G02B 6/3594
Characterised by additional functional means
Official title: {Characterised by additional functional means, e.g. means for variably attenuating or branching or means for switching differently polarized beams}
G02B6/3594 (Characterised by additional functional means) appears on 429 US grants and 362 published applications in this corpus.
Search patents in G02B- Granted patents
- 429
- Published applications
- 362
- Assignees
- 259
- Inventors
- 815
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 12 | 0 |
| 2001 | 18 | 5 |
| 2002 | 35 | 59 |
| 2003 | 46 | 51 |
| 2004 | 40 | 46 |
| 2005 | 38 | 45 |
| 2006 | 33 | 34 |
| 2007 | 31 | 20 |
| 2008 | 23 | 12 |
| 2009 | 16 | 15 |
| 2010 | 14 | 5 |
| 2011 | 4 | 8 |
| 2012 | 8 | 4 |
| 2013 | 4 | 6 |
| 2014 | 6 | 0 |
| 2015 | 6 | 3 |
| 2016 | 4 | 4 |
| 2017 | 7 | 6 |
| 2018 | 3 | 5 |
| 2019 | 6 | 4 |
| 2020 | 4 | 6 |
| 2021 | 4 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 4 | 5 |
| 2025 | 2 | 5 |
| 2026 | 2 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical switches including a ring resonator30 Jun 2026US 12,669,653 B2GLOBALFOUNDRIES U. S. Inc.
- Laser systems for spectroscopy24 Feb 2026US 12,560,764 B2Vector Atomic, Inc.
- Branch ratio measuring device, branch ratio measuring method, and optical multiplexing/demultiplexing circuit manufacturing method14 Oct 2025US 12,442,987 B2NTT, Inc.
- Multicore optical fiber core configuration transformer4 Mar 2025US 12,242,104 B2Corning Research & Development Corporation
- MEMS-based variable optical attenuator array3 Dec 2024US 12,158,614 B2II-Vi Delaware, Inc.
- A system for directing incident light onto spatial light modulator planes30 Jul 2026US 2026/0219457 A1Huber+Suhner Polatis Limited
- Optical switch25 Jun 2026US 2026/0177751 A1santec Holdings Corporation
- Variable optical attenuator (voa) for high optical power handling11 Jun 2026US 2026/0161037 A1Molex Incorporated
- Wavelength selective switch with multiple deflector arrays7 May 2026US 2026/0126591 A1O-Net Technologies (Canada) Inc.
- Variable optical attenuator array, and power adjustment device23 Apr 2026US 2026/0110843 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Adjustable optical attenuator1,027US 6,167,185 AJDS Fitel Inc. · 2000
- Photonic MEMS and structures207US 7,110,158 B2Idc, LLC · 2006
- Micromechanical optical switch202US 6,407,851 B12002
- GRIN fiber lenses160US 6,542,665 B2Lucent Technologies Inc. · 2003
- Microfluidic control using dielectric pumping157US 6,949,176 B2Lightwave Microsystems Corporation · 2005