H01S 3/1695
Germanium
Official title: {germanium}
H01S3/1695 (Germanium) appears on 32 US grants and 39 published applications in this corpus.
Search patents in H01S- Granted patents
- 32
- Published applications
- 39
- Assignees
- 32
- Inventors
- 90
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 3 | 7 |
| 2007 | 4 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 4 | 2 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 3 |
| 2021 | 0 | 0 |
| 2022 | 5 | 5 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Fiber amplifier2 Jun 2026US 12,646,901 B2Huawei Technologies Co., Ltd.
- Amplifying optical fibers17 Mar 2026US 12,580,359 B2Corning Incorporated
- Active element added-optical fiber, resonator, and fiber laser device3 Dec 2024US 12,160,077 B2Fujikura Ltd.
- Filter device and laser apparatus5 Dec 2023US 11,835,776 B2Fujikura Ltd.
- High efficiency 1.3μm emission in praseodymium doped conventional glass and fiber15 Nov 2022US 11,502,474 B2Thorlabs, Inc.
- Hybrid optical amplifier1 Oct 2026US 2026/0302711 A11FINITY Inc.
- Pedestal-free, thulium-doped optical fiber8 May 2025US 2025/0149843 A1nLIGHT, Inc.
- High power raman fiber laser22 Feb 2024US 2024/0063598 A1Raytheon Company
- Amplifying Optical Fibers19 Oct 2023US 2023/0335966 A1Corning Incorporated
- Fiber amplifier13 Oct 2022US 2022/0329035 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- High numerical aperture optical fiber34US 7,463,805 B2Corning Incorporated · 2008
- High SBS threshold optical fiber11US 7,130,514 B1Corning Incorporated · 2006
- Rare earth doped single polarization double clad optical fiber and a method for making such fiber9US 7,203,407 B2Corning Incorporated · 2007
- Optical system for providing short laser-pulses7US 7,813,387 B2Nkt Photonics A/S · 2010
- Rare earth doped single polarization double clad optical fiber with plurality of air holes5US 7,280,728 B2Corning Incorporated · 2007