G01J 2003/285
Hadamard transformation
Official title: {Hadamard transformation}
G01J2003/285 (Hadamard transformation) appears on 11 US grants and 13 published applications in this corpus.
Search patents in G01J- Granted patents
- 11
- Published applications
- 13
- Assignees
- 13
- Inventors
- 27
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
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| 1989 | 1 | 0 |
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| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 1 | 2 |
| 2022 | 3 | 3 |
| 2023 | 2 | 2 |
| 2024 | 3 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cascaded, self-calibrated, single-pixel infrared hadamard transform spectrometer11 Nov 2025US 12,467,785 B2National University of Singapore
- Optical spectrometry method and optical spectrometer5 Mar 2024US 11,920,983 B2Xiamen University
- Spectral device30 Jan 2024US 11,885,680 B2Konica Minolta, Inc.
- Systems and methods for blood analysis9 Jan 2024US 11,867,613 B2Cor Health, Inc.
- High throughput multiplex spectroscopy29 Aug 2023US 11,740,127 B211887041 Canada Ltd.
- Optical sensor device12 Jun 2025US 2025/0189371 A1Viavi Solutions Inc.
- Cascaded, self-calibrated, single-pixel infrared hadamard transform spectrometer14 Nov 2024US 2024/0377252 A1National University of Singapore
- Apparatus and method for blood analysis13 Jun 2024US 2024/0192126 A1Cor Health, Inc.
- Systems and methods for blood analysis19 Jan 2023US 2023/0012920 A1Cor Health, Inc.
- Apparatus and method for spectroscopic analysis on infrared rays19 Jan 2023US 2023/0018507 A1Electronics and Telecommunications Research Institute
Most cited
By later US patents