x1 switch) appears on 278 US grants and 173 published applications in this corpus.
Search patents in G02B- Granted patents
- 278
- Published applications
- 173
- Assignees
- 196
- Inventors
- 602
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 3 |
| 2002 | 10 | 20 |
| 2003 | 16 | 26 |
| 2004 | 21 | 36 |
| 2005 | 27 | 20 |
| 2006 | 10 | 12 |
| 2007 | 13 | 8 |
| 2008 | 10 | 6 |
| 2009 | 6 | 8 |
| 2010 | 8 | 5 |
| 2011 | 2 | 2 |
| 2012 | 6 | 3 |
| 2013 | 5 | 8 |
| 2014 | 5 | 3 |
| 2015 | 3 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 3 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 5 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Quantum device, quantum computing device, and quantum computing method1 Sep 2026US 12,724,205 B2Fujitsu Limited
- Optical protection switch with broadcast multi-directional capability13 Sep 2022US 11,444,715 B2Juniper Networks, Inc.
- Optical protection switch with broadcast multi-directional capability20 Apr 2021US 10,985,859 B2Juniper Networks, Inc.
- Opto-mechanical fuse9 Mar 2021US 10,942,088 B2International Business Machines Corporation
- Tunable filter2 Mar 2021US 10,935,727 B2Santec Corporation
- Dual layer optical switch27 Nov 2025US 2025/0362460 A1nEYE Systems, Inc.
- Quantum device, quantum computing device, and quantum computing method7 Nov 2024US 2024/0369775 A1Fujitsu Limited
- Optical processing apparatus and optical system21 Sep 2023US 2023/0296842 A1Huawei Technologies Co., Ltd.
- Optical protection switch with broadcast multi-directional capability15 Jul 2021US 2021/0218491 A1Juniper Networks, Inc.
- Tunable filter6 Aug 2020US 2020/0249399 A1Santec Corporation
Most cited
By later US patents
- Thin film shape memory alloy and method for producing411US 4,864,824 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- Digital micromirror shutter device386US 5,226,099 ATexas Instruments Incorporated · 1993
- Optical interconnection network347US 5,037,173 ATexas Instruments Incorporated · 1991
- Optical microshutter array178US 5,781,331 ARoxburgh Ltd. · 1998
- GRIN fiber lenses160US 6,542,665 B2Lucent Technologies Inc. · 2003