C03C 2201/31
Containing germanium
Official title: containing germanium
C03C2201/31 (Containing germanium) appears on 79 US grants and 72 published applications in this corpus.
Search patents in C03C- Granted patents
- 79
- Published applications
- 72
- Assignees
- 41
- Inventors
- 244
- Latest grant
- 6 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 9 | 6 |
| 2003 | 4 | 11 |
| 2004 | 4 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 3 |
| 2013 | 5 | 3 |
| 2014 | 3 | 0 |
| 2015 | 2 | 4 |
| 2016 | 2 | 4 |
| 2017 | 7 | 5 |
| 2018 | 2 | 2 |
| 2019 | 2 | 3 |
| 2020 | 2 | 2 |
| 2021 | 2 | 6 |
| 2022 | 3 | 3 |
| 2023 | 0 | 1 |
| 2024 | 3 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resin composition, optical fiber, and method for manufacturing optical fiber6 Aug 2024US 12,054,629 B2Sumitomo Electric Industries, Ltd.
- 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
- Optical fiber16 Apr 2024US 11,960,115 B2Sumitomo Electric Industries, Ltd.
- Optical fiber11 Oct 2022US 11,467,340 B2Sumitomo Electric Industries, Ltd.
- Optical fiber4 Oct 2022US 11,460,632 B2Fujikura Ltd.
- Optical glass and optical element27 Aug 2026US 2026/0250179 A1Hoya Corporation
- Resin composition for colored coating on optical fiber, optical fiber, and optical fiber ribbon11 Jun 2026US 2026/0159698 A1Sumitomo Electric Industries, Ltd.
- Ethylenically unsaturated oligomers, methods for their preparation, and the use thereof in coating compositions3 Jul 2025US 2025/0215139 A1Covestro LLC
- Glass material and optical fiber14 Nov 2024US 2024/0377577 A1Sumitomo Electric Industries, Ltd.
- Optical fiber including intra-cladding barrier layer24 Oct 2024US 2024/0353613 A1OFS Fitel, LLC
Most cited
By later US patents
- Ytterbium-doped optical fiber, fiber laser, and fiber amplifier219US 8,363,313 B2Fujikura Ltd. · 2013
- Fabrication of sintered high-silica glasses66US 4,419,115 ABell Telephone Laboratories, Incorporated · 1983
- Method for manufacturing an optical fibre51US 3,957,474 ANippon Telegraph & Telephone Public Corporation · 1976
- Accelerated method for increasing the photosensitivity of a glassy material41US 6,311,524 B13M Innovative Properties Company · 2001
- Dispersion-compensating fiber and method of fabricating the same32US 5,740,297 ASumitomo Electric Industries, Ltd. · 1998