G02B 6/2852
Using tapping light guides arranged sidewardly
Official title: {using tapping light guides arranged sidewardly, e.g. in a non-parallel relationship with respect to the bus light guides (light extraction or launching through cladding, with or without surface discontinuities, bent structures)}
G02B6/2852 (Using tapping light guides arranged sidewardly) appears on 341 US grants and 221 published applications in this corpus.
Search patents in G02B- Granted patents
- 341
- Published applications
- 221
- Assignees
- 226
- Inventors
- 610
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 4 |
| 2002 | 15 | 22 |
| 2003 | 18 | 20 |
| 2004 | 17 | 27 |
| 2005 | 22 | 5 |
| 2006 | 17 | 23 |
| 2007 | 19 | 9 |
| 2008 | 9 | 6 |
| 2009 | 8 | 9 |
| 2010 | 6 | 7 |
| 2011 | 8 | 6 |
| 2012 | 6 | 6 |
| 2013 | 3 | 2 |
| 2014 | 6 | 6 |
| 2015 | 3 | 7 |
| 2016 | 7 | 8 |
| 2017 | 12 | 9 |
| 2018 | 5 | 10 |
| 2019 | 10 | 7 |
| 2020 | 8 | 2 |
| 2021 | 5 | 4 |
| 2022 | 5 | 12 |
| 2023 | 2 | 2 |
| 2024 | 7 | 2 |
| 2025 | 4 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical coupler and optical amplifier23 Dec 2025US 12,506,316 B2Kddi Corporation
- Method and system for multi-wavelength laser system23 Sep 2025US 12,424,815 B2RAM Photonics Industrial, LLC
- Optical side input/output circuit and optical connector9 Sep 2025US 12,411,287 B2Nippon Telegraph and Telephone Corporation
- Systems and methods of side illumination of waveguides29 Jul 2025US 12,372,704 B2
- Method of coupling optical fibers, and optical coupler10 Sep 2024US 12,085,759 B2Universite Laval
- Coupling device and electronic device including the same4 Jun 2026US 2026/0153680 A1Samsung Electronics Co., Ltd.
- Tap Monitor For Use With Optical Power And Method Of Making The Same29 Jan 2026US 2026/0029582 A1Lightel Technologies, Inc.
- Method and system for multi-wavelength laser system11 Dec 2025US 2025/0379413 A1RAM Photonics Industrial, LLC
- Optical device, optical transmitter, and optical receiver13 Nov 2025US 2025/0347851 A1Fujitsu Optical Components Limited
- Systems and methods of side illumination of waveguides23 Oct 2025US 2025/0327963 A1
Most cited
By later US patents
- Touch position sensitive surface279US 4,484,179 AAT&T Bell Laboratories · 1984
- Device for coupling radiation into an optical waveguide252US 4,378,143 ASiemens Aktiengesellschaft · 1983
- Patch cord221US 5,305,405 AADC Telecommunications, Inc. · 1994
- Apparatus for launching or detecting waves of selected modes in an optical dielectric waveguide208US 4,125,768 AThe Post Office · 1978
- Touch position sensitive surface173US 4,346,376 ABell Telephone Laboratories, Incorporated · 1982