1
Masaya Yamamoto, Tomoyuki Nonomura, Masataka Minami, Masayuki Kozuka: Data processing apparatus and data recording media. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, March 4, 2003: US06529506 (134 worldwide citation)

A data processing apparatus is provided with a data obtaining unit which receives a network signal sn on a network N and obtains distributed audio data Dau in which copyright information or the like is embedded, and a control unit which obtains information indicating a watermarking method which has ...


2
Kenichi Osada, Masataka Minami, Shuji Ikeda, Koichiro Ishibashi: SRAM cells with two P-well structure. Hitachi, Antonelli Terry Stout & Kraus, January 13, 2004: US06677649 (128 worldwide citation)

Prior known static random access memory (SRAM) cells are required that a diffusion layer be bent into a key-like shape in order to make electrical contact with a substrate with a P-type well region formed therein, which would result in a decrease in asymmetry leading to occurrence of a problem as to ...


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Shunji Harada, Masayuki Kozuka, Masataka Minami, Makoto Tatebayashi: Production protection system dealing with contents that are digital production. Matsushita Electric Industrial, February 3, 2004: US06687683 (112 worldwide citation)

A data protection system obtains data having a first content on which a first encryption has been performed and a second content on which a second encryption has been performed, the second encryption more difficult to break than the first encryption. A first content decryption unit decrypts the firs ...


5
Atsuo Watanabe, Yoshiaki Yazawa, Atsushi Hiraishi, Masataka Minami, Takahiro Nagano, Takahide Ikeda, Naohiro Momma: Semiconductor device having semiconductor elements formed in a retrograde well structure. Hitachi, Antonelli Terry Stout & Kraus, March 10, 1998: US05726488 (107 worldwide citation)

A semiconductor device has a well region formed in the surface of a substrate, and has functional portions such as MOSFET and bipolar transistor formed in the well region. The carrier concentration profile of the well region assumes the shape of a valley in the direction of depth thereof, and a mini ...


6
Kenji Tagawa, Masataka Minami, Masayuki Kozuka: Recording medium, recording apparatus and reproduction apparatus with reproduction path flag information. Matsushita Electric Industrial, Renner Otto Boisselle & Sklar, February 26, 2002: US06351442 (66 worldwide citation)

The recording medium of this invention is recorded with a plurality of digital data and a plurality of reproduction path information defining a reproduction order of the plurality of digital data, wherein the plurality of reproduction path information includes first reproduction path information def ...


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Masataka Minami, Shoji Shukuri, Mitsuru Hirao, Toshiaki Yamanaka: Semiconductor memory device having memory cells including IG FETs in a symmetrical arrangement. Hitachi, Antonelli Terry Stout & Kraus, December 10, 1991: US05072286 (59 worldwide citation)

A semiconductor memory device has memory cells each including first and second inverters cross-coupled to each other through first and second interconnecting conductors for forming a bistable circuit and first and second transfer gates connected between the first inverter and address signal conducto ...


8
Ryuichi Okamoto, Masayuki Kozuka, Masataka Minami, Mitsuhiro Inoue: Digital data distribution system. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, May 4, 2004: US06732106 (35 worldwide citation)

The distribution server administers downloading of contents and writing in storage media. The distribution server includes the obtained rights administration database that stores information regarding rights to receive distribution of contents, and the history database that stores information regard ...


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Kenji Tagawa, Masataka Minami, Masayuki Kozuka: Digital data recording apparatus, digital data recording method, and computer-readable recording medium. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, May 27, 2008: US07380139 (34 worldwide citation)

A data communication unit receives encrypted digital data via a network and records the digital data on a primary recording medium. The digital data, having been encrypted in different encryption methods according to the distributers, include attribute information indicating the encryption methods. ...


10
Kenji Tagawa, Masataka Minami, Masayuki Kozuka: Digital data recording apparatus, digital data recording method, and computer-readable recording medium. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, December 21, 2004: US06834348 (34 worldwide citation)

A data transmit/receive unit receives encrypted digital data distributed through an electronic music distribution system and records the digital data on a primary recording medium. Digital data have been encrypted in different encryption systems according to the distributers, and include attribute i ...