C03C 2201/36
Containing rare earth metals and aluminium
Official title: containing rare earth metals and aluminium, e.g. Er-Al co-doped
C03C2201/36 (Containing rare earth metals and aluminium) appears on 49 US grants and 61 published applications in this corpus.
Search patents in C03C- Granted patents
- 49
- Published applications
- 61
- Assignees
- 42
- Inventors
- 177
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 4 |
| 2003 | 1 | 11 |
| 2004 | 4 | 1 |
| 2005 | 2 | 4 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 3 | 3 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 5 |
| 2012 | 1 | 3 |
| 2013 | 4 | 1 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 0 | 3 |
| 2021 | 2 | 1 |
| 2022 | 4 | 5 |
| 2023 | 2 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Glasses having high fracture toughness12 May 2026US 12,623,952 B2Corning Incorporated
- Optical glass, optical element composed of optical glass, optical system interchangeable lens, and optical device11 Nov 2025US 12,466,759 B2Nikon Corporation
- Radiation-resistant laser optical fiber preform core rod and preparation method therefor4 Jun 2024US 12,001,052 B2Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Fluorescent glass ceramics and glasses with europium content20 Feb 2024US 11,905,207 B2Ivoclar Vivadent AG
- Manufacturing method for optical fiber and manufacturing apparatus for optical fiber6 Jun 2023US 11,667,560 B2Fujikura Ltd.
- Glasses having high fracture toughness13 Aug 2026US 2026/0234048 A1Corning Incorporated
- Glass6 Aug 2026US 2026/0225939 A1AGC Inc.
- Method of making a doped material and associated photonic device29 Jan 2026US 2026/0028264 A1
- Optical Fiber, Optical Fiber Preparation Method, and Optical Fiber Amplifier9 Oct 2025US 2025/0316945 A1Huawei Technologies Co., Ltd.
- Phospho-alumino-silicate erbium doped fiber for extended l-band amplification24 Apr 2025US 2025/0128982 A1Huawei Technologies Canada Co., Ltd.
Most cited
By later US patents
- Ytterbium-doped optical fiber, fiber laser, and fiber amplifier219US 8,363,313 B2Fujikura Ltd. · 2013
- Quartz glass with reduced ultraviolet radiation transmissivity, and electrical discharge lamp using such glass35US 5,572,091 APatent-Treuhand-Gesellschaft f ur elektrische Gl uhlampen mbH · 1996
- Quartz glass doped with rare earth element and production thereof30US 5,262,365 AFurukawa Electric Co., Ltd. · 1993
- Ultraviolet absorbing and yellow light filtering glass article27US 6,677,260 B2Corning Incorporated · 2004
- Rare earth element-doped multiple-core optical fiber and method for fabricating the same23US 5,712,941 AHitachi Cable, Ltd. · 1998