G02B 6/29373
Utilising a bulk dispersive element
Official title: {utilising a bulk dispersive element, e.g. prism}
G02B6/29373 (Utilising a bulk dispersive element) appears on 97 US grants and 88 published applications in this corpus.
Search patents in G02B- Granted patents
- 97
- Published applications
- 88
- Assignees
- 78
- Inventors
- 188
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 6 | 8 |
| 2003 | 6 | 10 |
| 2004 | 6 | 11 |
| 2005 | 6 | 5 |
| 2006 | 6 | 3 |
| 2007 | 3 | 3 |
| 2008 | 4 | 4 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 2 |
| 2014 | 1 | 3 |
| 2015 | 4 | 5 |
| 2016 | 3 | 4 |
| 2017 | 6 | 2 |
| 2018 | 3 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 4 |
| 2022 | 4 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dispersive optical elements, devices, systems and methods using the same24 Mar 2026US 12,585,052 B2Battelle Memorial Institute
- Wavelength selective switch30 Dec 2025US 12,510,713 B2Huawei Technologies Co., Ltd.
- Optical router for distributing optical signals14 Oct 2025US 12,445,201 B2
- Short-waveband active optical component based on vertical emitting laser and multi-mode optical fiber17 Dec 2024US 12,169,314 B2II-Vi Delaware, Inc.
- Short-waveband active optical component based on vertical emitting laser and multi-mode optical fiber28 Nov 2023US 11,828,992 B2II-Vi Delaware, Inc.
- Wavelength Selective Switch, Optical Switching Node, and Communication System10 Sep 2026US 2026/0267071 A1Huawei Technologies Co., Ltd.
- Wavelength Selective Device and Corresponding Switching Device30 Apr 2026US 2026/0118587 A1Huawei Technologies Co., Ltd.
- Angle insensitive optical arrangement for optical switch23 Apr 2026US 2026/0110850 A1Lumentum Operations LLC
- Optical monitor device, and optical power and wavelength measurement method12 Feb 2026US 2026/0043966 A1Nippon Telegraph and Telephone Corporation
- Compact wavelength selective switch15 Jan 2026US 2026/0016636 A1Molex Incorporated
Most cited
By later US patents
- Planar holographic optical device for beam expansion and display228US 6,169,613 AYeda Research & Devel Co., Ltd. · 2001
- Holographic optical devices for the transmission of optical signals of a plurality of channels222US 5,682,255 AYeda Research and Development Co. Ltd. · 1997
- Planar holographic optical device212US 5,966,223 AYeda Research and Development Co. Ltd. · 1999
- Spectroscopic apparatus127US 7,304,798 B2Fujitsu Limited · 2007
- Dual-source optical wavelength processor88US 7,397,980 B2Optium Australia PTY Limited · 2008