G01J 3/4532
Devices of compact or symmetric construction
Official title: {Devices of compact or symmetric construction (G01J3/4531 takes precedence)}
G01J3/4532 (Devices of compact or symmetric construction) appears on 135 US grants and 130 published applications in this corpus.
Search patents in G01J- Granted patents
- 135
- Published applications
- 130
- Assignees
- 103
- Inventors
- 308
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 3 | 5 |
| 2007 | 3 | 9 |
| 2008 | 6 | 6 |
| 2009 | 5 | 7 |
| 2010 | 5 | 2 |
| 2011 | 5 | 4 |
| 2012 | 1 | 3 |
| 2013 | 6 | 3 |
| 2014 | 3 | 5 |
| 2015 | 1 | 5 |
| 2016 | 6 | 6 |
| 2017 | 8 | 5 |
| 2018 | 5 | 7 |
| 2019 | 4 | 8 |
| 2020 | 12 | 15 |
| 2021 | 14 | 10 |
| 2022 | 7 | 5 |
| 2023 | 10 | 7 |
| 2024 | 6 | 5 |
| 2025 | 1 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Handheld optical spectroscopy scanner3 Feb 2026US 12,540,849 B2Buchi Labortechnik AG
- Optical device13 May 2025US 12,298,132 B2Hamamatsu Photonics K.K.
- Large spot size spectrometer10 Dec 2024US 12,163,833 B2Si-Ware Systems
- Blood-solute calculation with a mobile device using non-invasive spectroscopy26 Nov 2024US 12,150,759 B2Google Inc.
- Mirror unit and optical module26 Nov 2024US 12,152,878 B2Hamamatsu Photonics K.K.
- A device and a method for fourier transform spectroscopy and a system for spectral domain interferometric measurement11 Jun 2026US 2026/0157624 A1Imec Vzw
- Spectroscopic analysis and particle identification using out-of-plane imaging of multimode-interferometer waveguide scattering19 Jun 2025US 2025/0198933 A1The Regents of the University of California
- Interference structure, detection apparatus, and spectrometer12 Jun 2025US 2025/0189372 A1Shanghai Institute of Technical Physics, Chinese Academy of Sciences
- Mirror unit and optical module6 Feb 2025US 2025/0044074 A1Hamamatsu Photonics K.K.
- Blood-Solute Calculation with a Mobile Device Using Non-Invasive Spectroscopy30 Jan 2025US 2025/0032011 A1Google Inc.
Most cited
By later US patents
- Fourier domain optical coherence tomography employing a swept multi-wavelength laser and a multi-channel receiver257US 7,391,520 B2Carl Zeiss Meditec AG · 2008
- Miniature fourier transform spectrophotometer110US 7,359,058 B2Morgan Research Corporation · 2008
- Two-beam interferometer for Fourier spectroscopy with rigid pendulum67US 4,383,762 AKayser-Threde GmbH · 1983
- Real time high speed high resolution hyper-spectral imaging45US 7,411,682 B2Green Vision Systems Ltd. · 2008
- Interferometer spectrometer having tiltable reflector assembly and reflector assembly therefor31US 4,915,502 ANicolet Instrument Corporation · 1990