G02B 6/4218
Optical features
Official title: {Optical features}
G02B6/4218 (Optical features) appears on 25 US grants and 20 published applications in this corpus.
Search patents in G02B- Granted patents
- 25
- Published applications
- 20
- Assignees
- 21
- Inventors
- 63
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 5 |
| 2003 | 0 | 0 |
| 2004 | 2 | 3 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 2 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber module5 May 2026US 12,619,040 B2Sumitomo Electric Industries, Ltd.
- Optical wafer-level package23 Dec 2025US 12,504,590 B2Cisco Technology, Inc.
- Mitigation of polarization impairments in optical fiber link10 Dec 2024US 12,164,160 B2Ayar Labs, Inc.
- Photonic chip coupler connector module20 Aug 2024US 12,068,791 B2Molex Incorporated
- Stabilization system based on properties of polarization maintaining fibers23 Aug 2022US 11,422,320 B1UNM Rainforest Innovations
- Photonic chip coupler connector module7 Nov 2024US 2024/0372631 A1Molex Incorporated
- Optical fiber module26 Sep 2024US 2024/0319459 A1Sumitomo Electric Industries, Ltd.
- Optical wafer-level package6 Jun 2024US 2024/0184066 A1Cisco Technology, Inc.
- Optical path conversion component-equipped circuit board and wiring module to be mounted on circuit board29 Sep 2022US 2022/0308295 A1Sumitomo Electric Industries, Ltd.
- Mitigation of Polarization Impairments in Optical Fiber Link19 May 2022US 2022/0155538 A1Ayar Labs, Inc.
Most cited
By later US patents
- Laser diode module and depolarizer34US 5,692,082 AFujitsu Limited · 1997
- Thermal flux laser annealing for ion implantation of semiconductor P-N junctions26US 7,135,392 B1APPLIED Materials.Inc. · 2006
- Optical fiber-device interconnection and method17US 4,767,430 ACorning Glass Works · 1988
- Apparatus for projecting a line of light from a diode-laser array14US 7,355,800 B2Coherent, Inc. · 2008
- Broadband unpolarized light source13US 4,556,293 AThe United States of America as represented by the Secretary of the Navy · 1985