G02B 6/02038
With core or cladding having graded refractive index
Official title: {with core or cladding having graded refractive index}
G02B6/02038 (With core or cladding having graded refractive index) appears on 145 US grants and 139 published applications in this corpus.
Search patents in G02B- Granted patents
- 145
- Published applications
- 139
- Assignees
- 94
- Inventors
- 377
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 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 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 2 |
| 2002 | 3 | 4 |
| 2003 | 7 | 8 |
| 2004 | 8 | 13 |
| 2005 | 4 | 16 |
| 2006 | 4 | 4 |
| 2007 | 2 | 6 |
| 2008 | 8 | 6 |
| 2009 | 2 | 4 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 4 |
| 2014 | 4 | 3 |
| 2015 | 4 | 4 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 6 | 3 |
| 2019 | 5 | 7 |
| 2020 | 5 | 12 |
| 2021 | 5 | 6 |
| 2022 | 6 | 4 |
| 2023 | 3 | 12 |
| 2024 | 7 | 9 |
| 2025 | 3 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Relaxed tolerance adiabatic coupler for optical interconnects21 Apr 2026US 12,607,802 B2Arizona Board of Regents on Behalf of the University of Arizona
- Active optical vortex fiber23 Sep 2025US 12,422,614 B2Ampliconyx Oy
- Integrally molded multi-optical transmission sheet, integrally molded multi-optical transmission sheet connector and method for manufacturing the same19 Aug 2025US 12,392,957 B2
- Optical fiber and method for preparing optical fiber7 May 2026US 2026/0126581 A1Beijing University of Chemical Technology
- Waveguide, glass compositions, and methods of making the same13 Nov 2025US 2025/0347843 A1Corning Incorporated
- Plastic optical fiber10 Jul 2025US 2025/0224553 A1Nitto Denko Corporation
- Relaxed tolerance adiabatic coupler for optical interconnects28 Nov 2024US 2024/0393532 A1Arizona Board of Regents on Behalf of the University of Arizona
- Light receiving module, device, and method31 Oct 2024US 2024/0361516 A1
Most cited
By later US patents
- Optical transmission device77US 6,094,517 ASumitomo Wiring Systems, Ltd. · 2000
- Method of manufacturing a transparent light conducting element of synthetic resin having refractive index gradient56US 3,955,015 ANippon Selfoc Co., Ltd. · 1976
- Narrow band filter and method of making same43US 5,612,824 AJDS Fitel Inc. · 1997
- Graded polymer optical fibers and process for the manufacture thereof40US 5,235,660 APeachtree Fiberoptics, Inc. · 1993
- Plastic optical fiber38US 6,750,294 B2Asahi Glass Company, Limited · 2004