G02B 7/38
Measured at different points on the optical axis
Official title: measured at different points on the optical axis {, e.g. focussing on two or more planes and comparing image data}
G02B7/38 (Measured at different points on the optical axis) appears on 433 US grants and 465 published applications in this corpus.
Search patents in G02B- Granted patents
- 433
- Published applications
- 465
- Assignees
- 187
- Inventors
- 769
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 4 | 0 |
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| 1985 | 5 | 0 |
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| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
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| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
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| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 9 |
| 2005 | 2 | 4 |
| 2006 | 6 | 8 |
| 2007 | 1 | 10 |
| 2008 | 6 | 15 |
| 2009 | 12 | 19 |
| 2010 | 15 | 20 |
| 2011 | 12 | 21 |
| 2012 | 16 | 15 |
| 2013 | 18 | 33 |
| 2014 | 32 | 28 |
| 2015 | 28 | 26 |
| 2016 | 26 | 40 |
| 2017 | 31 | 38 |
| 2018 | 33 | 29 |
| 2019 | 37 | 29 |
| 2020 | 28 | 31 |
| 2021 | 19 | 30 |
| 2022 | 28 | 21 |
| 2023 | 17 | 11 |
| 2024 | 15 | 11 |
| 2025 | 10 | 14 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Observation system, focus position calculation method, and computer readable medium29 Sep 2026US 12,748,281 B2Evident Corporation
- Systems and methods for autofocus23 Jun 2026US 12,663,609 B210x Genomics, Inc.
- Information processing system, information processing method, and non-transitory recording medium9 Jun 2026US 12,652,465 B2NEC Corporation
- Image sensing system and method for imaging19 May 2026US 12,634,602 B2Ventana Medical Systems, Inc.
- Focal length measuring device and method12 May 2026US 12,627,886 B2K & Lab Co., Ltd.
- Image sensing system and method for imaging3 Sep 2026US 2026/0261776 A1Ventana Medical Systems, Inc.
- Systems and methods for autofocus and automated cell count using artificial intelligence25 Jun 2026US 2026/0177470 A1Cellomics, Inc.
- Systems and methods for focus correction18 Jun 2026US 2026/0169275 A1
- Solid-state imaging device and electronic equipment21 Aug 2025US 2025/0267965 A1Sony Semiconductor Solutions Corporation
- Assisted autofocus method and associated optical imaging system17 Jul 2025US 2025/0231391 A1Schölly Fiberoptic GmbH
Most cited
By later US patents
- Optical image input/output apparatus for objects having a large focal depth65US 5,148,502 AOlympus Optical Co., Ltd. · 1992
- Automatic ranging and automatic focusing59US 5,231,443 AThe Research Foundation of State University of New York · 1993
- Focus detecting device47US 4,768,052 AMinolta Camera Kabushiki Kaisha · 1988
- Light measuring device variably controlled according to focus mode selection45US 4,774,401 ACanon Kabushiki Kaisha · 1988
- Method and system for imaging a cell sample44US 10,176,565 B2S. D. Sight Diagnostics Ltd. · 2019