C03C 13/04
Fibre optics
Official title: Fibre optics, e.g. core and clad fibre compositions (light guides G02B6/00)
C03C13/04 (Fibre optics) appears on 878 US grants and 669 published applications in this corpus.
Search patents in C03C- Granted patents
- 878
- Published applications
- 669
- Assignees
- 296
- Inventors
- 1,707
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 5 | 0 |
| 1978 | 14 | 0 |
| 1979 | 6 | 0 |
| 1980 | 16 | 0 |
| 1981 | 14 | 0 |
| 1982 | 17 | 0 |
| 1983 | 14 | 0 |
| 1984 | 14 | 0 |
| 1985 | 13 | 0 |
| 1986 | 9 | 0 |
| 1987 | 17 | 0 |
| 1988 | 18 | 0 |
| 1989 | 18 | 0 |
| 1990 | 16 | 0 |
| 1991 | 14 | 0 |
| 1992 | 13 | 0 |
| 1993 | 17 | 0 |
| 1994 | 17 | 0 |
| 1995 | 4 | 0 |
| 1996 | 15 | 0 |
| 1997 | 13 | 0 |
| 1998 | 17 | 0 |
| 1999 | 11 | 0 |
| 2000 | 17 | 0 |
| 2001 | 21 | 4 |
| 2002 | 22 | 35 |
| 2003 | 32 | 57 |
| 2004 | 32 | 36 |
| 2005 | 35 | 44 |
| 2006 | 21 | 25 |
| 2007 | 19 | 22 |
| 2008 | 21 | 26 |
| 2009 | 14 | 28 |
| 2010 | 21 | 30 |
| 2011 | 13 | 17 |
| 2012 | 17 | 19 |
| 2013 | 27 | 12 |
| 2014 | 14 | 8 |
| 2015 | 13 | 26 |
| 2016 | 16 | 22 |
| 2017 | 22 | 30 |
| 2018 | 20 | 27 |
| 2019 | 18 | 34 |
| 2020 | 27 | 26 |
| 2021 | 27 | 35 |
| 2022 | 19 | 21 |
| 2023 | 17 | 23 |
| 2024 | 22 | 23 |
| 2025 | 15 | 31 |
| 2026 | 12 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Athermal glasses and athermal systems for infrared optics22 Sep 2026US 12,741,901 B2Schott AG
- Fiber optics plate, scintillator panel, radiation detector, electron microscope, X-ray blocking method and electron beam blocking method18 Aug 2026US 12,709,569 B2Hamamatsu Photonics K.K.
- Glass substrate for high-frequency device and circuit board for high-frequency device11 Aug 2026US 12,703,657 B2AGC Inc.
- Optical fiber14 Jul 2026US 12,679,764 B2Furukawa Electric Co., Ltd.
- Optical fiber raw material composition, optical fiber, and optical fiber product19 May 2026US 12,633,715 B2Huawei Technologies Co., Ltd.
- Glass material and optical fiber8 Oct 2026US 2026/0308047 A1Sumitomo Electric Industries, Ltd.
- Glass material and optical fiber3 Sep 2026US 2026/0257963 A1Sumitomo Electric Industries, Ltd.
- Infrared-transmitting, polarization-maintaining optical fiber and method for making27 Aug 2026US 2026/0250178 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Lithium-free high modulus fiberglass composition23 Jul 2026US 2026/0209107 A1Owens Corning Intellectual Capital, LLC
- Fused materials with mismatched properties16 Jul 2026US 2026/0200786 A1Honeywell Federal Manufacturing & Technologies, LLC
Most cited
By later US patents
- Optical fiber with quantum dots473US 7,054,513 B2Lambda Instruments, Inc. · 2006
- Optical fibre with quantum dots341US 5,881,200 ABritish Telecommunications Public Ltd.Co. · 1999
- Thermal sensing fiber devices242US 7,567,740 B2Massachusetts Institute of Technology · 2009
- Method of producing elliptic core type polarization-maintaining optical fiber241US 5,482,525 AHitachi Cable, Ltd. · 1996
- Optical fiber and method for making such fiber230US 7,313,312 B2Corning Incorporated · 2007