G11B 7/08552
Using electro-optical elements
Official title: {using electro-optical elements}
G11B7/08552 (Using electro-optical elements) appears on 4 US grants and 5 published applications in this corpus.
Search patents in G11B- Granted patents
- 4
- Published applications
- 5
- Assignees
- 4
- Inventors
- 16
- Latest grant
- 18 Jan 2022
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| Year | Granted patents | Published applications |
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| 1989 | 1 | 0 |
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| 1992 | 1 | 0 |
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| 2004 | 0 | 1 |
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| 2007 | 0 | 1 |
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| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
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| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Radial servo device for super-resolution optical disc and servo control method therefor18 Jan 2022US 11,227,632 B2Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Electronically translocatable optical stylet31 Jul 2001US 6,269,066 B1
- Light source unit capable of changing size of light beam spot and optical scanning image recording apparatus using the same29 Dec 1992US 5,175,642 ARicoh Company, Ltd.
- Optical information processor and method for accessing rotating record carrier utilizing acousto-optic light deflector including holding a focus error signal during track jumping31 Jan 1989US 4,802,153 AHitachi, Ltd.
- Compact Writing and Reading Head for Hyper Speed Data Recording on Ceramic Material28 May 2026US 2026/0148751 A1Ceramic Data Solutions GmbH
- Radial servo device for super-resolution optical disc and servo control method therefor20 May 2021US 2021/0151079 A1Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Micro-optical pickup2 Jul 2009US 2009/0168625 A1
- Holographic scanning device24 May 2007US 2007/0115789 A1
- Beam shaping device, an optical head, and a master disk recording apparatus14 Oct 2004US 2004/0202086 A1
Most cited
By later US patents
- Light source unit capable of changing size of light beam spot and optical scanning image recording apparatus using the same15US 5,175,642 ARicoh Company, Ltd. · 1992
- Optical information processor and method for accessing rotating record carrier utilizing acousto-optic light deflector including holding a focus error signal during track jumping6US 4,802,153 AHitachi, Ltd. · 1989
- Electronically translocatable optical stylet6US 6,269,066 B12001