G11B 7/1365
Separate or integrated refractive elements
Official title: Separate or integrated refractive elements, e.g. wave plates
G11B7/1365 (Separate or integrated refractive elements) appears on 1,104 US grants and 958 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,104
- Published applications
- 958
- Assignees
- 201
- Inventors
- 1,417
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 11 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 17 | 0 |
| 1993 | 14 | 0 |
| 1994 | 8 | 0 |
| 1995 | 17 | 0 |
| 1996 | 25 | 0 |
| 1997 | 38 | 0 |
| 1998 | 49 | 0 |
| 1999 | 49 | 0 |
| 2000 | 63 | 0 |
| 2001 | 42 | 37 |
| 2002 | 51 | 68 |
| 2003 | 51 | 79 |
| 2004 | 41 | 84 |
| 2005 | 50 | 123 |
| 2006 | 72 | 112 |
| 2007 | 75 | 101 |
| 2008 | 67 | 114 |
| 2009 | 55 | 79 |
| 2010 | 86 | 57 |
| 2011 | 65 | 31 |
| 2012 | 50 | 27 |
| 2013 | 31 | 17 |
| 2014 | 16 | 10 |
| 2015 | 8 | 4 |
| 2016 | 8 | 6 |
| 2017 | 6 | 3 |
| 2018 | 4 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Information verification method and related device9 Dec 2025US 12,494,226 B1Huawei Technologies Co., Ltd.
- Method and system for forming birefringent voxels31 Dec 2024US 12,183,378 B2Microsoft Technology Licensing, LLC
- Optical memory, optical diffraction element, and recording method12 Nov 2024US 12,142,307 B2Fujikura Ltd.
- Tunable and reconfigurable atomically thin heterostructures5 Apr 2022US 11,293,116 B2Northeastern University
- Optical information processing device29 Dec 2020US 10,878,847 B2Panasonic Intellectual Property Management Co., Ltd.
- Method and system for forming birefringent voxels3 Oct 2024US 2024/0331732 A1Microsoft Technology Licensing, LLC
- Optical memory, optical diffraction element, and recording method1 Feb 2024US 2024/0038264 A1Fujikura Ltd.
- Optical information processing device7 Nov 2019US 2019/0341072 A1Panasonic Intellectual Property Management Co., Ltd.
- Tunable and reconfigurable atomically thin heterostructures11 Jul 2019US 2019/0211474 A1Northeastern University
- Optical pickup20 Sep 2018US 2018/0268856 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Optical element and optical pickup device comprising it169US 5,085,496 ASharp Kabushiki Kaisha · 1992
- Flying magneto-optical head with a steerable mirror153US 6,058,094 ASeagate Technology LLC · 2000
- Data storage system having an optical processing flying head147US 6,781,927 B1Seagate Technology LLC · 2004
- Offset optics for use with optical heads146US 6,178,150 B1Seagate Technology LLC · 2001
- Compound objective lens having two focal points144US 5,446,565 AMatsushita Electric Industrial Co., Ltd. · 1995