G02B 6/29325
Of the slab or planar or plate like form, i.e. confinement in
Official title: {of the slab or planar or plate like form, i.e. confinement in a single transverse dimension only (integrated circuit planar waveguide arrangements G02B6/12007; specially adapted for lighting G02B6/0011)}
G02B6/29325 (Of the slab or planar or plate like form, i.e. confinement in) appears on 300 US grants and 283 published applications in this corpus.
Search patents in G02B- Granted patents
- 300
- Published applications
- 283
- Assignees
- 167
- Inventors
- 540
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 1 |
| 2002 | 4 | 7 |
| 2003 | 17 | 25 |
| 2004 | 13 | 16 |
| 2005 | 9 | 19 |
| 2006 | 16 | 9 |
| 2007 | 12 | 10 |
| 2008 | 3 | 2 |
| 2009 | 9 | 4 |
| 2010 | 6 | 6 |
| 2011 | 3 | 4 |
| 2012 | 5 | 0 |
| 2013 | 4 | 5 |
| 2014 | 2 | 7 |
| 2015 | 6 | 9 |
| 2016 | 12 | 13 |
| 2017 | 7 | 12 |
| 2018 | 14 | 21 |
| 2019 | 13 | 15 |
| 2020 | 15 | 16 |
| 2021 | 21 | 24 |
| 2022 | 12 | 10 |
| 2023 | 22 | 15 |
| 2024 | 11 | 18 |
| 2025 | 7 | 9 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Technologies for optical demultiplexing with backwards compatibility6 Oct 2026US 12,754,364 B2Intel Corporation
- Contradirectional-filter architecture having low back-reflection15 Sep 2026US 12,736,752 B2Quintessent Inc.
- Optical eyepiece using single-sided patterning of grating couplers27 Jan 2026US 12,535,671 B2Magic Leap, Inc.
- Apparatus for optical coupling20 Jan 2026US 12,529,844 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Double-layered antisymmetric two mode Bragg gratings14 Oct 2025US 12,442,981 B2Cisco Technology, Inc.
- Mode group demultiplexing method and device based on cascaded diffractive network20 Aug 2026US 2026/0243964 A1Sun Yat-Sen University
- High mis-alignment tolerate co-package optics28 May 2026US 2026/0147169 A1International Business Machines Corporation
- Optical eyepiece using single-sided patterning of grating couplers30 Apr 2026US 2026/0118655 A1Magic Leap, Inc.
- Fabrication method of apparatus for optical coupling23 Apr 2026US 2026/0110840 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Inspection systems using metasurface and integrated optical systems for lithography2 Apr 2026US 2026/0093186 A1ASML Netherlands B. V.
Most cited
By later US patents
- Multi-plane optical apparatus310US 7,573,640 B2Mirage Innovations Ltd. · 2009
- Optical wavelength division multiplexing/demultiplexing system228US 4,773,063 AUniversity of Delaware · 1988
- Planar holographic optical device for beam expansion and display228US 6,169,613 AYeda Research & Devel Co., Ltd. · 2001
- Holographic optical devices for the transmission of optical signals of a plurality of channels222US 5,682,255 AYeda Research and Development Co. Ltd. · 1997
- Alternating sequential half duplex communication system218US 4,979,170 AQUALCOMM Incorporated · 1990