H04B 10/675
For controlling the optical bandwidth of the input signal
Official title: {for controlling the optical bandwidth of the input signal, e.g. spectral filtering}
H04B10/675 (For controlling the optical bandwidth of the input signal) appears on 169 US grants and 134 published applications in this corpus.
Search patents in H04B- Granted patents
- 169
- Published applications
- 134
- Assignees
- 99
- Inventors
- 348
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 7 | 5 |
| 2003 | 6 | 8 |
| 2004 | 4 | 7 |
| 2005 | 3 | 12 |
| 2006 | 10 | 2 |
| 2007 | 4 | 4 |
| 2008 | 3 | 8 |
| 2009 | 5 | 5 |
| 2010 | 2 | 3 |
| 2011 | 7 | 5 |
| 2012 | 2 | 2 |
| 2013 | 9 | 2 |
| 2014 | 0 | 4 |
| 2015 | 6 | 7 |
| 2016 | 6 | 3 |
| 2017 | 3 | 4 |
| 2018 | 4 | 13 |
| 2019 | 12 | 13 |
| 2020 | 9 | 4 |
| 2021 | 10 | 3 |
| 2022 | 4 | 9 |
| 2023 | 6 | 2 |
| 2024 | 3 | 3 |
| 2025 | 1 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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