Featured patents

Information Storage Medium, Reproducing Method, and Recording Method
US 08717860 B2, May 6, 2014, Track data format / layout, Koji Takazawa et al. / Kabushiki Kaisha Toshiba (Minato-ku, JP)
A non-transitory machine readable information storage medium for storing data…

Method and Apparatus for Offset and Gain Correction
US 08687471 B2, April 1, 2014, For phase, timing, or rate processing, Mats Oberg et al. / Marvell World Trade Ltd. (St. Michael, BB)
A signal processing circuit, comprising:…

Information Storage Medium, Reproducing Method, and Recording Method
US 08665686 B2, March 4, 2014, Track data format / layout, Seiji Morita et al. / Kabushiki Kaisha Toshiba (Tokyo, JP)
A non-transitory machine readable information storage medium for storing data…

Blu-Ray Optical Pick-Up Devices and Methods
US 08659983 B2, Feb. 25, 2014, Having specific code or form generation or regeneration processing, Antonius Leonardus Johannes Dekker et al. / Marvell World Trade Ltd. (St. Michael, BB)
A device for reading multi-layered optical discs, comprising:…

Thermally-Assisted Magnetic Recording Head With Optically Isolating Waveguide, Head Gimbal Assembly, Head Arm Assembly, Magnetic Disk Unit, and Light Transmission Unit
US 08654617 B2, Feb. 18, 2014, Near field optic, Eiji Komura et al. / TDK Corporation (Tokyo, JP)
A thermally-assisted magnetic recording head, comprising:…

Optical Pickup
US 08605557 B2, Dec. 10, 2013, Optical head servo system structure, Katsuhiko Kimura et al. / Hitachi Media Electronics Co., Ltd. (Iwate, JP)
An optical pickup for an optical disk drive, comprising:…

Elastic Member, Mounting Structure of Optical Element, and Pickup Apparatus Having the Same
US 08488422 B2, July 16, 2013, Elastic, flexible, pliant or spring support of lens or mirror, Nobuyuki Nakasawa et al. / Sanyo Electric Co., Ltd. JP
A mounting structure of an optical element, comprising:…

Thermally-Assisted Magnetic Recording Head Having a Waveguide and a Return Path Section
US 08498183 B1, July 30, 2013, Near field optic, Ryuji Fujii et al. / Headway Technologies, Inc. (Milpitas, US)
A thermally-assisted magnetic recording head comprising:…

Recording Head With Near Field Transducer Having Non-Rectangular Pin Cross Section
US 08472288 B1, June 25, 2013, Near field optic, Christopher B. Wolf et al. / Western Digital (Fremont), LLC (Fremont, US
An energy assisted magnetic recording (EAMR) head for writing to a recording…

Thermally-Assisted Magnetic Recording Head Capable of Preventing Propagated Light Being Absorbed by Magnetic Pole
US 08462594 B1, June 11, 2013, Near field optic, Kei Hirata et al. / TDK Corporation (Tokyo, JP)
A thermally-assisted magnetic recording head comprising:…

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