G02B 27/0988
Diaphragms, spatial filters, masks for removing or filtering a part of the
Official title: {Diaphragms, spatial filters, masks for removing or filtering a part of the beam}
G02B27/0988 (Diaphragms, spatial filters, masks for removing or filtering a part of the) appears on 222 US grants and 250 published applications in this corpus.
Search patents in G02B- Granted patents
- 222
- Published applications
- 250
- Assignees
- 194
- Inventors
- 651
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 3 | 7 |
| 2006 | 2 | 4 |
| 2007 | 0 | 7 |
| 2008 | 5 | 7 |
| 2009 | 3 | 6 |
| 2010 | 7 | 6 |
| 2011 | 3 | 5 |
| 2012 | 7 | 5 |
| 2013 | 4 | 7 |
| 2014 | 6 | 10 |
| 2015 | 6 | 15 |
| 2016 | 13 | 13 |
| 2017 | 12 | 23 |
| 2018 | 14 | 15 |
| 2019 | 18 | 16 |
| 2020 | 18 | 12 |
| 2021 | 10 | 11 |
| 2022 | 11 | 9 |
| 2023 | 8 | 22 |
| 2024 | 16 | 18 |
| 2025 | 12 | 20 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Display device and wearable display device that are capable of quickly determining gaze positions and method for determining gaze positions28 Apr 2026US 12,613,410 B2Boe Technology Group Co., Ltd.
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- Optical device for modifying a light beam1 Oct 2026US 2026/0299273 A1Carl Zeiss Microscopy GmbH
- Aperture-Metasurface and Hybrid Refractive-Metasurface Imaging Systems17 Sep 2026US 2026/0282578 A1Metalenz, Inc.
- Parallel local control of optically addressed qubits20 Aug 2026US 2026/0244073 A1The Trustees of Princeton University
- Systems, Methods, And Devices For Optical Output Generation11 Jun 2026US 2026/0161005 A1Euv Tech, Inc.
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Most cited
By later US patents
- Diffractive homogenizer with compensation for spatial coherence89US 6,072,631 A3M Innovative Properties Company · 2000
- Optical spatial frequency filter84US 4,575,193 AEastman Kodak Company · 1986
- Enhanced light fixture75US 7,431,489 B2Fusion Optix, Inc. · 2008
- Double bessel beam producing method and apparatus64US 6,016,223 ACanon Kabushiki Kaisha · 2000
- Method of manufacturing nozzle plate for ink jet printer55US 5,263,250 ACanon Kabushiki Kaisha · 1993