G02B 27/4244
In wavelength selecting devices
Official title: {in wavelength selecting devices (spectrometry G01J)}
G02B27/4244 (In wavelength selecting devices) appears on 186 US grants and 209 published applications in this corpus.
Search patents in G02B- Granted patents
- 186
- Published applications
- 209
- Assignees
- 154
- Inventors
- 500
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 8 |
| 2003 | 7 | 2 |
| 2004 | 2 | 8 |
| 2005 | 5 | 10 |
| 2006 | 1 | 5 |
| 2007 | 3 | 7 |
| 2008 | 4 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 7 |
| 2011 | 1 | 4 |
| 2012 | 3 | 7 |
| 2013 | 4 | 6 |
| 2014 | 9 | 3 |
| 2015 | 5 | 10 |
| 2016 | 5 | 16 |
| 2017 | 14 | 11 |
| 2018 | 10 | 18 |
| 2019 | 20 | 12 |
| 2020 | 13 | 8 |
| 2021 | 8 | 17 |
| 2022 | 10 | 13 |
| 2023 | 7 | 11 |
| 2024 | 7 | 9 |
| 2025 | 11 | 7 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical computation device and optical computation method1 Sep 2026US 12,724,284 B2Fujikura Ltd.
- Waveguides having integrated spacers, waveguides having edge absorbers, and methods for making the same25 Aug 2026US 12,717,077 B2Magic Leap, Inc.
- Aperture-metasurface and hybrid refractive-metasurface imaging systems26 May 2026US 12,641,900 B2Metalenz, Inc.
- Wide wavelength optical detection system19 May 2026US 12,631,488 B2Attollo Engineering, LLC
- Scan-less 3D optical sensing devices and associated lidar based on stacking of integrated photonic chips, wavelength division demultiplexing and position-to-angle conversion of a lens30 Dec 2025US 12,510,637 B2
- Aperture-Metasurface and Hybrid Refractive-Metasurface Imaging Systems17 Sep 2026US 2026/0282578 A1Metalenz, Inc.
- Wavelength selective switch with multiple deflector arrays7 May 2026US 2026/0126591 A1O-Net Technologies (Canada) Inc.
- Optical member, optical system, and spectroscopic device4 Dec 2025US 2025/0373774 A1Canon Kabushiki Kaisha
- Vertical grating filters for photonics23 Oct 2025US 2025/0328025 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Arrays of integrated analytical devices18 Sep 2025US 2025/0290854 A1Pacific Biosciences of California, Inc.
Most cited
By later US patents
- Grating based phase control optical delay line535US 6,111,645 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical frequency domain reflectometry488US 6,160,826 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser478US 5,956,355 AMassachusetts Institute of Technology · 1999
- Interferometeric imaging with a grating based phase control optical delay line475US 6,421,164 B2Massachusetts Institute of Technology · 2002
- Grating based phase control optical delay line383US 6,282,011 B1Massachusetts Institute of Technology · 2001