G01N 21/8901
Optical details
Official title: {Optical details; Scanning details (per se G02B)}
G01N21/8901 (Optical details) appears on 654 US grants and 530 published applications in this corpus.
Search patents in G01N- Granted patents
- 654
- Published applications
- 530
- Assignees
- 487
- Inventors
- 1,550
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 12 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 15 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 2 |
| 2002 | 13 | 12 |
| 2003 | 14 | 11 |
| 2004 | 9 | 16 |
| 2005 | 12 | 23 |
| 2006 | 20 | 26 |
| 2007 | 13 | 24 |
| 2008 | 22 | 17 |
| 2009 | 17 | 18 |
| 2010 | 12 | 22 |
| 2011 | 16 | 18 |
| 2012 | 12 | 15 |
| 2013 | 13 | 12 |
| 2014 | 14 | 18 |
| 2015 | 13 | 22 |
| 2016 | 24 | 18 |
| 2017 | 19 | 29 |
| 2018 | 23 | 33 |
| 2019 | 28 | 28 |
| 2020 | 23 | 26 |
| 2021 | 19 | 28 |
| 2022 | 24 | 24 |
| 2023 | 20 | 33 |
| 2024 | 22 | 16 |
| 2025 | 25 | 21 |
| 2026 | 9 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of hyperspectral imaging using lamp with double-walled housing18 Aug 2026US 12,710,374 B2Parata Systems, LLC
- Sample testing method and sample analyzer16 Jun 2026US 12,656,267 B2Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
- Method for manufacturing separator for electrical storage device14 Apr 2026US 12,601,691 B2Asahi Kasei Battery Separator Corporation
- Self-correcting edge quality in a glass tempering system7 Apr 2026US 12,596,358 B2Cardinal IG Company
- Self-correcting vertical flatness in a glass tempering system24 Feb 2026US 12,560,920 B2Cardinal IG Company
- Camera-based sheet monitoring system8 Oct 2026US 2026/0309640 A1Honeywell International Inc.
- Surface defect detection system1 Oct 2026US 2026/0298839 A1Agteks Orme Ve Tekstil Endustrileri Sanayi Ve Ticaret Limited Sirket
- Surface inspection systems and methods20 Aug 2026US 2026/0243669 A1The Boeing Company
- Pole inspection device and inspection method20 Aug 2026US 2026/0243696 A1Contemporary Amperex Technology Co., Limited
- Measurement system for and method of measuring moving web13 Aug 2026US 2026/0235537 A1Valmet Automation Oy
Most cited
By later US patents
- Apparatus for determining with high resolution the position of edges of a web202US 4,559,451 ADe La Rue Systems Limited · 1985
- Method and apparatus for optical inspection of substrates183US 4,877,326 AKLA Instruments Corporation · 1989
- Apparatus for the non-destructive examination of heterogeneous samples179US 4,030,827 AInstitut National De La Sante Et De La Recherche Medicale (Inserm) · 1977
- Scanning contaminant and defect detector143US 4,378,159 ATencor Instruments · 1983
- Surface scanner with thin film gauge121US 5,416,594 ATencor Instruments · 1995