G02B 6/29392
Controlling dispersion
Official title: {Controlling dispersion (G02B6/02214 takes precedence; modal dispersion control G02B6/268)}
G02B6/29392 (Controlling dispersion) appears on 435 US grants and 373 published applications in this corpus.
Search patents in G02B- Granted patents
- 435
- Published applications
- 373
- Assignees
- 202
- Inventors
- 904
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 14 | 0 |
| 2000 | 20 | 0 |
| 2001 | 36 | 11 |
| 2002 | 35 | 52 |
| 2003 | 41 | 84 |
| 2004 | 51 | 43 |
| 2005 | 42 | 38 |
| 2006 | 36 | 30 |
| 2007 | 23 | 14 |
| 2008 | 22 | 11 |
| 2009 | 14 | 16 |
| 2010 | 11 | 16 |
| 2011 | 4 | 7 |
| 2012 | 8 | 1 |
| 2013 | 8 | 4 |
| 2014 | 3 | 3 |
| 2015 | 4 | 5 |
| 2016 | 7 | 5 |
| 2017 | 6 | 4 |
| 2018 | 3 | 4 |
| 2019 | 1 | 2 |
| 2020 | 3 | 6 |
| 2021 | 4 | 4 |
| 2022 | 4 | 3 |
| 2023 | 4 | 4 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light emitting diode chip having distributed bragg reflector11 Nov 2025US 12,471,416 B2Seoul Viosys Co., Ltd.
- Wavelength conversion element and method for producing same11 Jun 2024US 12,007,666 B2Nippon Telegraph and Telephone Corporation
- Dual-mode receiver integrated with dispersion compensator2 Jan 2024US 11,863,238 B2
- Optical subassembly for bidirectional WDM application5 Dec 2023US 11,835,767 B2Alpine Optoelectronics Inc.
- Fiber-based supercontinuum light source31 Oct 2023US 11,803,096 B2OFS Fitel, LLC
- Dispersion managed transceiver, modulator and dispersion compensation method23 Jul 2026US 2026/0213842 A1Linktel Technologies Co., Ltd.
- Integrated Prism-Chirped Volume Bragg Grating For Dispersion Compensation30 Apr 2026US 2026/0118565 A1Google Inc.
- Light emitting diode chip having distributed bragg reflector30 Apr 2026US 2026/0123114 A1Seoul Viosys Co., Ltd.
- Wavelength selective switch and related optical device15 Jan 2026US 2026/0016637 A1Huawei Technologies Co., Ltd.
- Optical device and method for forming the same21 Nov 2024US 2024/0385401 A1Singapore University of Technology and Design
Most cited
By later US patents
- Apparatus and method for delivery of dispersion-compensated ultrashort optical pulses with high peak power220US 6,249,630 B1Imra America, Inc. · 2001
- Chromatic dispersion compensation device172US 6,519,065 B1JDS Fitel Inc. · 2003
- Apparatus and method for delivery of dispersion compensated ultrashort optical pulses with high peak power127US 5,862,287 AImra America, Inc. · 1999
- Method and system for testing a tunable chromatic dispersion, dispersion slope, and polarization mode dispersion compensator utilizing a virtually imaged phased array127US 6,441,959 B1Avanex Corporation · 2002
- Tunable chromatic dispersion and dispersion slope compensator utilizing a virtually imaged phased array122US 6,301,048 B1Avanex Corporation · 2001