Featured patents

Information Storage Medium, Reproducing Method, and Recording Method
US 08711668 B2, April 29, 2014, Track data format / layout, Hideo Ando et al. / Kabushiki Kaisha Toshiba (Tokyo, JP)
A non-transitory machine readable information storage medium for storing data…

Method and Apparatus for Determining the Cleanliness of a Lens in an Optical Disc Drive
US 08687472 B1, April 1, 2014, Having abnormal condition indicating, Antonius Leonardus Johannes Dekker / Marvell International Ltd. (Hamilton, BM)
An apparatus comprising:…

Optical Information Processing Method and Optical Information Processing Apparatus
US 08638646 B2, Jan. 28, 2014, Means to compensate for defect or abnormal condition, Tomo Kishigami et al. / Mitsubishi Electric Corporation (Tokyo, JP)
An optical information processing method comprising:…

Data Storage System and Method for Calibrating Same
US 08614935 B2, Dec. 24, 2013, Tape or card, Faramarz Mahnad / Oracle America, Inc. (Redwood City, US)
A data storage system comprising:…

Recording Media With Multiple Bi-Layers of Heatsink Layer and Amorphous Layer for Energy Assisted Magnetic Recording System and Methods for Fabricating the Same
US 08605555 B1, Dec. 10, 2013, Near field optic, B. Ramamurthy Acharya et al. / WD Media, LLC (San Jose, US)
An energy assisted magnetic recording (EAMR) system comprising:…

Thermally-Assisted Magnetic Recording Head Having Heat Conducting Unit and Heat Absorbing Unit and Magnetic Recording and Reproducing Device Having the Same
US 08593916 B2, Nov. 26, 2013, Near field optic, Toshiyuki Ikai et al. / Kabushiki Kaisha Toshiba (Tokyo, JP)
A magnetic recording head which records information on a magnetic recording…

Focus Jump Method for Optical Disk Device and Multi-Layer Disk
US 08570846 B2, Oct. 29, 2013, Initialization / start-up or changing modes of system, Takeyoshi Kataoka / Hitachi Consumer Electronics Co., Ltd. (Tokyo, JP)
An optical disk device for reproducing information from an optical disk and/or…

Thermally-Assisted Recording Head and Magnetic Recording System
US 08547804 B2, Oct. 1, 2013, Light beam transducer assembly, Junichiro Shimizu / Hitachi, Ltd. (Tokyo, JP)
A thermally-assisted magnetic recording head, the magnetic recording head…

Optical Disc and Optical Disc Apparatus
US 08493827 B2, July 23, 2013, For storage, Takakiyo Yasukawa et al. / Hitachi-LG Data Storage, Inc. (Tokyo, JP)
An optical disc recording method for recording data onto an optical disc,…

Decoupling Technique for Optical Disk Drive Optical Pickup Units
US 08462597 B2, June 11, 2013, Servo loop gain / switching control, David A. Hayner et al. / Freescale Semiconductor, Inc. (Austin, US)
A device comprising:…

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