1
Suzuki Toshinori: Sub carrier assignment method for wireless communication system. Kddi, August 31, 2001: JP2001-238269 (161 worldwide citation)

PROBLEM TO BE SOLVED: To provide a subcarrier assignment method for a wireless communication system by which a subcarrier providing a deteriorated reception state causing degradation in the transmission efficiency to a concerned wireless station cannot be assigned thereto.SOLUTION: The method of thi ...


2
Ri Keisan, Ozeki Takeo, Ishikawa Hiroyasu, Shinonaga Hideyuki: Transmission apparatus, system, and method using ofdm and mc-cdma. Kddi, June 3, 2004: JP2004-158901 (64 worldwide citation)

PROBLEM TO BE SOLVED: To provide a transmission apparatus, system, and method with respect to mobile communication, the apparatus and the system composing cells, to solve respective defects in the OFDM and the MC-CDMA.SOLUTION: The transmission apparatus includes: an OFDM transmission means; and an ...


3
Ravichander Vaidyanathan, Abhrajit Ghosh, Aditya Naidu, Akira Yamada, Ayumu Kubota, Yukiko Sawaya, Yutaka Miyake: Method, apparatus and program for detecting spoofed network traffic. Telcordia Technologies, KDDI Corporation, December 30, 2014: US08925079 (53 worldwide citation)

A method, an apparatus and a program for detecting spoofed Internet Protocol (IP) traffic directed to a network having a plurality of autonomous systems (AS) is provided. The method comprises receiving an incoming packet through an AS, the incoming packet containing a source IP address and a destina ...


4
Meido Emi, Sakasawa Shigeyuki, Takishima Yasuhiro: Method and device for embedding bar code in color image, and computer program. Kddi, February 14, 2008: JP2008-033625 (47 worldwide citation)

PROBLEM TO BE SOLVED: To embed a bar code in a color image inconspicuously in a large visual distance while separating the bar code appropriately in a small visual distance and to make it readable by a general-purpose bar code reader.SOLUTION: A bar code embedding part in the color image is obtained ...


5
Emi Myodo, Shigeyuki Sakazawa, Yasuhiro Takishima: Method, apparatus and computer program for embedding barcode in color image. KDDI Corporation, Westerman Hattori Daniels & Adrian, October 8, 2013: US08550366 (46 worldwide citation)

A barcode-embedding area is obtained in a color image based on expression possibility by the juxtaposed additive color mixture and possibility of reading of pixels separately by a barcode reader (S11), a color image in the barcode-embedding area is expressed by the juxtaposed additive color mixture, ...


6
Miyazaki Noriaki, Suzuki Toshinori: Transmitter and receiver. Kddi, September 9, 2004: JP2004-253899 (39 worldwide citation)

PROBLEM TO BE SOLVED: To provide a transmitter and a receiver for coping with diversified transmission conditions that are requirements whereby satisfactory communication quality can be obtained under various communication environments.SOLUTION: The receiver side informs the transmitter side about a ...


7
Takemori Keisuke, Oda Toshichika: Game system and its game server and game terminal unit. Kddi, December 11, 2001: JP2001-340656 (38 worldwide citation)

PROBLEM TO BE SOLVED: To provide a game system wherein a play feeling with a high reality can be obtained, which does not quickly become hackneyed, and of which the life is long, its game server and a game terminal unit.SOLUTION: This game terminal unit G is connected to this game server 1 which per ...


8
Kimura Junichi, Yokoyama Toru, Suzuki Norihiro, Wada Masahiro, Takishima Yasuhiro, Sakasawa Shigeyuki, Miyaji Satoshi: Media conversion method and media conversion device. Hitachi, Kddi, April 18, 2003: JP2003-114845 (37 worldwide citation)

PROBLEM TO BE SOLVED: To solve the problem in a conventional image format that it cannot be directly applied when regenerating contents from the middle or in a stream encoded at real time.SOLUTION: In this method and device, the moof 23 part of an original stream 53 is converted to moov 71 in the co ...


9
Hiromasa Yanagihara, Akio Yoneyama, Yasuyuki Nakajima: Video information transmission system, and apparatus and program used for video information transmission system. KDDI Corporation, Westerman Hattori Daniels & Adrian, March 11, 2008: US07342880 (33 worldwide citation)

This invention provides a video information transmission apparatus for efficiently transmitting a digital video such as MPEG video at real time while controlling congestion on a QoS non-guaranteed IP network and suppressing degradation of a video quality. A transmission control section 13 on a sende ...


10
Endo Toshiki, Naito Masaki, Kawai Hisashi: Device for editing speech recognition result, speech recognition device and computer program. Kddi, May 7, 2009: JP2009-098490 (33 worldwide citation)

PROBLEM TO BE SOLVED: To attain simplification of a user's work and adaptation to a display device with a relatively small screen size when candidate words are displayed on the screen from the speech recognition result of input speech and the user edits the candidate words displayed on the screen.SO ...



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