G02B 6/134
By substitution by dopant atoms
Official title: by substitution by dopant atoms
G02B6/134 (By substitution by dopant atoms) appears on 348 US grants and 263 published applications in this corpus.
Search patents in G02B- Granted patents
- 348
- Published applications
- 263
- Assignees
- 196
- Inventors
- 740
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 11 | 0 |
| 1989 | 8 | 0 |
| 1990 | 13 | 0 |
| 1991 | 18 | 0 |
| 1992 | 12 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 10 |
| 2003 | 15 | 25 |
| 2004 | 17 | 11 |
| 2005 | 7 | 14 |
| 2006 | 11 | 14 |
| 2007 | 8 | 5 |
| 2008 | 4 | 3 |
| 2009 | 1 | 4 |
| 2010 | 6 | 9 |
| 2011 | 3 | 5 |
| 2012 | 9 | 3 |
| 2013 | 8 | 8 |
| 2014 | 4 | 6 |
| 2015 | 9 | 10 |
| 2016 | 12 | 23 |
| 2017 | 17 | 17 |
| 2018 | 11 | 8 |
| 2019 | 11 | 17 |
| 2020 | 16 | 14 |
| 2021 | 18 | 9 |
| 2022 | 6 | 5 |
| 2023 | 9 | 7 |
| 2024 | 6 | 15 |
| 2025 | 8 | 12 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Silicon-on-insulator photonic integrated circuits with integrated silicon photonic component and silicon/nitrogen photonic component6 Oct 2026US 12,754,369 B2Hewlett Packard Enterprise Development LP
- Substrate and method for modifying at least one region of a surface or a portion of a substrate6 Oct 2026US 12,754,371 B2Schott AG
- Current-assisted photonic demodulator including doped modulation and collection regions arranged vertically and located in a compressive zone17 Mar 2026US 12,578,530 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Surface roughness reduction for photonics using high-temperature implantation17 Mar 2026US 12,578,531 B2APPLIED Materials.Inc.
- Planar buried optical waveguides in semiconductor substrate and methods of forming10 Feb 2026US 12,546,941 B2II-Vi Delaware, Inc.
- Optical chip, method of preparing optical chip, and optical module1 Oct 2026US 2026/0299194 A1Hisense Broadband Multimedia Technologies Co., Ltd.
- Silicon nitride core rib waveguides and methods of manufacturing the same3 Sep 2026US 2026/0259370 A1Corning Incorporated
- Integrated ceramic waveguide optical amplifiers and laser devices9 Jul 2026US 2026/0196793 A1
- Ion-doped optical waveguide structure, use method thereof and ion-doped optical waveguide array2 Jul 2026US 2026/0186206 A1Silith Technology Pte. Ltd.
- Photonic integrated circuit and method for annealing18 Jun 2026US 2026/0169221 A1LiGenTec SA
Most cited
By later US patents
- Method of producing optical waveguides by an ion exchange technique on a glass substrate164US 5,160,523 ANokia Corporation · 1992
- Composite optical and electro-optical devices135US 5,846,638 AOnyx Optics, Inc. · 1998
- Process for the production of a relief structure on a semiconductor material support117US 5,494,835 ACommissariat A L' Energie Atomique · 1996
- Method of producing optical waveguides115US 5,035,734 ANokia Corporation · 1991
- Adaptor device for coupling together optical waveguides produced by K-Na ion exchange with optical waveguides produced by Ag-Na ion exchange115US 5,151,958 ANokia Corporation · 1992