G02B 26/023
Comprising movable attenuating elements
Official title: {comprising movable attenuating elements, e.g. neutral density filters}
G02B26/023 (Comprising movable attenuating elements) appears on 297 US grants and 368 published applications in this corpus.
Search patents in G02B- Granted patents
- 297
- Published applications
- 368
- Assignees
- 220
- Inventors
- 731
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 4 |
| 2003 | 2 | 2 |
| 2004 | 4 | 1 |
| 2005 | 2 | 3 |
| 2006 | 0 | 4 |
| 2007 | 2 | 6 |
| 2008 | 2 | 8 |
| 2009 | 0 | 1 |
| 2010 | 2 | 7 |
| 2011 | 4 | 3 |
| 2012 | 5 | 19 |
| 2013 | 2 | 20 |
| 2014 | 11 | 36 |
| 2015 | 29 | 30 |
| 2016 | 24 | 29 |
| 2017 | 18 | 30 |
| 2018 | 15 | 23 |
| 2019 | 22 | 31 |
| 2020 | 31 | 27 |
| 2021 | 21 | 20 |
| 2022 | 17 | 20 |
| 2023 | 13 | 15 |
| 2024 | 17 | 13 |
| 2025 | 16 | 8 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light fixture including a three-bar frame solver for shutter control6 Oct 2026US 12,753,906 B2Electronic Theatre Controls, Inc.
- Variable optical attenuator with shutter type mems14 Jul 2026US 12,681,290 B2II-VI Photonics, Inc.
- Partial coherence mitigation in video measurement systems via illumination apodization7 Jul 2026US 12,674,658 B2Quality Vision International, Inc.
- Light route control member and display device comprising same24 Mar 2026US 12,585,161 B2LG Innotek Co., Ltd.
- Light transmittance control film and composition for the light transmittance control film17 Feb 2026US 12,554,120 B2Electronics and Telecommunications Research Institute
- Light fixture including a three-bar frame solver for shutter control1 Oct 2026US 2026/0298444 A1Electronic Theatre Controls, Inc.
- Lunar coronagraph24 Sep 2026US 2026/0287885 A1Arizona Board of Regents on Behalf of the University of Arizona
- Variable Optical Attenuator with Shutter Type MEMS17 Sep 2026US 2026/0276973 A1II-VI Photonics, Inc.
- Mems rotating micro actuators9 Jul 2026US 2026/0193078 A1Preciseley Microtechnology Corp.
- Imaging apparatus, control method, and storage medium7 May 2026US 2026/0126644 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Multi-wavelength laser system, probe station and laser cutter system using the same143US 5,811,751 ANew Wave Research · 1998
- Multi-wavelength variable attenuator and half wave plate123US 5,963,364 ANew Wave Research · 1999
- Multi-wavelength laser system, probe station and laser cutter system using the same93US 5,611,946 ANew Wave Research · 1997
- Cross-fading color filter and system72US 5,825,548 AVari-Lite, Inc. · 1998
- Opto-electronic scanning arrangement56US 4,821,114 ADr. Ing. Rudolf Hell GmbH · 1989