G06V 30/199
Arrangements for recognition using optical reference masks
Official title: Arrangements for recognition using optical reference masks, e.g. holographic masks
G06V30/199 (Arrangements for recognition using optical reference masks) appears on 7 US grants and 6 published applications in this corpus.
Search patents in G06V- Granted patents
- 7
- Published applications
- 6
- Assignees
- 6
- Inventors
- 13
- Latest grant
- 5 May 2026
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| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Method for detecting an object in a search image, method for generating a pattern vector, and use of a method for determining a position and/or orientation of a security element of a banknote6 Jun 2024US 2024/0185562 A1Giesecke+Devrient Currency Technology GmbH
- Optical character recognition quality evaluation and optimization16 Nov 2023US 2023/0368551 A1Intuit Inc.
- Optical character recognition quality evaluation and optimization15 Jun 2023US 2023/0186661 A1Intuit Inc.
- Image processing apparatus, image processing method, and storage medium27 Oct 2022US 2022/0343666 A1Canon Kabushiki Kaisha
- Gamified Alphanumeric Character Identification24 Feb 2022US 2022/0058415 A1Electronic Transaction Consultants, LLC
Most cited
By later US patents