H01S 3/1691
Characterised by additives / sensitisers / promoters as further dopants
Official title: {characterised by additives / sensitisers / promoters as further dopants}
H01S3/1691 (Characterised by additives / sensitisers / promoters as further dopants) appears on 185 US grants and 168 published applications in this corpus.
Search patents in H01S- Granted patents
- 185
- Published applications
- 168
- Assignees
- 140
- Inventors
- 500
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 3 |
| 2003 | 4 | 5 |
| 2004 | 1 | 8 |
| 2005 | 5 | 6 |
| 2006 | 6 | 9 |
| 2007 | 8 | 7 |
| 2008 | 5 | 2 |
| 2009 | 2 | 4 |
| 2010 | 3 | 6 |
| 2011 | 4 | 11 |
| 2012 | 5 | 6 |
| 2013 | 5 | 7 |
| 2014 | 9 | 8 |
| 2015 | 14 | 14 |
| 2016 | 9 | 11 |
| 2017 | 14 | 8 |
| 2018 | 2 | 0 |
| 2019 | 4 | 5 |
| 2020 | 2 | 8 |
| 2021 | 1 | 6 |
| 2022 | 9 | 11 |
| 2023 | 4 | 8 |
| 2024 | 7 | 6 |
| 2025 | 4 | 7 |
| 2026 | 7 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical amplifying fiber, optical fiber amplifier, and optical communication system15 Sep 2026US 12,738,707 B2Furukawa Electric Co., Ltd.
- Doped fiber amplifier having pass-through pump laser with integrated optical isolator4 Aug 2026US 12,700,708 B2II-Vi Delaware, Inc.
- Fiber amplifier2 Jun 2026US 12,646,901 B2Huawei Technologies Co., Ltd.
- Optical fiber raw material composition, optical fiber, and optical fiber product19 May 2026US 12,633,715 B2Huawei Technologies Co., Ltd.
- Amplifying optical fibers17 Mar 2026US 12,580,359 B2Corning Incorporated
- Hybrid optical amplifier1 Oct 2026US 2026/0302711 A11FINITY Inc.
- Integrated ceramic waveguide optical amplifiers and laser devices9 Jul 2026US 2026/0196793 A1
- Systems and methods for laser pulse monitoring and calibration27 Nov 2025US 2025/0359931 A1Boston Scientific Scimed, Inc.
- Semiconductor laser pumped solid state laser20 Nov 2025US 2025/0357719 A1KYOCERA SOC Corporation
- Visible ceramic laser, gain medium for same, and process of making the gain medium6 Nov 2025US 2025/0343389 A1Imra America, Inc.
Most cited
By later US patents
- Ytterbium-doped optical fiber, fiber laser, and fiber amplifier219US 8,363,313 B2Fujikura Ltd. · 2013
- Ytterbium-doped optical fiber, fiber laser and fiber amplifier219US 8,941,912 B2Fujikura Ltd. · 2015
- Article comprising an optical fiber laser93US 5,237,576 AAT&T Bell Laboratories · 1993
- Cladding member for optical fibers and optical fibers formed with the cladding member90US 6,483,973 B1Fitel USA Corp. · 2002
- High-power pumping of three-level optical fiber laser amplifier66US 5,530,710 AAT&T Corp. · 1996