1
Kenji Tagawa, Takashi Hiraoka: Mobile phone with music reproduction function, music data reproduction method by mobile phone with music reproduction function, and the program thereof. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, September 20, 2005: US06947728 (162 worldwide citation)

A mobile phone with music reproduction function has a reproduction unit that reproduces music data and a ring tone which are recorded in a music data recording medium, and a communication unit 108 that detects an incoming call from outside. The mobile phone 100 has a control unit that instructs the ...


2
Kenji Tagawa, Mitsuhiro Inoue, Shunji Harada, Masayuki Kozuka, Shoichi Aoyama, Yukako Ohtani, Noboru Hirata: Contents copying system, copying method, computer-readable recording medium and disc drive copying contents but not a cipher key via a host computer. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, September 2, 2003: US06615192 (92 worldwide citation)

A content copying system is formed from a host computer and connected disc drive, a removable recording medium being loaded into the latter. When the removable recording medium loaded into the disc drive is DVD-Audio, the disc drive reads a title, recorded on the recording medium and outputs it to t ...


3
Teruto Hirota, Kenji Tagawa, Hideki Matsushima, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka: Semiconductor memory card, playback apparatus, recording apparatus, playback method, recording method, and computer-readable recording medium. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, March 8, 2005: US06865431 (81 worldwide citation)

An audio stream is divided into a plurality of audio object (AOB) files that are recorded having each been encrypted using a different encryption key. At least one piece of track management information (TKI) is provided corresponding to each track. Playlist information (PLI) assigns a playback posit ...


4
Tomoyuki Nonomura, Mitsuhiro Inoue, Yasushi Uesaka, Kenji Tagawa, Masayuki Kozuka: System stream reproduction control information editing apparatus and a recording medium on which the method used therein is recorded. Matsushita Electric Industrial, Price Gess & Ubell, September 12, 2000: US06118445 (71 worldwide citation)

The display unit displays an "Author" window and other windows that form a CUI according to control by the display control unit. The input operation unit receives inputs from the editor who views the "Author" and other windows. The window information storage unit stores the attributes of windows dis ...


5
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 ...


6
Kenji Tagawa, Hideki Matsushima, Teruto Hirota, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka: Audio playback apparatus and method for resuming interrupted playback recording. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, December 14, 2004: US06832293 (55 worldwide citation)

A semiconductor memory card stores a plurality of audio objects (AOBs) that compose a plurality of tracks and playlist information showing a reproduction order for the tracks. The semiconductor memory card also stores, as resume information (PLMG_RSM_PL), (1) a Playlist_Number showing which playlist ...


7
Yasuhiko Yamane, Takumi Hasebe, Kazuhiko Nakamura, Hideki Fukuda, Tomoyuki Okada, Yoshiichiro Kashiwagi, Yoshihiro Mori, Kenji Tagawa: Multimedia stream generating method enabling alternative reproduction of video data, and a multimedia optical disk authoring system. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, May 21, 2002: US06393196 (54 worldwide citation)

An authoring system variously processes a bitstream carrying information about moving picture data, audio data, and subpicture data constituting titles having a sequence of related content, generates a bitstream constituting a title with content corresponding to a user selection, efficiently records ...


8
Kazuo Yamane, Michikazu Shima, Yumiko Kawasaki, Kenji Tagawa, Shinya Inagaki, Norifumi Shukunami: Wavelength-division-multiplexing optical amplifier. Fujitsu, Helfgott & Karas P C, June 9, 1998: US05764404 (53 worldwide citation)

An optical amplifier amplifies a wavelength division-multiplexed optical input signal composed of optical signals having different wavelengths such that the output level of each of the optical signal is always optimized and such that the difference between the gains of the amplifier on the optical s ...


9
Kenji Tagawa, Hideki Matsushima, Teruto Hirota, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka: Semiconductor memory card, apparatus for recording data onto the semiconductor memory card, and apparatus for reproducing data of the semiconductor memory card. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, October 21, 2003: US06636773 (48 worldwide citation)

A semiconductor memory card for storing audio information with corresponding text information and type information, the type information indicating a type of the text information. The type is classified into at least (a), (b), and (c) in which the text information respectively includes a 1-byte char ...


10
Kenji Tagawa, Hideki Matsushima, Teruto Hirota, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka: Semiconductor memory card. Matsushita Electrical Industrial, Wenderoth Lind & Ponack L, November 11, 2003: US06647496 (43 worldwide citation)

A plurality of audio object (AOB) files and a plurality of picture object (POB) files are stored. Default Playlist Information and sets of Playlist Information each show an order in which AOBs stored in the plurality of AOB files are to be reproduced. The DPLGI includes DPLI_POB_SRPs that specify at ...