G02B 6/29313
Characterised by means for controlling the position or direction of light incident
Official title: {characterised by means for controlling the position or direction of light incident to or leaving the diffractive element, e.g. for varying the wavelength response (switching G02B6/35)}
G02B6/29313 (Characterised by means for controlling the position or direction of light incident) appears on 288 US grants and 254 published applications in this corpus.
Search patents in G02B- Granted patents
- 288
- Published applications
- 254
- Assignees
- 135
- Inventors
- 490
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 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 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 7 | 3 |
| 2002 | 12 | 33 |
| 2003 | 15 | 33 |
| 2004 | 30 | 25 |
| 2005 | 24 | 21 |
| 2006 | 29 | 16 |
| 2007 | 22 | 17 |
| 2008 | 18 | 12 |
| 2009 | 12 | 25 |
| 2010 | 12 | 8 |
| 2011 | 10 | 5 |
| 2012 | 17 | 11 |
| 2013 | 6 | 8 |
| 2014 | 9 | 5 |
| 2015 | 5 | 2 |
| 2016 | 4 | 3 |
| 2017 | 4 | 4 |
| 2018 | 5 | 6 |
| 2019 | 3 | 3 |
| 2020 | 6 | 4 |
| 2021 | 5 | 2 |
| 2022 | 2 | 4 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical fiber filter with ultra-wide tuning range12 May 2026US 12,625,324 B2II-Vi Delaware, Inc.
- Core position grasping method, connection method, and connection device20 Feb 2024US 11,906,783 B2Nippon Telegraph and Telephone Corporation
- Spectrum processing apparatus and reconfigurable optical add-drop multiplexer20 Feb 2024US 11,909,513 B2Huawei Technologies Co., Ltd.
- Optical scanner5 Dec 2023US 11,835,712 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Optical fiber filter with ultra-wide tuning range21 Nov 2023US 11,822,127 B2II-Vi Delaware, Inc.
- Wavelength Selective Device and Corresponding Switching Device30 Apr 2026US 2026/0118587 A1Huawei Technologies Co., Ltd.
- End-capped optical fiber, fiber array, light source device, and wavelength beam combining device2 Apr 2026US 2026/0093068 A1Nichia Corporation
- Polarization-insensitive device, apparatus, and optical network system26 Sep 2024US 2024/0319541 A1Huawei Technologies Co., Ltd.
- Optical fiber filter with ultra-wide tuning range16 Nov 2023US 2023/0367074 A1II-Vi Delaware, Inc.
- Core position grasping method, connection method, and connection device17 Nov 2022US 2022/0365282 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Optical fiber/waveguide illumination system187US 6,272,269 B1DN Labs, Inc. · 2001
- Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects126US 6,821,457 B1Science Applications International Corporation · 2004
- Tunable chromatic dispersion and dispersion slope compensator utilizing a virtually imaged phased array122US 6,301,048 B1Avanex Corporation · 2001
- Optical delay line114US 6,654,127 B2Carl Zeiss Ophthalmic Systems, Inc. · 2003
- High-density optical wavelength division multiplexing112US 5,526,155 AAT&T Corp. · 1996