G02F 2203/21
Thermal instability, i.e. dc drift, of an optical modulator
Official title: Thermal instability, i.e. DC drift, of an optical modulator; Arrangements or methods for the reduction thereof
G02F2203/21 (Thermal instability, i.e. dc drift, of an optical modulator) appears on 257 US grants and 219 published applications in this corpus.
Search patents in G02F- Granted patents
- 257
- Published applications
- 219
- Assignees
- 175
- Inventors
- 680
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 1 |
| 2002 | 3 | 5 |
| 2003 | 4 | 12 |
| 2004 | 6 | 14 |
| 2005 | 15 | 7 |
| 2006 | 6 | 7 |
| 2007 | 7 | 10 |
| 2008 | 9 | 7 |
| 2009 | 8 | 15 |
| 2010 | 15 | 15 |
| 2011 | 8 | 14 |
| 2012 | 11 | 5 |
| 2013 | 9 | 5 |
| 2014 | 6 | 12 |
| 2015 | 11 | 7 |
| 2016 | 8 | 6 |
| 2017 | 4 | 6 |
| 2018 | 10 | 15 |
| 2019 | 10 | 12 |
| 2020 | 10 | 5 |
| 2021 | 9 | 10 |
| 2022 | 8 | 7 |
| 2023 | 5 | 1 |
| 2024 | 4 | 8 |
| 2025 | 4 | 6 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Inferential temperature measurement of an electrochromic device196US 6,856,444 B2Sage Electrochromics, Inc. · 2005
- Electrochromic element driver with negative output resistance172US 6,222,177 B1Gentex Corporation · 2001
- Optimized optical transmission system for high capacity transmission129US 5,717,510 AFujitsu Limited · 1998
- Automatic bias control for electro-optic modulators111US 6,046,838 AKestrel Solutions, Inc. · 2000
- Optical transmitter85US 5,170,274 AFujitsu Limited · 1992