G02B 27/4216
Correcting geometrical aberrations
Official title: {correcting geometrical aberrations}
G02B27/4216 (Correcting geometrical aberrations) appears on 156 US grants and 127 published applications in this corpus.
Search patents in G02B- Granted patents
- 156
- Published applications
- 127
- Assignees
- 95
- Inventors
- 285
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 3 |
| 2002 | 6 | 3 |
| 2003 | 6 | 6 |
| 2004 | 7 | 6 |
| 2005 | 5 | 4 |
| 2006 | 5 | 6 |
| 2007 | 0 | 2 |
| 2008 | 3 | 5 |
| 2009 | 5 | 9 |
| 2010 | 2 | 6 |
| 2011 | 6 | 2 |
| 2012 | 5 | 5 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 7 | 9 |
| 2016 | 4 | 7 |
| 2017 | 7 | 6 |
| 2018 | 5 | 9 |
| 2019 | 7 | 4 |
| 2020 | 7 | 12 |
| 2021 | 6 | 4 |
| 2022 | 7 | 6 |
| 2023 | 5 | 1 |
| 2024 | 6 | 8 |
| 2025 | 2 | 0 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Optical lens for correcting astigmatism451US 5,016,977 AEssilor International-Compagnie Generale · 1991
- Optical element employing aspherical and binary grating optical surfaces427US 5,044,706 AHughes Aircraft Company · 1991
- Multi-plane optical apparatus310US 7,573,640 B2Mirage Innovations Ltd. · 2009
- Compact lens assembly for the teleportal augmented reality system164US 6,804,066 B1University of Central Florida · 2004
- Compact lens assembly for the teleportal augmented reality system151US 6,731,434 B1University of Central Florida · 2004