Patents by Inventor Takehiro Otsuki

Takehiro Otsuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7764300
    Abstract: In an optical disk manufacturable by a conventional recording medium manufacturing method and that is capable of performing recording with an information recording apparatus used to perform recording on conventional recording mediums, and a data recording apparatus for recording contents data, an optical disk has a structure in which a first substrate and a second substrate are bonded together, the first substrate is provided with a recording layer in which contents data is recorded, and the second substrate is provided with a visual information recording layer in which information enabling visual recognition of, for example, the contents of contents data or a title of the contents data is recorded as visual information.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: July 27, 2010
    Assignee: Pioneer Corporation
    Inventors: Ryuichiro Yoshimura, Hidenori Nakagawa, Takayuki Yamamoto, Takashi Nakai, Yuichi Mizuuchi, Kazumasa Nakamura, Shinzo Kawakami, Takehiro Otsuki, Takashi Nakamura, Akio Fukushima, Hiroki Yamaguchi, Naoki Yamada, Tomonori Nakada, Kenichi Oono, Kouji Harimoto, Eiji Konosu, Hajime Ishizuka, Tak Kai