G02B 6/4227
Active alignment methods
Official title: {Active alignment methods, e.g. procedures and algorithms}
G02B6/4227 (Active alignment methods) appears on 345 US grants and 293 published applications in this corpus.
Search patents in G02B- Granted patents
- 345
- Published applications
- 293
- Assignees
- 205
- Inventors
- 794
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 14 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 12 | 34 |
| 2003 | 25 | 27 |
| 2004 | 15 | 21 |
| 2005 | 25 | 16 |
| 2006 | 15 | 11 |
| 2007 | 11 | 8 |
| 2008 | 9 | 7 |
| 2009 | 4 | 5 |
| 2010 | 2 | 3 |
| 2011 | 4 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 5 |
| 2015 | 3 | 4 |
| 2016 | 11 | 11 |
| 2017 | 12 | 17 |
| 2018 | 10 | 10 |
| 2019 | 16 | 8 |
| 2020 | 11 | 15 |
| 2021 | 7 | 8 |
| 2022 | 13 | 19 |
| 2023 | 11 | 16 |
| 2024 | 9 | 9 |
| 2025 | 12 | 18 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for aligning and splicing polarization maintaining fibers15 Sep 2026US 12,736,750 B2RAM Photonics Interconnects, LLC
- Methods for aligning an optical connector with an optical component18 Aug 2026US 12,710,605 B2Mellanox Technologies, Ltd.
- Photonic integrated circuit chip4 Aug 2026US 12,699,242 B2Wistron Corporation
- Alignment system for semiconductor optical components of a LIDAR system26 May 2026US 12,638,560 B1Aurora Operations, Inc.
- Optical systems for co-packaged applications12 May 2026US 12,625,325 B2Cisco Technology, Inc.
- Optical component8 Oct 2026US 2026/0309939 A1NTT, Inc.
- Optical fiber positioning device17 Sep 2026US 2026/0276912 A1GLOBALFOUNDRIES U. S. Inc.
- Optical fiber-to-chip interconnection20 Aug 2026US 2026/0243976 A1Ciena Corporation
- Optical fiber array capable of alignment and alignment method thereof23 Jul 2026US 2026/0211196 A1Hermes Testing Solutions Inc.
- Semiconductor module and method for manufacturing semiconductor module16 Jul 2026US 2026/0202624 A1KYOCERA Corporation
Most cited
By later US patents
- Optical networking unit employing optimized optical packaging138US 6,652,158 B2Optical Zonu Corporation · 2003
- Molded reflective optical waveguide120US 5,446,814 AMotorola, Inc. · 1995
- Integrated microelectromechanical alignment and locking apparatus and method for fiber optic module manufacturing111US 6,164,837 AMcDonnell Douglas Corporation · 2000
- Fiber output coupler with beam shaping optics for laser materials processing system109US 4,997,250 AGeneral Electric Company · 1991
- Passive optical network with analog distribution103US 6,606,430 B2Optical Zonu Corporation · 2003