Assignee
AMETHYSTUM STORAGE TECH CO LTD
CN·10 granted patents·6 pending applications·1 citations·filing 2015–2022
Top patents by PatentIndex Score
16 records- 0171US11152028B2Multiplexing method for increasing storage capacity in disc-type holographic storage mediumAMETHYSTUM STORAGE TECH CO LTD·Filed 2020·Granted Oct 19, 2021·1 cites·17 claims
- 0264US11322178B2Reflective holographic optical storage method and deviceAMETHYSTUM STORAGE TECH CO LTD·Filed 2021·Granted May 3, 2022·0 cites·13 claims
- 0354US2022404767A1Transmission-type holographic optical storage medium and device, and method for recording and reading on two sides of storage mediumAMETHYSTUM STORAGE TECH CO LTD·Filed 2022·Application pending·0 cites
- 0453US11348614B2Holographic storage method and device based on angle-shift multiplexingAMETHYSTUM STORAGE TECH CO LTD·Filed 2021·Granted May 31, 2022·0 cites·16 claims
- 0553US11232814B2High-speed parallel reproducing holographic disk reading method and deviceAMETHYSTUM STORAGE TECH CO LTD·Filed 2021·Granted Jan 25, 2022·0 cites·20 claims
- 0651US11302359B2Holographic storage device and method for simultaneously recording and reading on two sidesAMETHYSTUM STORAGE TECH CO LTD·Filed 2020·Granted Apr 12, 2022·0 cites·18 claims
- 0750US11302358B2Holographic data storage device with single-arm structureAMETHYSTUM STORAGE TECH CO LTD·Filed 2020·Granted Apr 12, 2022·0 cites·20 claims
- 0849US11335370B2Positioning method and device for hologram in card-type holographic storage mediumAMETHYSTUM STORAGE TECH CO LTD·Filed 2021·Granted May 17, 2022·0 cites·17 claims
- 0948US11308988B2Holographic multiplexed recording method for increasing storage capacityAMETHYSTUM STORAGE TECH CO LTD·Filed 2020·Granted Apr 19, 2022·0 cites·16 claims
- 1041US2022404766A1Holographic storage optical system and beam calibrating method thereofAMETHYSTUM STORAGE TECH CO LTD·Filed 2022·Application pending·0 cites
- 1141US2023051058A1Optical track format for holographic storage optical disc and encoding method thereofAMETHYSTUM STORAGE TECH CO LTD·Filed 2022·Application pending·0 cites
- 1241US2023047873A1Optical system for holographic storage and design method for fresnel lens and meta lens thereofAMETHYSTUM STORAGE TECH CO LTD·Filed 2022·Application pending·0 cites
- 1340US11341996B2Positioning method and device for hologram in disk-type holographic storageAMETHYSTUM STORAGE TECH CO LTD·Filed 2021·Granted May 24, 2022·0 cites·10 claims
- 1440US2022343947A1Multi-channel multiplexing method and device for disc storage mediumAMETHYSTUM STORAGE TECH CO LTD·Filed 2022·Application pending·0 cites
- 1535US2021225398A1Method and device for accurately detecting and controlling position of optical head and optical diskAMETHYSTUM STORAGE TECH CO LTD·Filed 2020·Application pending·0 cites
- 1629US9812162B2Opening and closing device of rotating cage type jukebox disc trayAMETHYSTUM STORAGE TECH CO LTD·Filed 2015·Granted Nov 7, 2017·0 cites·10 claims
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