G11B 7/1395
Beam splitters or combiners
Official title: Beam splitters or combiners (G11B7/1353, G11B7/1356 take precedence {; beam splitting or combining per se G02B27/10})
G11B7/1395 (Beam splitters or combiners) appears on 197 US grants and 204 published applications in this corpus.
Search patents in G11B- Granted patents
- 197
- Published applications
- 204
- Assignees
- 102
- Inventors
- 493
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 4 |
| 2002 | 3 | 9 |
| 2003 | 6 | 12 |
| 2004 | 5 | 13 |
| 2005 | 5 | 16 |
| 2006 | 12 | 17 |
| 2007 | 13 | 13 |
| 2008 | 7 | 26 |
| 2009 | 11 | 19 |
| 2010 | 11 | 12 |
| 2011 | 16 | 6 |
| 2012 | 12 | 12 |
| 2013 | 8 | 8 |
| 2014 | 3 | 3 |
| 2015 | 4 | 5 |
| 2016 | 7 | 4 |
| 2017 | 5 | 5 |
| 2018 | 3 | 2 |
| 2019 | 5 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 7 |
| 2022 | 7 | 3 |
| 2023 | 3 | 4 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Achromatic holographic phase masks2 Sep 2025US 12,405,482 B2Ipg Photonics Corporation
- Differential phase voxel symbol determination2 Sep 2025US 12,406,695 B1Microsoft Technology Licensing, LLC
- Data reading and writing apparatuses and data reading and writing methods24 Sep 2024US 12,100,435 B2Huawei Technologies Co., Ltd.
- Detection apparatus, optical drive, and detection method30 Jan 2024US 11,887,624 B2Huawei Technologies Co., Ltd.
- Data carrier, reading method and system utilizing super resolution techniques24 Oct 2023US 11,797,801 B2Ceramic Data Solutions GmbH
- Compact Writing and Reading Head for Hyper Speed Data Recording on Ceramic Material28 May 2026US 2026/0148751 A1Ceramic Data Solutions GmbH
- Achromatic holographic phase marks18 Dec 2025US 2025/0383554 A1Ipg Photonics Corporation
- Data Carrier, Reading Method and System Utilizing Super Resolution Techniques6 Jul 2023US 2023/0214617 A1Ceramic Data Solutions GmbH
- Data reading and writing apparatuses and data reading and writing methods30 Mar 2023US 2023/0097007 A1Huawei Technologies Co., Ltd.
- Achromatic holographic phase masks2 Mar 2023US 2023/0062015 A1Ipg Photonics Corporation
Most cited
By later US patents
- Method of and apparatus for optically writing, reading and erasing a multi-plane record carrier, and record carrier suitable for said method and apparatus61US 5,408,453 AU. S. Philips Corporation · 1995
- Apparatus and method for recording and/or playing back optical information and media for it apparatus and method for recording and/or playing back optical information and media for them54US 5,917,798 ASony Corporation · 1999
- Optical beamsplitter51US 5,568,315 ADiscovision Associates · 1996
- Methods and apparatus for performing cross-talk correction in a multi-track optical disk reader based on magnification error50US 5,959,953 AZen Research N. V. · 1999
- Super-resolution scanning optical system by incoherently superimposing two beams47US 5,625,613 AMatsushita Electric Industrial Co., Ltd. · 1997