G02B 6/4228
Passive alignment, i.e. without a detection of the degree of coupling or
Official title: {Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements (G02B6/4234 takes precedence)}
G02B6/4228 (Passive alignment, i.e. without a detection of the degree of coupling or) appears on 2,099 US grants and 2,169 published applications in this corpus.
Search patents in G02B- Granted patents
- 2,099
- Published applications
- 2,169
- Assignees
- 707
- Inventors
- 3,880
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 14 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 22 | 0 |
| 1996 | 26 | 0 |
| 1997 | 32 | 0 |
| 1998 | 37 | 0 |
| 1999 | 42 | 0 |
| 2000 | 43 | 0 |
| 2001 | 54 | 31 |
| 2002 | 76 | 145 |
| 2003 | 96 | 149 |
| 2004 | 95 | 104 |
| 2005 | 87 | 102 |
| 2006 | 78 | 68 |
| 2007 | 79 | 62 |
| 2008 | 68 | 41 |
| 2009 | 44 | 51 |
| 2010 | 40 | 45 |
| 2011 | 28 | 49 |
| 2012 | 28 | 39 |
| 2013 | 38 | 81 |
| 2014 | 56 | 102 |
| 2015 | 95 | 101 |
| 2016 | 104 | 98 |
| 2017 | 114 | 109 |
| 2018 | 96 | 90 |
| 2019 | 80 | 95 |
| 2020 | 88 | 79 |
| 2021 | 63 | 82 |
| 2022 | 66 | 72 |
| 2023 | 58 | 99 |
| 2024 | 69 | 88 |
| 2025 | 64 | 118 |
| 2026 | 42 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Three-dimensional micro-optical systems6 Oct 2026US 12,754,381 B2X-Celeprint Limited
- Fiber connector bulkhead adapter with shroud for protecting high-power fiber6 Oct 2026US 12,754,385 B2nLIGHT, Inc.
- Fiber alignment system22 Sep 2026US 12,742,938 B2Corning Incorporated
- Molded optical connectors with zero-draft mechanical alignment features22 Sep 2026US 12,742,939 B23M Innovative Properties Company
- 400G silicon photonic package with self-aligned fiber22 Sep 2026US 12,742,940 B2SHUNYUN TECHNOLOGY (ZHONGSHAN) Limited
- Detachable optical interface with self-locking mirrors8 Oct 2026US 2026/0309935 A1Intel Corporation
- Optical element assembly, method for manufacturing optical element assembly, optical module, optical engine, and xr glasses1 Oct 2026US 2026/0299224 A1TDK Corporation
- Mechanical Socket and Detachable Connectors for Co-Packaged Optics1 Oct 2026US 2026/0299225 A1Teramount Ltd.
- Next generation fiber optic module1 Oct 2026US 2026/0299228 A1
- Photonic integrated circuit connector with temperature-independent mechanical alignment24 Sep 2026US 2026/0287836 A13M Innovative Properties Company
Most cited
By later US patents
- Optoelectronic component with encapsulant486US 7,208,725 B2Rohm and Haas Electronic Materials LLC · 2007
- Optoelectronic component comprising an encapsulant486US 7,781,727 B2Nuvotronics, LLC · 2010
- Wafer-level optoelectronic device substrate484US 7,288,758 B2Rohm and Haas Electronic Materials LLC · 2007
- Optoelectronic component with flip-chip mounted optoelectronic device484US 8,049,161 B2Samsung Electronics Co., Ltd. · 2011
- Receptacle for connecting parallel fiber optic cables to a multichip module280US 5,499,311 AInternational Business Machines Corporation · 1996