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Takamori Nobuyuki: Optical information recording medium. Sharp, March 25, 2004: JP2004-095005 (31 worldwide citation)

PROBLEM TO BE SOLVED: To provide an optical information recording medium capable of simplifying/accelerating data transfer/copy operations between a CD, a DVD and a Blu-ray Disk(BD) and recording and reproducing operations on the BD/DVD/CD by using a single disk drive device.SOLUTION: A first to thi ...


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Takamori Nobuyuki, Tajima Hideharu, Mori Takeshi, Yamamoto Maki: Optical information recording medium, recording method using same, reproducing method, optical information recording device, and optical information reproducing device. Sharp, December 24, 2004: JP2004-362718 (7 worldwide citation)

PROBLEM TO BE SOLVED: To provide an optical information recording medium which ensures accurate and reliable reproduction even if information is recorded in high density, a recording method using the same, a reproducing method, a reproducing device, and a recording device.SOLUTION: The optical infor ...


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Yamamoto Maki, Mori Takeshi, Tajima Hideharu, Takamori Nobuyuki: Optical information recording medium, and optical information recording medium reproducing device. Sharp, April 12, 2007: JP2007-095211 (5 worldwide citation)

PROBLEM TO BE SOLVED: To suppress cost being from increased caused by the enhancement of the recording density of an optical information storage medium using a super resolution reproduction technique to the reproduction light of a blue laser beam and to attain both the enhancement of the recording d ...


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Mori Takeshi, Sakai Toshihiko, Yamamoto Maki, Nakano Ikuo, Tajima Hideharu, Shimo Katsunori, Saegusa Michinobu, Takamori Nobuyuki: Optical information recording medium and optical information processing apparatus. Sharp, January 18, 2007: JP2007-012146 (4 worldwide citation)

PROBLEM TO BE SOLVED: To provide an optical information recording medium having reproduction compatibility capable of being reproduced also by a reproducing apparatus based on a plurality of different specifications and lowering quality difference between recording contents corresponding to respecti ...


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Tajima Hideharu, Takamori Nobuyuki: Optical information recording medium. Sharp, August 30, 2000: EP1031972-A2 (3 worldwide citation)

An optical information recording medium includes a transparent substrate, a thin film layer formed on said transparent substrate and having a recording film, a thin film protecting film formed on said thin film layer, and a substrate protecting film formed on said transparent substrate. A neutral pl ...


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Takamori Nobuyuki, Tajima Hideharu, Mori Go, Yamamoto Masaki: Optical information recording medium, recording and readout methods using the same, optical information recording device, and optical information readout device. Sharp, December 8, 2004: EP1484757-A2 (3 worldwide citation)

An optical information recording medium includes a substrate formed in a concave-convex state by providing pits or grooves corresponding to recorded information, used for optically reproducing the information by irradiation of a light beam, and may also include a recording layer. The optical informa ...


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Mori Takeshi, Yamamoto Maki, Tajima Hideharu, Takamori Nobuyuki: Optical information recording medium, reproducing method using the same, and optical information processing device. Sharp, January 20, 2005: JP2005-018964 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide an optical information recording medium wherein reflectance of a laminated film containing an inorganic super resolution film is made high, an effective spot diameter is effectively reduced, recording density can be further enhanced and which is suitable for multilay ...


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Takamori Nobuyuki, Mori Takeshi, Tajima Hideharu, Yamamoto Maki: Optical information recording medium, recording and reproducing method, and recording and reproducing device. Sharp, October 27, 2005: JP2005-302275 (3 worldwide citation)

PROBLEM TO BE SOLVED: To effectively reduce the effective spot diameter and to achieve further improvement in recording density in an optical information recording medium which obtains medium super-resolution effect by using a super-resolution film.SOLUTION: Information is recorded on the recording ...


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Tajima Hideharu, Takamori Nobuyuki, Mori Takeshi, Yamamoto Maki: Optical information recording medium and its reproducing method. Sharp, December 16, 2004: JP2004-355783 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide an optical information recording medium having a shorter reproducible mark length and high super resolution performance.SOLUTION: The optical information recording medium 31 wherein information is recorded or recorded information is reproduced by irradiation of light ...



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