G02B 6/421
The intermediate optical component consisting of a short length of fibre
Official title: {the intermediate optical component consisting of a short length of fibre, e.g. fibre stub}
G02B6/421 (The intermediate optical component consisting of a short length of fibre) appears on 861 US grants and 768 published applications in this corpus.
Search patents in G02B- Granted patents
- 861
- Published applications
- 768
- Assignees
- 375
- Inventors
- 1,879
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 14 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 16 | 0 |
| 1998 | 20 | 0 |
| 1999 | 16 | 0 |
| 2000 | 15 | 0 |
| 2001 | 30 | 12 |
| 2002 | 33 | 50 |
| 2003 | 29 | 39 |
| 2004 | 35 | 43 |
| 2005 | 29 | 37 |
| 2006 | 22 | 29 |
| 2007 | 35 | 24 |
| 2008 | 24 | 15 |
| 2009 | 17 | 19 |
| 2010 | 14 | 14 |
| 2011 | 9 | 22 |
| 2012 | 5 | 25 |
| 2013 | 22 | 22 |
| 2014 | 22 | 19 |
| 2015 | 21 | 25 |
| 2016 | 25 | 28 |
| 2017 | 38 | 37 |
| 2018 | 23 | 45 |
| 2019 | 43 | 38 |
| 2020 | 39 | 46 |
| 2021 | 31 | 37 |
| 2022 | 28 | 39 |
| 2023 | 30 | 31 |
| 2024 | 30 | 20 |
| 2025 | 19 | 33 |
| 2026 | 6 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Optical device3 Mar 2026US 12,566,303 B2Sumitomo Electric Industries, Ltd.
- Laser source transmission system and manufacturing method of the same17 Sep 2026US 2026/0280715 A1AuthenX Inc.
- Optical module20 Aug 2026US 2026/0243972 A1Hisense Broadband Multimedia Technologies Co., Ltd.
- Optical device, light source module and manufacturing method thereof, optical engine, and xr glasses20 Aug 2026US 2026/0243973 A1TDK Corporation
- Optical coupling lens module and optical fiber connector30 Jul 2026US 2026/0219460 A1Connpro Industries Inc.
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Most cited
By later US patents
- Electro-optical coupler for catheter oximeter215US 4,684,245 AOximetrix, Inc. · 1987
- Optical transmission terminal device160US 5,960,141 AFujitsu Limited · 1999
- Card-shaped optical data link device139US 5,561,727 ASumitomo Electric Industries, Ltd. · 1996
- Fiber stub for cladding mode coupling reduction133US 7,267,494 B2Finisar Corporation · 2007
- Housing structure for coupling and releasing optical modules132US 5,548,677 ASumitomo Electric Industries, Ltd. · 1996