G01J 1/0474
Diffusers
Official title: {Diffusers (cavities G01J2001/0481)}
G01J1/0474 (Diffusers) appears on 208 US grants and 200 published applications in this corpus.
Search patents in G01J- Granted patents
- 208
- Published applications
- 200
- Assignees
- 158
- Inventors
- 526
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 3 | 5 |
| 2007 | 2 | 2 |
| 2008 | 3 | 7 |
| 2009 | 6 | 8 |
| 2010 | 2 | 3 |
| 2011 | 4 | 5 |
| 2012 | 5 | 4 |
| 2013 | 1 | 8 |
| 2014 | 8 | 5 |
| 2015 | 4 | 7 |
| 2016 | 5 | 13 |
| 2017 | 11 | 17 |
| 2018 | 20 | 12 |
| 2019 | 14 | 19 |
| 2020 | 7 | 15 |
| 2021 | 12 | 14 |
| 2022 | 16 | 12 |
| 2023 | 12 | 15 |
| 2024 | 17 | 9 |
| 2025 | 7 | 9 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polarization independent optoelectronic device and method6 Oct 2026US 12,754,067 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Skin examination device11 Aug 2026US 12,702,305 B2Macquarie Medical Systems Pty Ltd
- Optical device allowing the angular emission pattern of a light source of finite area to be rapidly measured9 Jun 2026US 12,650,335 B2Eldim, Inc.
- Systems and methods of sensor calibration using switchable in-path optical diffuser28 Apr 2026US 12,613,132 B2BAE Systems Space & Mission Systems Inc.
- Conditioning device for reducing positional sensitivity of laser beam on photodetector and method of using the same21 Apr 2026US 12,607,501 B2Electro Scientific Industries, Inc.
- Optical power meter for safe operation of optical wireless power systems1 Oct 2026US 2026/0298705 A1Wi-Charge Ltd.
- Method and system for measuring spatial light field of luminaire20 Nov 2025US 2025/0354861 A1Hangzhou Everfine Photo-E-Info Co., Ltd.
- Laser device and electronic device manufacturing method17 Jul 2025US 2025/0233382 A1Gigaphoton Inc.
- Skin examination device15 May 2025US 2025/0152012 A1Macquarie Medical Systems Pty Ltd
- Concealment component for an optical sensor device8 May 2025US 2025/0146866 A1Viavi Solutions Inc.
Most cited
By later US patents
- Sensor configuration for substantial spacing from a small aperture267US 6,831,268 B2Gentex Corporation · 2004
- Dimmable rearview assembly having a glare sensor146US 7,543,946 B2Gentex Corporation · 2009
- System and method for the diffusion of illumination produced by discrete light sources128US 7,255,458 B2TIR Systems Ltd. · 2007
- Integrated spectrometer assembly and methods88US 6,249,348 B1LJ Laboratories, L.L.C. · 2001
- Light control system74US 4,236,101 ALutron Electronics Co., Inc. · 1980