G01N 2021/9511
Optical elements other than lenses
Official title: {Optical elements other than lenses, e.g. mirrors}
G01N2021/9511 (Optical elements other than lenses) appears on 104 US grants and 108 published applications in this corpus.
Search patents in G01N- Granted patents
- 104
- Published applications
- 108
- Assignees
- 96
- Inventors
- 316
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 2 | 3 |
| 2007 | 3 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 4 |
| 2014 | 1 | 3 |
| 2015 | 3 | 7 |
| 2016 | 7 | 5 |
| 2017 | 3 | 10 |
| 2018 | 6 | 8 |
| 2019 | 12 | 3 |
| 2020 | 7 | 10 |
| 2021 | 6 | 2 |
| 2022 | 8 | 13 |
| 2023 | 7 | 16 |
| 2024 | 12 | 8 |
| 2025 | 10 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical-based validation of orientations of internal facets15 Sep 2026US 12,736,334 B2Lumus Ltd.
- Visual inspection apparatus and visual inspection method21 Apr 2026US 12,607,571 B2Hitachi Astemo, Ltd.
- System and method to control the quality of a reflector body of a lamp for motor vehicles2 Dec 2025US 12,488,453 B2Marelli Automotive Lighting Italy S.p.A. Con Socio Unico
- Measurement of thick films and high aspect ratio structures4 Nov 2025US 12,461,041 B2KLA Corporation
- Apparatus for detecting defects of reflective element2 Sep 2025US 12,405,282 B2Taiwan Nano-Technology Application Corp
- Optical element inspection method, system, and application9 Jul 2026US 2026/0194417 A1Fuyao Glass Industry Group Co., Ltd.
- System for detecting obscurants on a vehicle lamp15 Jan 2026US 2026/0014933 A1
- Fault detection and classification (fdc) for endpoint detection (epd) by reflectometry3 Jul 2025US 2025/0216336 A1Tokyo Electron Limited
- Wafer level testing of optical components17 Apr 2025US 2025/0125199 A1II-Vi Delaware, Inc.
- Optical Sample Characterization13 Mar 2025US 2025/0085229 A1Lumus Ltd.
Most cited
By later US patents
- Optical components107US 9,423,360 B1Microsoft Technology Licensing, LLC · 2016
- Apparatus for measuring polarization and birefringence29US 5,257,092 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1993
- Device for testing components of transparent material for surface irregularities and occlusions25US 4,815,844 ABattelle-Institut e. V. · 1989
- Optical member inspection apparatus23US 6,034,766 AAsahi Kogaku Kogyo Kabushiki Kaisha · 2000
- Testing optical fiber splices17US 6,513,994 B1Fitel USA Corp. · 2003