G02B 6/4212
The intermediate optical element being a coupling medium interposed therebetween
Official title: {the intermediate optical element being a coupling medium interposed therebetween, e.g. epoxy resin, refractive index matching material, index grease, matching liquid or gel}
G02B6/4212 (The intermediate optical element being a coupling medium interposed therebetween) appears on 452 US grants and 430 published applications in this corpus.
Search patents in G02B- Granted patents
- 452
- Published applications
- 430
- Assignees
- 274
- Inventors
- 1,198
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 5 |
| 2002 | 11 | 22 |
| 2003 | 12 | 20 |
| 2004 | 12 | 16 |
| 2005 | 20 | 16 |
| 2006 | 11 | 7 |
| 2007 | 10 | 5 |
| 2008 | 5 | 13 |
| 2009 | 11 | 11 |
| 2010 | 7 | 9 |
| 2011 | 10 | 6 |
| 2012 | 4 | 6 |
| 2013 | 3 | 4 |
| 2014 | 3 | 13 |
| 2015 | 12 | 25 |
| 2016 | 15 | 18 |
| 2017 | 21 | 17 |
| 2018 | 18 | 26 |
| 2019 | 27 | 20 |
| 2020 | 27 | 25 |
| 2021 | 16 | 24 |
| 2022 | 17 | 21 |
| 2023 | 19 | 25 |
| 2024 | 20 | 25 |
| 2025 | 11 | 23 |
| 2026 | 12 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Determination method, optical control element and manufacturing method thereof29 Sep 2026US 12,748,270 B2National Institute of Information and Communications Technology
- Thermal structure for a micro-ring resonator (MRR) in a photonic integrated circuit (PIC)14 Jul 2026US 12,681,243 B2Intel Corporation
- Photonic alignment device and method14 Jul 2026US 12,681,244 B2Intel Corporation
- Method to improve display efficiency and uniformity of AR waveguide30 Jun 2026US 12,669,708 B2APPLIED Materials.Inc.
- Optical transmission device and coupling method thereof19 May 2026US 12,631,834 B2QuantumZ Inc.
- Optoelectronic module1 Oct 2026US 2026/0299221 A1ams-OSRAM International GmbH
- Method to improve display efficiency and uniformity of ar waveguide1 Oct 2026US 2026/0299304 A1APPLIED Materials.Inc.
- Tapers In Optical Chip-to-Chip Interconnects17 Sep 2026US 2026/0276909 A1Tectus Corporation
- Device and method for epoxy-free optical integration in photonic integrated circuits27 Aug 2026US 2026/0251860 A1Mixx Technologies, Inc.
- Optical transceiver20 Aug 2026US 2026/0243975 A1Optomind Inc.
Most cited
By later US patents
- Display sign216US 5,151,679 A1992
- Solid-state light source144US 6,921,920 B2Smith & Nephew, Inc. · 2005
- Fiber bundle combiner and led illumination system and method143US 6,290,382 B1PPT Vision, Inc. · 2001
- Method and apparatus for providing a seamless electrical/optical multi-layer micro-opto-electro-mechanical system assembly133US 5,761,350 A1998
- Fiber optic coupling system116US 4,783,137 A1988