G02B 6/351
Involving stationary waveguides with moving interposed optical elements
Official title: {involving stationary waveguides with moving interposed optical elements (G02B6/3538 takes precedence; interposed waveguides G02B6/3502)}
G02B6/351 (Involving stationary waveguides with moving interposed optical elements) appears on 2,237 US grants and 1,913 published applications in this corpus.
Search patents in G02B- Granted patents
- 2,237
- Published applications
- 1,913
- Assignees
- 809
- Inventors
- 3,491
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 16 | 0 |
| 1987 | 14 | 0 |
| 1988 | 10 | 0 |
| 1989 | 22 | 0 |
| 1990 | 17 | 0 |
| 1991 | 25 | 0 |
| 1992 | 18 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 19 | 0 |
| 1997 | 11 | 0 |
| 1998 | 22 | 0 |
| 1999 | 26 | 0 |
| 2000 | 33 | 0 |
| 2001 | 79 | 35 |
| 2002 | 144 | 285 |
| 2003 | 228 | 300 |
| 2004 | 253 | 192 |
| 2005 | 181 | 131 |
| 2006 | 148 | 97 |
| 2007 | 95 | 78 |
| 2008 | 88 | 48 |
| 2009 | 56 | 57 |
| 2010 | 49 | 50 |
| 2011 | 30 | 32 |
| 2012 | 46 | 38 |
| 2013 | 25 | 42 |
| 2014 | 39 | 34 |
| 2015 | 49 | 47 |
| 2016 | 51 | 45 |
| 2017 | 38 | 50 |
| 2018 | 41 | 49 |
| 2019 | 50 | 37 |
| 2020 | 52 | 68 |
| 2021 | 41 | 41 |
| 2022 | 47 | 34 |
| 2023 | 32 | 40 |
| 2024 | 30 | 33 |
| 2025 | 26 | 25 |
| 2026 | 8 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/3512The optical element being reflective1,761
- G02B 6/3524The optical element being refractive245
- G02B 6/353The optical element being a shutter, baffle, beam dump or opaque element220
- G02B 6/3534The optical element being diffractive, i.e. a grating125
- G02B 6/3522The optical element enabling or impairing total internal reflection115
- G02B 6/3532The optical element being a wavelength independent filter or having spatially dependent49
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Most cited
By later US patents
- Adjustable optical attenuator1,027US 6,167,185 AJDS Fitel Inc. · 2000
- Laser endoscope for spectroscopic imaging418US 5,318,024 AMassachusetts Institute of Technology · 1994
- 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