G02B 6/3528
The optical element being a prism
Official title: {the optical element being a prism}
G02B6/3528 (The optical element being a prism) appears on 123 US grants and 98 published applications in this corpus.
Search patents in G02B- Granted patents
- 123
- Published applications
- 98
- Assignees
- 95
- Inventors
- 252
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 3 |
| 2002 | 12 | 10 |
| 2003 | 17 | 32 |
| 2004 | 14 | 11 |
| 2005 | 10 | 4 |
| 2006 | 5 | 5 |
| 2007 | 7 | 3 |
| 2008 | 0 | 1 |
| 2009 | 3 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 5 |
| 2013 | 0 | 2 |
| 2014 | 3 | 3 |
| 2015 | 5 | 1 |
| 2016 | 4 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 3 |
| 2024 | 1 | 5 |
| 2025 | 2 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotating beam switch21 Jul 2026US 12,687,678 B2nLIGHT, Inc.
- Optical switch module and optical by-pass apparatus13 Jan 2026US 12,523,820 B2Formerica Optoelectronics, Inc.
- Optical fiber bundle and optical switch13 Jan 2026US 12,523,823 B2Sumitomo Electric Industries, Ltd.
- Periscope optical assembly with inserted components11 Nov 2025US 12,468,088 B2Cisco Technology, Inc.
- Laser processing device and laser processing method using same1 Apr 2025US 12,263,540 B2Panasonic Intellectual Property Management Co., Ltd.
- Rotating Beam Switch8 Oct 2026US 2026/0309924 A1nLIGHT, Inc.
- Wavelength selective switch with multiple deflector arrays7 May 2026US 2026/0126591 A1O-Net Technologies (Canada) Inc.
- Periscope optical assembly with inserted components4 Dec 2025US 2025/0370188 A1Cisco Technology, Inc.
- Rotating Beam Switch18 Jul 2024US 2024/0241321 A1nLIGHT, Inc.
- Optical fiber bundle and optical switch11 Jul 2024US 2024/0231006 A9Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Radiation switching arrangement with moving deflecting element59US 4,932,745 AAT&T Bell Laboratories · 1990
- Fiber optic switching device and method using free space scanning58US 5,621,829 ALucent Technologies Inc. · 1997
- Optical sliprings57US 4,109,998 AThe United States of America as represented by the Secretary of the Navy · 1978
- Mechanical optical switching devices56US 4,322,126 ANippon Electric Co., Ltd. · 1982
- Optical fiber connector bypass device and method using same45US 5,440,655 AAT&T Corp. · 1995